Difference between revisions of "Team:BNU-CHINA/js/jquery.min.js"
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Latest revision as of 07:22, 11 September 2015
/*!
* jQuery JavaScript Library v1.11.1 * http://jquery.com/ * * Includes Sizzle.js * http://sizzlejs.com/ * * Copyright 2005, 2014 jQuery Foundation, Inc. and other contributors * Released under the MIT license * http://jquery.org/license * * Date: 2014-05-01T17:42Z */
(function( global, factory ) {
if ( typeof module === "object" && typeof module.exports === "object" ) { // For CommonJS and CommonJS-like environments where a proper window is present, // execute the factory and get jQuery // For environments that do not inherently posses a window with a document // (such as Node.js), expose a jQuery-making factory as module.exports // This accentuates the need for the creation of a real window // e.g. var jQuery = require("jquery")(window); // See ticket #14549 for more info module.exports = global.document ? factory( global, true ) : function( w ) { if ( !w.document ) { throw new Error( "jQuery requires a window with a document" ); } return factory( w ); }; } else { factory( global ); }
// Pass this if window is not defined yet }(typeof window !== "undefined" ? window : this, function( window, noGlobal ) {
// Can't do this because several apps including ASP.NET trace // the stack via arguments.caller.callee and Firefox dies if // you try to trace through "use strict" call chains. (#13335) // Support: Firefox 18+ //
var deletedIds = [];
var slice = deletedIds.slice;
var concat = deletedIds.concat;
var push = deletedIds.push;
var indexOf = deletedIds.indexOf;
var class2type = {};
var toString = class2type.toString;
var hasOwn = class2type.hasOwnProperty;
var support = {};
var version = "1.11.1",
// Define a local copy of jQuery jQuery = function( selector, context ) { // The jQuery object is actually just the init constructor 'enhanced' // Need init if jQuery is called (just allow error to be thrown if not included) return new jQuery.fn.init( selector, context ); },
// Support: Android<4.1, IE<9 // Make sure we trim BOM and NBSP rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,
// Matches dashed string for camelizing rmsPrefix = /^-ms-/, rdashAlpha = /-([\da-z])/gi,
// Used by jQuery.camelCase as callback to replace() fcamelCase = function( all, letter ) { return letter.toUpperCase(); };
jQuery.fn = jQuery.prototype = { // The current version of jQuery being used jquery: version,
constructor: jQuery,
// Start with an empty selector selector: "",
// The default length of a jQuery object is 0 length: 0,
toArray: function() { return slice.call( this ); },
// Get the Nth element in the matched element set OR // Get the whole matched element set as a clean array get: function( num ) { return num != null ?
// Return just the one element from the set ( num < 0 ? this[ num + this.length ] : this[ num ] ) :
// Return all the elements in a clean array slice.call( this ); },
// Take an array of elements and push it onto the stack // (returning the new matched element set) pushStack: function( elems ) {
// Build a new jQuery matched element set var ret = jQuery.merge( this.constructor(), elems );
// Add the old object onto the stack (as a reference) ret.prevObject = this; ret.context = this.context;
// Return the newly-formed element set return ret; },
// Execute a callback for every element in the matched set. // (You can seed the arguments with an array of args, but this is // only used internally.) each: function( callback, args ) { return jQuery.each( this, callback, args ); },
map: function( callback ) { return this.pushStack( jQuery.map(this, function( elem, i ) { return callback.call( elem, i, elem ); })); },
slice: function() { return this.pushStack( slice.apply( this, arguments ) ); },
first: function() { return this.eq( 0 ); },
last: function() { return this.eq( -1 ); },
eq: function( i ) { var len = this.length, j = +i + ( i < 0 ? len : 0 ); return this.pushStack( j >= 0 && j < len ? [ this[j] ] : [] ); },
end: function() { return this.prevObject || this.constructor(null); },
// For internal use only. // Behaves like an Array's method, not like a jQuery method. push: push, sort: deletedIds.sort, splice: deletedIds.splice };
jQuery.extend = jQuery.fn.extend = function() { var src, copyIsArray, copy, name, options, clone, target = arguments[0] || {}, i = 1, length = arguments.length, deep = false;
// Handle a deep copy situation if ( typeof target === "boolean" ) { deep = target;
// skip the boolean and the target target = arguments[ i ] || {}; i++; }
// Handle case when target is a string or something (possible in deep copy) if ( typeof target !== "object" && !jQuery.isFunction(target) ) { target = {}; }
// extend jQuery itself if only one argument is passed if ( i === length ) { target = this; i--; }
for ( ; i < length; i++ ) { // Only deal with non-null/undefined values if ( (options = arguments[ i ]) != null ) { // Extend the base object for ( name in options ) { src = target[ name ]; copy = options[ name ];
// Prevent never-ending loop if ( target === copy ) { continue; }
// Recurse if we're merging plain objects or arrays if ( deep && copy && ( jQuery.isPlainObject(copy) || (copyIsArray = jQuery.isArray(copy)) ) ) { if ( copyIsArray ) { copyIsArray = false; clone = src && jQuery.isArray(src) ? src : [];
} else { clone = src && jQuery.isPlainObject(src) ? src : {}; }
// Never move original objects, clone them target[ name ] = jQuery.extend( deep, clone, copy );
// Don't bring in undefined values } else if ( copy !== undefined ) { target[ name ] = copy; } } } }
// Return the modified object return target; };
jQuery.extend({ // Unique for each copy of jQuery on the page expando: "jQuery" + ( version + Math.random() ).replace( /\D/g, "" ),
// Assume jQuery is ready without the ready module isReady: true,
error: function( msg ) { throw new Error( msg ); },
noop: function() {},
// See test/unit/core.js for details concerning isFunction. // Since version 1.3, DOM methods and functions like alert // aren't supported. They return false on IE (#2968). isFunction: function( obj ) { return jQuery.type(obj) === "function"; },
isArray: Array.isArray || function( obj ) { return jQuery.type(obj) === "array"; },
isWindow: function( obj ) { /* jshint eqeqeq: false */ return obj != null && obj == obj.window; },
isNumeric: function( obj ) { // parseFloat NaNs numeric-cast false positives (null|true|false|"") // ...but misinterprets leading-number strings, particularly hex literals ("0x...") // subtraction forces infinities to NaN return !jQuery.isArray( obj ) && obj - parseFloat( obj ) >= 0; },
isEmptyObject: function( obj ) { var name; for ( name in obj ) { return false; } return true; },
isPlainObject: function( obj ) { var key;
// Must be an Object. // Because of IE, we also have to check the presence of the constructor property. // Make sure that DOM nodes and window objects don't pass through, as well if ( !obj || jQuery.type(obj) !== "object" || obj.nodeType || jQuery.isWindow( obj ) ) { return false; }
try { // Not own constructor property must be Object if ( obj.constructor && !hasOwn.call(obj, "constructor") && !hasOwn.call(obj.constructor.prototype, "isPrototypeOf") ) { return false; } } catch ( e ) { // IE8,9 Will throw exceptions on certain host objects #9897 return false; }
// Support: IE<9 // Handle iteration over inherited properties before own properties. if ( support.ownLast ) { for ( key in obj ) { return hasOwn.call( obj, key ); } }
// Own properties are enumerated firstly, so to speed up, // if last one is own, then all properties are own. for ( key in obj ) {}
return key === undefined || hasOwn.call( obj, key ); },
type: function( obj ) { if ( obj == null ) { return obj + ""; } return typeof obj === "object" || typeof obj === "function" ? class2type[ toString.call(obj) ] || "object" : typeof obj; },
// Evaluates a script in a global context // Workarounds based on findings by Jim Driscoll // http://weblogs.java.net/blog/driscoll/archive/2009/09/08/eval-javascript-global-context globalEval: function( data ) { if ( data && jQuery.trim( data ) ) { // We use execScript on Internet Explorer // We use an anonymous function so that context is window // rather than jQuery in Firefox ( window.execScript || function( data ) { window[ "eval" ].call( window, data ); } )( data ); } },
// Convert dashed to camelCase; used by the css and data modules // Microsoft forgot to hump their vendor prefix (#9572) camelCase: function( string ) { return string.replace( rmsPrefix, "ms-" ).replace( rdashAlpha, fcamelCase ); },
nodeName: function( elem, name ) { return elem.nodeName && elem.nodeName.toLowerCase() === name.toLowerCase(); },
// args is for internal usage only each: function( obj, callback, args ) { var value, i = 0, length = obj.length, isArray = isArraylike( obj );
if ( args ) { if ( isArray ) { for ( ; i < length; i++ ) { value = callback.apply( obj[ i ], args );
if ( value === false ) { break; } } } else { for ( i in obj ) { value = callback.apply( obj[ i ], args );
if ( value === false ) { break; } } }
// A special, fast, case for the most common use of each } else { if ( isArray ) { for ( ; i < length; i++ ) { value = callback.call( obj[ i ], i, obj[ i ] );
if ( value === false ) { break; } } } else { for ( i in obj ) { value = callback.call( obj[ i ], i, obj[ i ] );
if ( value === false ) { break; } } } }
return obj; },
// Support: Android<4.1, IE<9 trim: function( text ) { return text == null ? "" : ( text + "" ).replace( rtrim, "" ); },
// results is for internal usage only makeArray: function( arr, results ) { var ret = results || [];
if ( arr != null ) { if ( isArraylike( Object(arr) ) ) { jQuery.merge( ret, typeof arr === "string" ? [ arr ] : arr ); } else { push.call( ret, arr ); } }
return ret; },
inArray: function( elem, arr, i ) { var len;
if ( arr ) { if ( indexOf ) { return indexOf.call( arr, elem, i ); }
len = arr.length; i = i ? i < 0 ? Math.max( 0, len + i ) : i : 0;
for ( ; i < len; i++ ) { // Skip accessing in sparse arrays if ( i in arr && arr[ i ] === elem ) { return i; } } }
return -1; },
merge: function( first, second ) { var len = +second.length, j = 0, i = first.length;
while ( j < len ) { first[ i++ ] = second[ j++ ]; }
// Support: IE<9 // Workaround casting of .length to NaN on otherwise arraylike objects (e.g., NodeLists) if ( len !== len ) { while ( second[j] !== undefined ) { first[ i++ ] = second[ j++ ]; } }
first.length = i;
return first; },
grep: function( elems, callback, invert ) { var callbackInverse, matches = [], i = 0, length = elems.length, callbackExpect = !invert;
// Go through the array, only saving the items // that pass the validator function for ( ; i < length; i++ ) { callbackInverse = !callback( elems[ i ], i ); if ( callbackInverse !== callbackExpect ) { matches.push( elems[ i ] ); } }
return matches; },
// arg is for internal usage only map: function( elems, callback, arg ) { var value, i = 0, length = elems.length, isArray = isArraylike( elems ), ret = [];
// Go through the array, translating each of the items to their new values if ( isArray ) { for ( ; i < length; i++ ) { value = callback( elems[ i ], i, arg );
if ( value != null ) { ret.push( value ); } }
// Go through every key on the object, } else { for ( i in elems ) { value = callback( elems[ i ], i, arg );
if ( value != null ) { ret.push( value ); } } }
// Flatten any nested arrays return concat.apply( [], ret ); },
// A global GUID counter for objects guid: 1,
// Bind a function to a context, optionally partially applying any // arguments. proxy: function( fn, context ) { var args, proxy, tmp;
if ( typeof context === "string" ) { tmp = fn[ context ]; context = fn; fn = tmp; }
// Quick check to determine if target is callable, in the spec // this throws a TypeError, but we will just return undefined. if ( !jQuery.isFunction( fn ) ) { return undefined; }
// Simulated bind args = slice.call( arguments, 2 ); proxy = function() { return fn.apply( context || this, args.concat( slice.call( arguments ) ) ); };
// Set the guid of unique handler to the same of original handler, so it can be removed proxy.guid = fn.guid = fn.guid || jQuery.guid++;
return proxy; },
now: function() { return +( new Date() ); },
// jQuery.support is not used in Core but other projects attach their // properties to it so it needs to exist. support: support });
// Populate the class2type map jQuery.each("Boolean Number String Function Array Date RegExp Object Error".split(" "), function(i, name) { class2type[ "[object " + name + "]" ] = name.toLowerCase(); });
function isArraylike( obj ) { var length = obj.length, type = jQuery.type( obj );
if ( type === "function" || jQuery.isWindow( obj ) ) { return false; }
if ( obj.nodeType === 1 && length ) { return true; }
return type === "array" || length === 0 || typeof length === "number" && length > 0 && ( length - 1 ) in obj; } var Sizzle = /*!
* Sizzle CSS Selector Engine v1.10.19 * http://sizzlejs.com/ * * Copyright 2013 jQuery Foundation, Inc. and other contributors * Released under the MIT license * http://jquery.org/license * * Date: 2014-04-18 */
(function( window ) {
var i, support, Expr, getText, isXML, tokenize, compile, select, outermostContext, sortInput, hasDuplicate,
// Local document vars setDocument, document, docElem, documentIsHTML, rbuggyQSA, rbuggyMatches, matches, contains,
// Instance-specific data expando = "sizzle" + -(new Date()), preferredDoc = window.document, dirruns = 0, done = 0, classCache = createCache(), tokenCache = createCache(), compilerCache = createCache(), sortOrder = function( a, b ) { if ( a === b ) { hasDuplicate = true; } return 0; },
// General-purpose constants strundefined = typeof undefined, MAX_NEGATIVE = 1 << 31,
// Instance methods hasOwn = ({}).hasOwnProperty, arr = [], pop = arr.pop, push_native = arr.push, push = arr.push, slice = arr.slice, // Use a stripped-down indexOf if we can't use a native one indexOf = arr.indexOf || function( elem ) { var i = 0, len = this.length; for ( ; i < len; i++ ) { if ( this[i] === elem ) { return i; } } return -1; },
booleans = "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|ismap|loop|multiple|open|readonly|required|scoped",
// Regular expressions
// Whitespace characters http://www.w3.org/TR/css3-selectors/#whitespace whitespace = "[\\x20\\t\\r\\n\\f]", // http://www.w3.org/TR/css3-syntax/#characters characterEncoding = "(?:\\\\.|[\\w-]|[^\\x00-\\xa0])+",
// Loosely modeled on CSS identifier characters // An unquoted value should be a CSS identifier http://www.w3.org/TR/css3-selectors/#attribute-selectors // Proper syntax: http://www.w3.org/TR/CSS21/syndata.html#value-def-identifier identifier = characterEncoding.replace( "w", "w#" ),
// Attribute selectors: http://www.w3.org/TR/selectors/#attribute-selectors attributes = "\\[" + whitespace + "*(" + characterEncoding + ")(?:" + whitespace + // Operator (capture 2) "*([*^$|!~]?=)" + whitespace + // "Attribute values must be CSS identifiers [capture 5] or strings [capture 3 or capture 4]" "*(?:'((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\"|(" + identifier + "))|)" + whitespace + "*\\]",
pseudos = ":(" + characterEncoding + ")(?:\\((" + // To reduce the number of selectors needing tokenize in the preFilter, prefer arguments: // 1. quoted (capture 3; capture 4 or capture 5) "('((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\")|" + // 2. simple (capture 6) "((?:\\\\.|[^\\\\()[\\]]|" + attributes + ")*)|" + // 3. anything else (capture 2) ".*" + ")\\)|)",
// Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter rtrim = new RegExp( "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" + whitespace + "+$", "g" ),
rcomma = new RegExp( "^" + whitespace + "*," + whitespace + "*" ), rcombinators = new RegExp( "^" + whitespace + "*([>+~]|" + whitespace + ")" + whitespace + "*" ),
rattributeQuotes = new RegExp( "=" + whitespace + "*([^\\]'\"]*?)" + whitespace + "*\\]", "g" ),
rpseudo = new RegExp( pseudos ), ridentifier = new RegExp( "^" + identifier + "$" ),
matchExpr = { "ID": new RegExp( "^#(" + characterEncoding + ")" ), "CLASS": new RegExp( "^\\.(" + characterEncoding + ")" ), "TAG": new RegExp( "^(" + characterEncoding.replace( "w", "w*" ) + ")" ), "ATTR": new RegExp( "^" + attributes ), "PSEUDO": new RegExp( "^" + pseudos ), "CHILD": new RegExp( "^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" + whitespace + "*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" + whitespace + "*(\\d+)|))" + whitespace + "*\\)|)", "i" ), "bool": new RegExp( "^(?:" + booleans + ")$", "i" ), // For use in libraries implementing .is() // We use this for POS matching in `select` "needsContext": new RegExp( "^" + whitespace + "*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" + whitespace + "*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i" ) },
rinputs = /^(?:input|select|textarea|button)$/i, rheader = /^h\d$/i,
rnative = /^[^{]+\{\s*\[native \w/,
// Easily-parseable/retrievable ID or TAG or CLASS selectors rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/,
rsibling = /[+~]/, rescape = /'|\\/g,
// CSS escapes http://www.w3.org/TR/CSS21/syndata.html#escaped-characters runescape = new RegExp( "\\\\([\\da-f]{1,6}" + whitespace + "?|(" + whitespace + ")|.)", "ig" ), funescape = function( _, escaped, escapedWhitespace ) { var high = "0x" + escaped - 0x10000; // NaN means non-codepoint // Support: Firefox<24 // Workaround erroneous numeric interpretation of +"0x" return high !== high || escapedWhitespace ? escaped : high < 0 ? // BMP codepoint String.fromCharCode( high + 0x10000 ) : // Supplemental Plane codepoint (surrogate pair) String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 ); };
// Optimize for push.apply( _, NodeList ) try { push.apply( (arr = slice.call( preferredDoc.childNodes )), preferredDoc.childNodes ); // Support: Android<4.0 // Detect silently failing push.apply arr[ preferredDoc.childNodes.length ].nodeType; } catch ( e ) { push = { apply: arr.length ?
// Leverage slice if possible function( target, els ) { push_native.apply( target, slice.call(els) ); } :
// Support: IE<9 // Otherwise append directly function( target, els ) { var j = target.length, i = 0; // Can't trust NodeList.length while ( (target[j++] = els[i++]) ) {} target.length = j - 1; } }; }
function Sizzle( selector, context, results, seed ) { var match, elem, m, nodeType, // QSA vars i, groups, old, nid, newContext, newSelector;
if ( ( context ? context.ownerDocument || context : preferredDoc ) !== document ) { setDocument( context ); }
context = context || document; results = results || [];
if ( !selector || typeof selector !== "string" ) { return results; }
if ( (nodeType = context.nodeType) !== 1 && nodeType !== 9 ) { return []; }
if ( documentIsHTML && !seed ) {
// Shortcuts if ( (match = rquickExpr.exec( selector )) ) { // Speed-up: Sizzle("#ID") if ( (m = match[1]) ) { if ( nodeType === 9 ) { elem = context.getElementById( m ); // Check parentNode to catch when Blackberry 4.6 returns // nodes that are no longer in the document (jQuery #6963) if ( elem && elem.parentNode ) { // Handle the case where IE, Opera, and Webkit return items // by name instead of ID if ( elem.id === m ) { results.push( elem ); return results; } } else { return results; } } else { // Context is not a document if ( context.ownerDocument && (elem = context.ownerDocument.getElementById( m )) && contains( context, elem ) && elem.id === m ) { results.push( elem ); return results; } }
// Speed-up: Sizzle("TAG") } else if ( match[2] ) { push.apply( results, context.getElementsByTagName( selector ) ); return results;
// Speed-up: Sizzle(".CLASS") } else if ( (m = match[3]) && support.getElementsByClassName && context.getElementsByClassName ) { push.apply( results, context.getElementsByClassName( m ) ); return results; } }
// QSA path if ( support.qsa && (!rbuggyQSA || !rbuggyQSA.test( selector )) ) { nid = old = expando; newContext = context; newSelector = nodeType === 9 && selector;
// qSA works strangely on Element-rooted queries // We can work around this by specifying an extra ID on the root // and working up from there (Thanks to Andrew Dupont for the technique) // IE 8 doesn't work on object elements if ( nodeType === 1 && context.nodeName.toLowerCase() !== "object" ) { groups = tokenize( selector );
if ( (old = context.getAttribute("id")) ) { nid = old.replace( rescape, "\\$&" ); } else { context.setAttribute( "id", nid ); } nid = "[id='" + nid + "'] ";
i = groups.length; while ( i-- ) { groups[i] = nid + toSelector( groups[i] ); } newContext = rsibling.test( selector ) && testContext( context.parentNode ) || context; newSelector = groups.join(","); }
if ( newSelector ) { try { push.apply( results, newContext.querySelectorAll( newSelector ) ); return results; } catch(qsaError) { } finally { if ( !old ) { context.removeAttribute("id"); } } } } }
// All others return select( selector.replace( rtrim, "$1" ), context, results, seed ); }
/**
* Create key-value caches of limited size
* @returns {Function(string, Object)} Returns the Object data after storing it on itself with
* property name the (space-suffixed) string and (if the cache is larger than Expr.cacheLength)
* deleting the oldest entry
*/
function createCache() { var keys = [];
function cache( key, value ) { // Use (key + " ") to avoid collision with native prototype properties (see Issue #157) if ( keys.push( key + " " ) > Expr.cacheLength ) { // Only keep the most recent entries delete cache[ keys.shift() ]; } return (cache[ key + " " ] = value); } return cache; }
/**
* Mark a function for special use by Sizzle
* @param {Function} fn The function to mark
*/
function markFunction( fn ) { fn[ expando ] = true; return fn; }
/**
* Support testing using an element
* @param {Function} fn Passed the created div and expects a boolean result
*/
function assert( fn ) { var div = document.createElement("div");
try { return !!fn( div ); } catch (e) { return false; } finally { // Remove from its parent by default if ( div.parentNode ) { div.parentNode.removeChild( div ); } // release memory in IE div = null; } }
/**
* Adds the same handler for all of the specified attrs
* @param {String} attrs Pipe-separated list of attributes
* @param {Function} handler The method that will be applied
*/
function addHandle( attrs, handler ) { var arr = attrs.split("|"), i = attrs.length;
while ( i-- ) { Expr.attrHandle[ arr[i] ] = handler; } }
/**
* Checks document order of two siblings
* @param {Element} a
* @param {Element} b
* @returns {Number} Returns less than 0 if a precedes b, greater than 0 if a follows b
*/
function siblingCheck( a, b ) { var cur = b && a, diff = cur && a.nodeType === 1 && b.nodeType === 1 && ( ~b.sourceIndex || MAX_NEGATIVE ) - ( ~a.sourceIndex || MAX_NEGATIVE );
// Use IE sourceIndex if available on both nodes if ( diff ) { return diff; }
// Check if b follows a if ( cur ) { while ( (cur = cur.nextSibling) ) { if ( cur === b ) { return -1; } } }
return a ? 1 : -1; }
/**
* Returns a function to use in pseudos for input types
* @param {String} type
*/
function createInputPseudo( type ) { return function( elem ) { var name = elem.nodeName.toLowerCase(); return name === "input" && elem.type === type; }; }
/**
* Returns a function to use in pseudos for buttons
* @param {String} type
*/
function createButtonPseudo( type ) { return function( elem ) { var name = elem.nodeName.toLowerCase(); return (name === "input" || name === "button") && elem.type === type; }; }
/**
* Returns a function to use in pseudos for positionals
* @param {Function} fn
*/
function createPositionalPseudo( fn ) { return markFunction(function( argument ) { argument = +argument; return markFunction(function( seed, matches ) { var j, matchIndexes = fn( [], seed.length, argument ), i = matchIndexes.length;
// Match elements found at the specified indexes while ( i-- ) { if ( seed[ (j = matchIndexes[i]) ] ) { seed[j] = !(matches[j] = seed[j]); } } }); }); }
/**
* Checks a node for validity as a Sizzle context
* @param {Element|Object=} context
* @returns {Element|Object|Boolean} The input node if acceptable, otherwise a falsy value
*/
function testContext( context ) { return context && typeof context.getElementsByTagName !== strundefined && context; }
// Expose support vars for convenience support = Sizzle.support = {};
/**
* Detects XML nodes
* @param {Element|Object} elem An element or a document
* @returns {Boolean} True iff elem is a non-HTML XML node
*/
isXML = Sizzle.isXML = function( elem ) { // documentElement is verified for cases where it doesn't yet exist // (such as loading iframes in IE - #4833) var documentElement = elem && (elem.ownerDocument || elem).documentElement; return documentElement ? documentElement.nodeName !== "HTML" : false; };
/**
* Sets document-related variables once based on the current document
* @param {Element|Object} [doc] An element or document object to use to set the document
* @returns {Object} Returns the current document
*/
setDocument = Sizzle.setDocument = function( node ) { var hasCompare, doc = node ? node.ownerDocument || node : preferredDoc, parent = doc.defaultView;
// If no document and documentElement is available, return if ( doc === document || doc.nodeType !== 9 || !doc.documentElement ) { return document; }
// Set our document document = doc; docElem = doc.documentElement;
// Support tests documentIsHTML = !isXML( doc );
// Support: IE>8 // If iframe document is assigned to "document" variable and if iframe has been reloaded, // IE will throw "permission denied" error when accessing "document" variable, see jQuery #13936 // IE6-8 do not support the defaultView property so parent will be undefined if ( parent && parent !== parent.top ) { // IE11 does not have attachEvent, so all must suffer if ( parent.addEventListener ) { parent.addEventListener( "unload", function() { setDocument(); }, false ); } else if ( parent.attachEvent ) { parent.attachEvent( "onunload", function() { setDocument(); }); } }
/* Attributes ---------------------------------------------------------------------- */
// Support: IE<8 // Verify that getAttribute really returns attributes and not properties (excepting IE8 booleans) support.attributes = assert(function( div ) { div.className = "i"; return !div.getAttribute("className"); });
/* getElement(s)By* ---------------------------------------------------------------------- */
// Check if getElementsByTagName("*") returns only elements support.getElementsByTagName = assert(function( div ) { div.appendChild( doc.createComment("") ); return !div.getElementsByTagName("*").length; });
// Check if getElementsByClassName can be trusted support.getElementsByClassName = rnative.test( doc.getElementsByClassName ) && assert(function( div ) {
div.innerHTML = "";// Support: Safari<4 // Catch class over-caching div.firstChild.className = "i"; // Support: Opera<10 // Catch gEBCN failure to find non-leading classes return div.getElementsByClassName("i").length === 2; });
// Support: IE<10 // Check if getElementById returns elements by name // The broken getElementById methods don't pick up programatically-set names, // so use a roundabout getElementsByName test support.getById = assert(function( div ) { docElem.appendChild( div ).id = expando; return !doc.getElementsByName || !doc.getElementsByName( expando ).length; });
// ID find and filter if ( support.getById ) { Expr.find["ID"] = function( id, context ) { if ( typeof context.getElementById !== strundefined && documentIsHTML ) { var m = context.getElementById( id ); // Check parentNode to catch when Blackberry 4.6 returns // nodes that are no longer in the document #6963 return m && m.parentNode ? [ m ] : []; } }; Expr.filter["ID"] = function( id ) { var attrId = id.replace( runescape, funescape ); return function( elem ) { return elem.getAttribute("id") === attrId; }; }; } else { // Support: IE6/7 // getElementById is not reliable as a find shortcut delete Expr.find["ID"];
Expr.filter["ID"] = function( id ) { var attrId = id.replace( runescape, funescape ); return function( elem ) { var node = typeof elem.getAttributeNode !== strundefined && elem.getAttributeNode("id"); return node && node.value === attrId; }; }; }
// Tag Expr.find["TAG"] = support.getElementsByTagName ? function( tag, context ) { if ( typeof context.getElementsByTagName !== strundefined ) { return context.getElementsByTagName( tag ); } } : function( tag, context ) { var elem, tmp = [], i = 0, results = context.getElementsByTagName( tag );
// Filter out possible comments if ( tag === "*" ) { while ( (elem = results[i++]) ) { if ( elem.nodeType === 1 ) { tmp.push( elem ); } }
return tmp; } return results; };
// Class Expr.find["CLASS"] = support.getElementsByClassName && function( className, context ) { if ( typeof context.getElementsByClassName !== strundefined && documentIsHTML ) { return context.getElementsByClassName( className ); } };
/* QSA/matchesSelector ---------------------------------------------------------------------- */
// QSA and matchesSelector support
// matchesSelector(:active) reports false when true (IE9/Opera 11.5) rbuggyMatches = [];
// qSa(:focus) reports false when true (Chrome 21) // We allow this because of a bug in IE8/9 that throws an error // whenever `document.activeElement` is accessed on an iframe // So, we allow :focus to pass through QSA all the time to avoid the IE error // See http://bugs.jquery.com/ticket/13378 rbuggyQSA = [];
if ( (support.qsa = rnative.test( doc.querySelectorAll )) ) { // Build QSA regex // Regex strategy adopted from Diego Perini assert(function( div ) { // Select is set to empty string on purpose // This is to test IE's treatment of not explicitly // setting a boolean content attribute, // since its presence should be enough // http://bugs.jquery.com/ticket/12359 div.innerHTML = "<select msallowclip=><option selected=></option></select>";
// Support: IE8, Opera 11-12.16 // Nothing should be selected when empty strings follow ^= or $= or *= // The test attribute must be unknown in Opera but "safe" for WinRT // http://msdn.microsoft.com/en-us/library/ie/hh465388.aspx#attribute_section if ( div.querySelectorAll("[msallowclip^=]").length ) { rbuggyQSA.push( "[*^$]=" + whitespace + "*(?:|\"\")" ); }
// Support: IE8 // Boolean attributes and "value" are not treated correctly if ( !div.querySelectorAll("[selected]").length ) { rbuggyQSA.push( "\\[" + whitespace + "*(?:value|" + booleans + ")" ); }
// Webkit/Opera - :checked should return selected option elements // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked // IE8 throws error here and will not see later tests if ( !div.querySelectorAll(":checked").length ) { rbuggyQSA.push(":checked"); } });
assert(function( div ) { // Support: Windows 8 Native Apps // The type and name attributes are restricted during .innerHTML assignment var input = doc.createElement("input"); input.setAttribute( "type", "hidden" ); div.appendChild( input ).setAttribute( "name", "D" );
// Support: IE8 // Enforce case-sensitivity of name attribute if ( div.querySelectorAll("[name=d]").length ) { rbuggyQSA.push( "name" + whitespace + "*[*^$|!~]?=" ); }
// FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled) // IE8 throws error here and will not see later tests if ( !div.querySelectorAll(":enabled").length ) { rbuggyQSA.push( ":enabled", ":disabled" ); }
// Opera 10-11 does not throw on post-comma invalid pseudos div.querySelectorAll("*,:x"); rbuggyQSA.push(",.*:"); }); }
if ( (support.matchesSelector = rnative.test( (matches = docElem.matches || docElem.webkitMatchesSelector || docElem.mozMatchesSelector || docElem.oMatchesSelector || docElem.msMatchesSelector) )) ) {
assert(function( div ) { // Check to see if it's possible to do matchesSelector // on a disconnected node (IE 9) support.disconnectedMatch = matches.call( div, "div" );
// This should fail with an exception // Gecko does not error, returns false instead matches.call( div, "[s!=]:x" ); rbuggyMatches.push( "!=", pseudos ); }); }
rbuggyQSA = rbuggyQSA.length && new RegExp( rbuggyQSA.join("|") ); rbuggyMatches = rbuggyMatches.length && new RegExp( rbuggyMatches.join("|") );
/* Contains ---------------------------------------------------------------------- */ hasCompare = rnative.test( docElem.compareDocumentPosition );
// Element contains another // Purposefully does not implement inclusive descendent // As in, an element does not contain itself contains = hasCompare || rnative.test( docElem.contains ) ? function( a, b ) { var adown = a.nodeType === 9 ? a.documentElement : a, bup = b && b.parentNode; return a === bup || !!( bup && bup.nodeType === 1 && ( adown.contains ? adown.contains( bup ) : a.compareDocumentPosition && a.compareDocumentPosition( bup ) & 16 )); } : function( a, b ) { if ( b ) { while ( (b = b.parentNode) ) { if ( b === a ) { return true; } } } return false; };
/* Sorting ---------------------------------------------------------------------- */
// Document order sorting sortOrder = hasCompare ? function( a, b ) {
// Flag for duplicate removal if ( a === b ) { hasDuplicate = true; return 0; }
// Sort on method existence if only one input has compareDocumentPosition var compare = !a.compareDocumentPosition - !b.compareDocumentPosition; if ( compare ) { return compare; }
// Calculate position if both inputs belong to the same document compare = ( a.ownerDocument || a ) === ( b.ownerDocument || b ) ? a.compareDocumentPosition( b ) :
// Otherwise we know they are disconnected 1;
// Disconnected nodes if ( compare & 1 || (!support.sortDetached && b.compareDocumentPosition( a ) === compare) ) {
// Choose the first element that is related to our preferred document if ( a === doc || a.ownerDocument === preferredDoc && contains(preferredDoc, a) ) { return -1; } if ( b === doc || b.ownerDocument === preferredDoc && contains(preferredDoc, b) ) { return 1; }
// Maintain original order return sortInput ? ( indexOf.call( sortInput, a ) - indexOf.call( sortInput, b ) ) : 0; }
return compare & 4 ? -1 : 1; } : function( a, b ) { // Exit early if the nodes are identical if ( a === b ) { hasDuplicate = true; return 0; }
var cur, i = 0, aup = a.parentNode, bup = b.parentNode, ap = [ a ], bp = [ b ];
// Parentless nodes are either documents or disconnected if ( !aup || !bup ) { return a === doc ? -1 : b === doc ? 1 : aup ? -1 : bup ? 1 : sortInput ? ( indexOf.call( sortInput, a ) - indexOf.call( sortInput, b ) ) : 0;
// If the nodes are siblings, we can do a quick check } else if ( aup === bup ) { return siblingCheck( a, b ); }
// Otherwise we need full lists of their ancestors for comparison cur = a; while ( (cur = cur.parentNode) ) { ap.unshift( cur ); } cur = b; while ( (cur = cur.parentNode) ) { bp.unshift( cur ); }
// Walk down the tree looking for a discrepancy while ( ap[i] === bp[i] ) { i++; }
return i ? // Do a sibling check if the nodes have a common ancestor siblingCheck( ap[i], bp[i] ) :
// Otherwise nodes in our document sort first ap[i] === preferredDoc ? -1 : bp[i] === preferredDoc ? 1 : 0; };
return doc; };
Sizzle.matches = function( expr, elements ) { return Sizzle( expr, null, null, elements ); };
Sizzle.matchesSelector = function( elem, expr ) { // Set document vars if needed if ( ( elem.ownerDocument || elem ) !== document ) { setDocument( elem ); }
// Make sure that attribute selectors are quoted expr = expr.replace( rattributeQuotes, "='$1']" );
if ( support.matchesSelector && documentIsHTML && ( !rbuggyMatches || !rbuggyMatches.test( expr ) ) && ( !rbuggyQSA || !rbuggyQSA.test( expr ) ) ) {
try { var ret = matches.call( elem, expr );
// IE 9's matchesSelector returns false on disconnected nodes if ( ret || support.disconnectedMatch || // As well, disconnected nodes are said to be in a document // fragment in IE 9 elem.document && elem.document.nodeType !== 11 ) { return ret; } } catch(e) {} }
return Sizzle( expr, document, null, [ elem ] ).length > 0; };
Sizzle.contains = function( context, elem ) { // Set document vars if needed if ( ( context.ownerDocument || context ) !== document ) { setDocument( context ); } return contains( context, elem ); };
Sizzle.attr = function( elem, name ) { // Set document vars if needed if ( ( elem.ownerDocument || elem ) !== document ) { setDocument( elem ); }
var fn = Expr.attrHandle[ name.toLowerCase() ], // Don't get fooled by Object.prototype properties (jQuery #13807) val = fn && hasOwn.call( Expr.attrHandle, name.toLowerCase() ) ? fn( elem, name, !documentIsHTML ) : undefined;
return val !== undefined ? val : support.attributes || !documentIsHTML ? elem.getAttribute( name ) : (val = elem.getAttributeNode(name)) && val.specified ? val.value : null; };
Sizzle.error = function( msg ) { throw new Error( "Syntax error, unrecognized expression: " + msg ); };
/**
* Document sorting and removing duplicates
* @param {ArrayLike} results
*/
Sizzle.uniqueSort = function( results ) { var elem, duplicates = [], j = 0, i = 0;
// Unless we *know* we can detect duplicates, assume their presence hasDuplicate = !support.detectDuplicates; sortInput = !support.sortStable && results.slice( 0 ); results.sort( sortOrder );
if ( hasDuplicate ) { while ( (elem = results[i++]) ) { if ( elem === results[ i ] ) { j = duplicates.push( i ); } } while ( j-- ) { results.splice( duplicates[ j ], 1 ); } }
// Clear input after sorting to release objects // See https://github.com/jquery/sizzle/pull/225 sortInput = null;
return results; };
/**
* Utility function for retrieving the text value of an array of DOM nodes
* @param {Array|Element} elem
*/
getText = Sizzle.getText = function( elem ) { var node, ret = "", i = 0, nodeType = elem.nodeType;
if ( !nodeType ) { // If no nodeType, this is expected to be an array while ( (node = elem[i++]) ) { // Do not traverse comment nodes ret += getText( node ); } } else if ( nodeType === 1 || nodeType === 9 || nodeType === 11 ) { // Use textContent for elements // innerText usage removed for consistency of new lines (jQuery #11153) if ( typeof elem.textContent === "string" ) { return elem.textContent; } else { // Traverse its children for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) { ret += getText( elem ); } } } else if ( nodeType === 3 || nodeType === 4 ) { return elem.nodeValue; } // Do not include comment or processing instruction nodes
return ret; };
Expr = Sizzle.selectors = {
// Can be adjusted by the user cacheLength: 50,
createPseudo: markFunction,
match: matchExpr,
attrHandle: {},
find: {},
relative: { ">": { dir: "parentNode", first: true }, " ": { dir: "parentNode" }, "+": { dir: "previousSibling", first: true }, "~": { dir: "previousSibling" } },
preFilter: { "ATTR": function( match ) { match[1] = match[1].replace( runescape, funescape );
// Move the given value to match[3] whether quoted or unquoted match[3] = ( match[3] || match[4] || match[5] || "" ).replace( runescape, funescape );
if ( match[2] === "~=" ) { match[3] = " " + match[3] + " "; }
return match.slice( 0, 4 ); },
"CHILD": function( match ) { /* matches from matchExpr["CHILD"] 1 type (only|nth|...) 2 what (child|of-type) 3 argument (even|odd|\d*|\d*n([+-]\d+)?|...) 4 xn-component of xn+y argument ([+-]?\d*n|) 5 sign of xn-component 6 x of xn-component 7 sign of y-component 8 y of y-component */ match[1] = match[1].toLowerCase();
if ( match[1].slice( 0, 3 ) === "nth" ) { // nth-* requires argument if ( !match[3] ) { Sizzle.error( match[0] ); }
// numeric x and y parameters for Expr.filter.CHILD // remember that false/true cast respectively to 0/1 match[4] = +( match[4] ? match[5] + (match[6] || 1) : 2 * ( match[3] === "even" || match[3] === "odd" ) ); match[5] = +( ( match[7] + match[8] ) || match[3] === "odd" );
// other types prohibit arguments } else if ( match[3] ) { Sizzle.error( match[0] ); }
return match; },
"PSEUDO": function( match ) { var excess, unquoted = !match[6] && match[2];
if ( matchExpr["CHILD"].test( match[0] ) ) { return null; }
// Accept quoted arguments as-is if ( match[3] ) { match[2] = match[4] || match[5] || "";
// Strip excess characters from unquoted arguments } else if ( unquoted && rpseudo.test( unquoted ) && // Get excess from tokenize (recursively) (excess = tokenize( unquoted, true )) && // advance to the next closing parenthesis (excess = unquoted.indexOf( ")", unquoted.length - excess ) - unquoted.length) ) {
// excess is a negative index match[0] = match[0].slice( 0, excess ); match[2] = unquoted.slice( 0, excess ); }
// Return only captures needed by the pseudo filter method (type and argument) return match.slice( 0, 3 ); } },
filter: {
"TAG": function( nodeNameSelector ) { var nodeName = nodeNameSelector.replace( runescape, funescape ).toLowerCase(); return nodeNameSelector === "*" ? function() { return true; } : function( elem ) { return elem.nodeName && elem.nodeName.toLowerCase() === nodeName; }; },
"CLASS": function( className ) { var pattern = classCache[ className + " " ];
return pattern || (pattern = new RegExp( "(^|" + whitespace + ")" + className + "(" + whitespace + "|$)" )) && classCache( className, function( elem ) { return pattern.test( typeof elem.className === "string" && elem.className || typeof elem.getAttribute !== strundefined && elem.getAttribute("class") || "" ); }); },
"ATTR": function( name, operator, check ) { return function( elem ) { var result = Sizzle.attr( elem, name );
if ( result == null ) { return operator === "!="; } if ( !operator ) { return true; }
result += "";
return operator === "=" ? result === check : operator === "!=" ? result !== check : operator === "^=" ? check && result.indexOf( check ) === 0 : operator === "*=" ? check && result.indexOf( check ) > -1 : operator === "$=" ? check && result.slice( -check.length ) === check : operator === "~=" ? ( " " + result + " " ).indexOf( check ) > -1 : operator === "|=" ? result === check || result.slice( 0, check.length + 1 ) === check + "-" : false; }; },
"CHILD": function( type, what, argument, first, last ) { var simple = type.slice( 0, 3 ) !== "nth", forward = type.slice( -4 ) !== "last", ofType = what === "of-type";
return first === 1 && last === 0 ?
// Shortcut for :nth-*(n) function( elem ) { return !!elem.parentNode; } :
function( elem, context, xml ) { var cache, outerCache, node, diff, nodeIndex, start, dir = simple !== forward ? "nextSibling" : "previousSibling", parent = elem.parentNode, name = ofType && elem.nodeName.toLowerCase(), useCache = !xml && !ofType;
if ( parent ) {
// :(first|last|only)-(child|of-type) if ( simple ) { while ( dir ) { node = elem; while ( (node = node[ dir ]) ) { if ( ofType ? node.nodeName.toLowerCase() === name : node.nodeType === 1 ) { return false; } } // Reverse direction for :only-* (if we haven't yet done so) start = dir = type === "only" && !start && "nextSibling"; } return true; }
start = [ forward ? parent.firstChild : parent.lastChild ];
// non-xml :nth-child(...) stores cache data on `parent` if ( forward && useCache ) { // Seek `elem` from a previously-cached index outerCache = parent[ expando ] || (parent[ expando ] = {}); cache = outerCache[ type ] || []; nodeIndex = cache[0] === dirruns && cache[1]; diff = cache[0] === dirruns && cache[2]; node = nodeIndex && parent.childNodes[ nodeIndex ];
while ( (node = ++nodeIndex && node && node[ dir ] ||
// Fallback to seeking `elem` from the start (diff = nodeIndex = 0) || start.pop()) ) {
// When found, cache indexes on `parent` and break if ( node.nodeType === 1 && ++diff && node === elem ) { outerCache[ type ] = [ dirruns, nodeIndex, diff ]; break; } }
// Use previously-cached element index if available } else if ( useCache && (cache = (elem[ expando ] || (elem[ expando ] = {}))[ type ]) && cache[0] === dirruns ) { diff = cache[1];
// xml :nth-child(...) or :nth-last-child(...) or :nth(-last)?-of-type(...) } else { // Use the same loop as above to seek `elem` from the start while ( (node = ++nodeIndex && node && node[ dir ] || (diff = nodeIndex = 0) || start.pop()) ) {
if ( ( ofType ? node.nodeName.toLowerCase() === name : node.nodeType === 1 ) && ++diff ) { // Cache the index of each encountered element if ( useCache ) { (node[ expando ] || (node[ expando ] = {}))[ type ] = [ dirruns, diff ]; }
if ( node === elem ) { break; } } } }
// Incorporate the offset, then check against cycle size diff -= last; return diff === first || ( diff % first === 0 && diff / first >= 0 ); } }; },
"PSEUDO": function( pseudo, argument ) { // pseudo-class names are case-insensitive // http://www.w3.org/TR/selectors/#pseudo-classes // Prioritize by case sensitivity in case custom pseudos are added with uppercase letters // Remember that setFilters inherits from pseudos var args, fn = Expr.pseudos[ pseudo ] || Expr.setFilters[ pseudo.toLowerCase() ] || Sizzle.error( "unsupported pseudo: " + pseudo );
// The user may use createPseudo to indicate that // arguments are needed to create the filter function // just as Sizzle does if ( fn[ expando ] ) { return fn( argument ); }
// But maintain support for old signatures if ( fn.length > 1 ) { args = [ pseudo, pseudo, "", argument ]; return Expr.setFilters.hasOwnProperty( pseudo.toLowerCase() ) ? markFunction(function( seed, matches ) { var idx, matched = fn( seed, argument ), i = matched.length; while ( i-- ) { idx = indexOf.call( seed, matched[i] ); seed[ idx ] = !( matches[ idx ] = matched[i] ); } }) : function( elem ) { return fn( elem, 0, args ); }; }
return fn; } },
pseudos: { // Potentially complex pseudos "not": markFunction(function( selector ) { // Trim the selector passed to compile // to avoid treating leading and trailing // spaces as combinators var input = [], results = [], matcher = compile( selector.replace( rtrim, "$1" ) );
return matcher[ expando ] ? markFunction(function( seed, matches, context, xml ) { var elem, unmatched = matcher( seed, null, xml, [] ), i = seed.length;
// Match elements unmatched by `matcher` while ( i-- ) { if ( (elem = unmatched[i]) ) { seed[i] = !(matches[i] = elem); } } }) : function( elem, context, xml ) { input[0] = elem; matcher( input, null, xml, results ); return !results.pop(); }; }),
"has": markFunction(function( selector ) { return function( elem ) { return Sizzle( selector, elem ).length > 0; }; }),
"contains": markFunction(function( text ) { return function( elem ) { return ( elem.textContent || elem.innerText || getText( elem ) ).indexOf( text ) > -1; }; }),
// "Whether an element is represented by a :lang() selector // is based solely on the element's language value // being equal to the identifier C, // or beginning with the identifier C immediately followed by "-". // The matching of C against the element's language value is performed case-insensitively. // The identifier C does not have to be a valid language name." // http://www.w3.org/TR/selectors/#lang-pseudo "lang": markFunction( function( lang ) { // lang value must be a valid identifier if ( !ridentifier.test(lang || "") ) { Sizzle.error( "unsupported lang: " + lang ); } lang = lang.replace( runescape, funescape ).toLowerCase(); return function( elem ) { var elemLang; do { if ( (elemLang = documentIsHTML ? elem.lang : elem.getAttribute("xml:lang") || elem.getAttribute("lang")) ) {
elemLang = elemLang.toLowerCase(); return elemLang === lang || elemLang.indexOf( lang + "-" ) === 0; } } while ( (elem = elem.parentNode) && elem.nodeType === 1 ); return false; }; }),
// Miscellaneous "target": function( elem ) { var hash = window.location && window.location.hash; return hash && hash.slice( 1 ) === elem.id; },
"root": function( elem ) { return elem === docElem; },
"focus": function( elem ) { return elem === document.activeElement && (!document.hasFocus || document.hasFocus()) && !!(elem.type || elem.href || ~elem.tabIndex); },
// Boolean properties "enabled": function( elem ) { return elem.disabled === false; },
"disabled": function( elem ) { return elem.disabled === true; },
"checked": function( elem ) { // In CSS3, :checked should return both checked and selected elements // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked var nodeName = elem.nodeName.toLowerCase(); return (nodeName === "input" && !!elem.checked) || (nodeName === "option" && !!elem.selected); },
"selected": function( elem ) { // Accessing this property makes selected-by-default // options in Safari work properly if ( elem.parentNode ) { elem.parentNode.selectedIndex; }
return elem.selected === true; },
// Contents "empty": function( elem ) { // http://www.w3.org/TR/selectors/#empty-pseudo // :empty is negated by element (1) or content nodes (text: 3; cdata: 4; entity ref: 5), // but not by others (comment: 8; processing instruction: 7; etc.) // nodeType < 6 works because attributes (2) do not appear as children for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) { if ( elem.nodeType < 6 ) { return false; } } return true; },
"parent": function( elem ) { return !Expr.pseudos["empty"]( elem ); },
// Element/input types "header": function( elem ) { return rheader.test( elem.nodeName ); },
"input": function( elem ) { return rinputs.test( elem.nodeName ); },
"button": function( elem ) { var name = elem.nodeName.toLowerCase(); return name === "input" && elem.type === "button" || name === "button"; },
"text": function( elem ) { var attr; return elem.nodeName.toLowerCase() === "input" && elem.type === "text" &&
// Support: IE<8 // New HTML5 attribute values (e.g., "search") appear with elem.type === "text" ( (attr = elem.getAttribute("type")) == null || attr.toLowerCase() === "text" ); },
// Position-in-collection "first": createPositionalPseudo(function() { return [ 0 ]; }),
"last": createPositionalPseudo(function( matchIndexes, length ) { return [ length - 1 ]; }),
"eq": createPositionalPseudo(function( matchIndexes, length, argument ) { return [ argument < 0 ? argument + length : argument ]; }),
"even": createPositionalPseudo(function( matchIndexes, length ) { var i = 0; for ( ; i < length; i += 2 ) { matchIndexes.push( i ); } return matchIndexes; }),
"odd": createPositionalPseudo(function( matchIndexes, length ) { var i = 1; for ( ; i < length; i += 2 ) { matchIndexes.push( i ); } return matchIndexes; }),
"lt": createPositionalPseudo(function( matchIndexes, length, argument ) { var i = argument < 0 ? argument + length : argument; for ( ; --i >= 0; ) { matchIndexes.push( i ); } return matchIndexes; }),
"gt": createPositionalPseudo(function( matchIndexes, length, argument ) { var i = argument < 0 ? argument + length : argument; for ( ; ++i < length; ) { matchIndexes.push( i ); } return matchIndexes; }) } };
Expr.pseudos["nth"] = Expr.pseudos["eq"];
// Add button/input type pseudos for ( i in { radio: true, checkbox: true, file: true, password: true, image: true } ) { Expr.pseudos[ i ] = createInputPseudo( i ); } for ( i in { submit: true, reset: true } ) { Expr.pseudos[ i ] = createButtonPseudo( i ); }
// Easy API for creating new setFilters function setFilters() {} setFilters.prototype = Expr.filters = Expr.pseudos; Expr.setFilters = new setFilters();
tokenize = Sizzle.tokenize = function( selector, parseOnly ) { var matched, match, tokens, type, soFar, groups, preFilters, cached = tokenCache[ selector + " " ];
if ( cached ) { return parseOnly ? 0 : cached.slice( 0 ); }
soFar = selector; groups = []; preFilters = Expr.preFilter;
while ( soFar ) {
// Comma and first run if ( !matched || (match = rcomma.exec( soFar )) ) { if ( match ) { // Don't consume trailing commas as valid soFar = soFar.slice( match[0].length ) || soFar; } groups.push( (tokens = []) ); }
matched = false;
// Combinators if ( (match = rcombinators.exec( soFar )) ) { matched = match.shift(); tokens.push({ value: matched, // Cast descendant combinators to space type: match[0].replace( rtrim, " " ) }); soFar = soFar.slice( matched.length ); }
// Filters for ( type in Expr.filter ) { if ( (match = matchExpr[ type ].exec( soFar )) && (!preFilters[ type ] || (match = preFilters[ type ]( match ))) ) { matched = match.shift(); tokens.push({ value: matched, type: type, matches: match }); soFar = soFar.slice( matched.length ); } }
if ( !matched ) { break; } }
// Return the length of the invalid excess // if we're just parsing // Otherwise, throw an error or return tokens return parseOnly ? soFar.length : soFar ? Sizzle.error( selector ) : // Cache the tokens tokenCache( selector, groups ).slice( 0 ); };
function toSelector( tokens ) { var i = 0, len = tokens.length, selector = ""; for ( ; i < len; i++ ) { selector += tokens[i].value; } return selector; }
function addCombinator( matcher, combinator, base ) { var dir = combinator.dir, checkNonElements = base && dir === "parentNode", doneName = done++;
return combinator.first ? // Check against closest ancestor/preceding element function( elem, context, xml ) { while ( (elem = elem[ dir ]) ) { if ( elem.nodeType === 1 || checkNonElements ) { return matcher( elem, context, xml ); } } } :
// Check against all ancestor/preceding elements function( elem, context, xml ) { var oldCache, outerCache, newCache = [ dirruns, doneName ];
// We can't set arbitrary data on XML nodes, so they don't benefit from dir caching if ( xml ) { while ( (elem = elem[ dir ]) ) { if ( elem.nodeType === 1 || checkNonElements ) { if ( matcher( elem, context, xml ) ) { return true; } } } } else { while ( (elem = elem[ dir ]) ) { if ( elem.nodeType === 1 || checkNonElements ) { outerCache = elem[ expando ] || (elem[ expando ] = {}); if ( (oldCache = outerCache[ dir ]) && oldCache[ 0 ] === dirruns && oldCache[ 1 ] === doneName ) {
// Assign to newCache so results back-propagate to previous elements return (newCache[ 2 ] = oldCache[ 2 ]); } else { // Reuse newcache so results back-propagate to previous elements outerCache[ dir ] = newCache;
// A match means we're done; a fail means we have to keep checking if ( (newCache[ 2 ] = matcher( elem, context, xml )) ) { return true; } } } } } }; }
function elementMatcher( matchers ) { return matchers.length > 1 ? function( elem, context, xml ) { var i = matchers.length; while ( i-- ) { if ( !matchers[i]( elem, context, xml ) ) { return false; } } return true; } : matchers[0]; }
function multipleContexts( selector, contexts, results ) { var i = 0, len = contexts.length; for ( ; i < len; i++ ) { Sizzle( selector, contexts[i], results ); } return results; }
function condense( unmatched, map, filter, context, xml ) { var elem, newUnmatched = [], i = 0, len = unmatched.length, mapped = map != null;
for ( ; i < len; i++ ) { if ( (elem = unmatched[i]) ) { if ( !filter || filter( elem, context, xml ) ) { newUnmatched.push( elem ); if ( mapped ) { map.push( i ); } } } }
return newUnmatched; }
function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postSelector ) { if ( postFilter && !postFilter[ expando ] ) { postFilter = setMatcher( postFilter ); } if ( postFinder && !postFinder[ expando ] ) { postFinder = setMatcher( postFinder, postSelector ); } return markFunction(function( seed, results, context, xml ) { var temp, i, elem, preMap = [], postMap = [], preexisting = results.length,
// Get initial elements from seed or context elems = seed || multipleContexts( selector || "*", context.nodeType ? [ context ] : context, [] ),
// Prefilter to get matcher input, preserving a map for seed-results synchronization matcherIn = preFilter && ( seed || !selector ) ? condense( elems, preMap, preFilter, context, xml ) : elems,
matcherOut = matcher ? // If we have a postFinder, or filtered seed, or non-seed postFilter or preexisting results, postFinder || ( seed ? preFilter : preexisting || postFilter ) ?
// ...intermediate processing is necessary [] :
// ...otherwise use results directly results : matcherIn;
// Find primary matches if ( matcher ) { matcher( matcherIn, matcherOut, context, xml ); }
// Apply postFilter if ( postFilter ) { temp = condense( matcherOut, postMap ); postFilter( temp, [], context, xml );
// Un-match failing elements by moving them back to matcherIn i = temp.length; while ( i-- ) { if ( (elem = temp[i]) ) { matcherOut[ postMap[i] ] = !(matcherIn[ postMap[i] ] = elem); } } }
if ( seed ) { if ( postFinder || preFilter ) { if ( postFinder ) { // Get the final matcherOut by condensing this intermediate into postFinder contexts temp = []; i = matcherOut.length; while ( i-- ) { if ( (elem = matcherOut[i]) ) { // Restore matcherIn since elem is not yet a final match temp.push( (matcherIn[i] = elem) ); } } postFinder( null, (matcherOut = []), temp, xml ); }
// Move matched elements from seed to results to keep them synchronized i = matcherOut.length; while ( i-- ) { if ( (elem = matcherOut[i]) && (temp = postFinder ? indexOf.call( seed, elem ) : preMap[i]) > -1 ) {
seed[temp] = !(results[temp] = elem); } } }
// Add elements to results, through postFinder if defined } else { matcherOut = condense( matcherOut === results ? matcherOut.splice( preexisting, matcherOut.length ) : matcherOut ); if ( postFinder ) { postFinder( null, results, matcherOut, xml ); } else { push.apply( results, matcherOut ); } } }); }
function matcherFromTokens( tokens ) { var checkContext, matcher, j, len = tokens.length, leadingRelative = Expr.relative[ tokens[0].type ], implicitRelative = leadingRelative || Expr.relative[" "], i = leadingRelative ? 1 : 0,
// The foundational matcher ensures that elements are reachable from top-level context(s) matchContext = addCombinator( function( elem ) { return elem === checkContext; }, implicitRelative, true ), matchAnyContext = addCombinator( function( elem ) { return indexOf.call( checkContext, elem ) > -1; }, implicitRelative, true ), matchers = [ function( elem, context, xml ) { return ( !leadingRelative && ( xml || context !== outermostContext ) ) || ( (checkContext = context).nodeType ? matchContext( elem, context, xml ) : matchAnyContext( elem, context, xml ) ); } ];
for ( ; i < len; i++ ) { if ( (matcher = Expr.relative[ tokens[i].type ]) ) { matchers = [ addCombinator(elementMatcher( matchers ), matcher) ]; } else { matcher = Expr.filter[ tokens[i].type ].apply( null, tokens[i].matches );
// Return special upon seeing a positional matcher if ( matcher[ expando ] ) { // Find the next relative operator (if any) for proper handling j = ++i; for ( ; j < len; j++ ) { if ( Expr.relative[ tokens[j].type ] ) { break; } } return setMatcher( i > 1 && elementMatcher( matchers ), i > 1 && toSelector( // If the preceding token was a descendant combinator, insert an implicit any-element `*` tokens.slice( 0, i - 1 ).concat({ value: tokens[ i - 2 ].type === " " ? "*" : "" }) ).replace( rtrim, "$1" ), matcher, i < j && matcherFromTokens( tokens.slice( i, j ) ), j < len && matcherFromTokens( (tokens = tokens.slice( j )) ), j < len && toSelector( tokens ) ); } matchers.push( matcher ); } }
return elementMatcher( matchers ); }
function matcherFromGroupMatchers( elementMatchers, setMatchers ) { var bySet = setMatchers.length > 0, byElement = elementMatchers.length > 0, superMatcher = function( seed, context, xml, results, outermost ) { var elem, j, matcher, matchedCount = 0, i = "0", unmatched = seed && [], setMatched = [], contextBackup = outermostContext, // We must always have either seed elements or outermost context elems = seed || byElement && Expr.find["TAG"]( "*", outermost ), // Use integer dirruns iff this is the outermost matcher dirrunsUnique = (dirruns += contextBackup == null ? 1 : Math.random() || 0.1), len = elems.length;
if ( outermost ) { outermostContext = context !== document && context; }
// Add elements passing elementMatchers directly to results // Keep `i` a string if there are no elements so `matchedCount` will be "00" below // Support: IE<9, Safari // Tolerate NodeList properties (IE: "length"; Safari: <number>) matching elements by id for ( ; i !== len && (elem = elems[i]) != null; i++ ) { if ( byElement && elem ) { j = 0; while ( (matcher = elementMatchers[j++]) ) { if ( matcher( elem, context, xml ) ) { results.push( elem ); break; } } if ( outermost ) { dirruns = dirrunsUnique; } }
// Track unmatched elements for set filters if ( bySet ) { // They will have gone through all possible matchers if ( (elem = !matcher && elem) ) { matchedCount--; }
// Lengthen the array for every element, matched or not if ( seed ) { unmatched.push( elem ); } } }
// Apply set filters to unmatched elements matchedCount += i; if ( bySet && i !== matchedCount ) { j = 0; while ( (matcher = setMatchers[j++]) ) { matcher( unmatched, setMatched, context, xml ); }
if ( seed ) { // Reintegrate element matches to eliminate the need for sorting if ( matchedCount > 0 ) { while ( i-- ) { if ( !(unmatched[i] || setMatched[i]) ) { setMatched[i] = pop.call( results ); } } }
// Discard index placeholder values to get only actual matches setMatched = condense( setMatched ); }
// Add matches to results push.apply( results, setMatched );
// Seedless set matches succeeding multiple successful matchers stipulate sorting if ( outermost && !seed && setMatched.length > 0 && ( matchedCount + setMatchers.length ) > 1 ) {
Sizzle.uniqueSort( results ); } }
// Override manipulation of globals by nested matchers if ( outermost ) { dirruns = dirrunsUnique; outermostContext = contextBackup; }
return unmatched; };
return bySet ? markFunction( superMatcher ) : superMatcher; }
compile = Sizzle.compile = function( selector, match /* Internal Use Only */ ) { var i, setMatchers = [], elementMatchers = [], cached = compilerCache[ selector + " " ];
if ( !cached ) { // Generate a function of recursive functions that can be used to check each element if ( !match ) { match = tokenize( selector ); } i = match.length; while ( i-- ) { cached = matcherFromTokens( match[i] ); if ( cached[ expando ] ) { setMatchers.push( cached ); } else { elementMatchers.push( cached ); } }
// Cache the compiled function cached = compilerCache( selector, matcherFromGroupMatchers( elementMatchers, setMatchers ) );
// Save selector and tokenization cached.selector = selector; } return cached; };
/**
* A low-level selection function that works with Sizzle's compiled
* selector functions
* @param {String|Function} selector A selector or a pre-compiled
* selector function built with Sizzle.compile
* @param {Element} context
* @param {Array} [results]
* @param {Array} [seed] A set of elements to match against
*/
select = Sizzle.select = function( selector, context, results, seed ) { var i, tokens, token, type, find, compiled = typeof selector === "function" && selector, match = !seed && tokenize( (selector = compiled.selector || selector) );
results = results || [];
// Try to minimize operations if there is no seed and only one group if ( match.length === 1 ) {
// Take a shortcut and set the context if the root selector is an ID tokens = match[0] = match[0].slice( 0 ); if ( tokens.length > 2 && (token = tokens[0]).type === "ID" && support.getById && context.nodeType === 9 && documentIsHTML && Expr.relative[ tokens[1].type ] ) {
context = ( Expr.find["ID"]( token.matches[0].replace(runescape, funescape), context ) || [] )[0]; if ( !context ) { return results;
// Precompiled matchers will still verify ancestry, so step up a level } else if ( compiled ) { context = context.parentNode; }
selector = selector.slice( tokens.shift().value.length ); }
// Fetch a seed set for right-to-left matching i = matchExpr["needsContext"].test( selector ) ? 0 : tokens.length; while ( i-- ) { token = tokens[i];
// Abort if we hit a combinator if ( Expr.relative[ (type = token.type) ] ) { break; } if ( (find = Expr.find[ type ]) ) { // Search, expanding context for leading sibling combinators if ( (seed = find( token.matches[0].replace( runescape, funescape ), rsibling.test( tokens[0].type ) && testContext( context.parentNode ) || context )) ) {
// If seed is empty or no tokens remain, we can return early tokens.splice( i, 1 ); selector = seed.length && toSelector( tokens ); if ( !selector ) { push.apply( results, seed ); return results; }
break; } } } }
// Compile and execute a filtering function if one is not provided // Provide `match` to avoid retokenization if we modified the selector above ( compiled || compile( selector, match ) )( seed, context, !documentIsHTML, results, rsibling.test( selector ) && testContext( context.parentNode ) || context ); return results; };
// One-time assignments
// Sort stability support.sortStable = expando.split("").sort( sortOrder ).join("") === expando;
// Support: Chrome<14 // Always assume duplicates if they aren't passed to the comparison function support.detectDuplicates = !!hasDuplicate;
// Initialize against the default document setDocument();
// Support: Webkit<537.32 - Safari 6.0.3/Chrome 25 (fixed in Chrome 27) // Detached nodes confoundingly follow *each other* support.sortDetached = assert(function( div1 ) { // Should return 1, but returns 4 (following) return div1.compareDocumentPosition( document.createElement("div") ) & 1; });
// Support: IE<8 // Prevent attribute/property "interpolation" // http://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx if ( !assert(function( div ) { div.innerHTML = "<a href='#'></a>"; return div.firstChild.getAttribute("href") === "#" ; }) ) { addHandle( "type|href|height|width", function( elem, name, isXML ) { if ( !isXML ) { return elem.getAttribute( name, name.toLowerCase() === "type" ? 1 : 2 ); } }); }
// Support: IE<9 // Use defaultValue in place of getAttribute("value") if ( !support.attributes || !assert(function( div ) { div.innerHTML = "<input/>"; div.firstChild.setAttribute( "value", "" ); return div.firstChild.getAttribute( "value" ) === ""; }) ) { addHandle( "value", function( elem, name, isXML ) { if ( !isXML && elem.nodeName.toLowerCase() === "input" ) { return elem.defaultValue; } }); }
// Support: IE<9 // Use getAttributeNode to fetch booleans when getAttribute lies if ( !assert(function( div ) { return div.getAttribute("disabled") == null; }) ) { addHandle( booleans, function( elem, name, isXML ) { var val; if ( !isXML ) { return elem[ name ] === true ? name.toLowerCase() : (val = elem.getAttributeNode( name )) && val.specified ? val.value : null; } }); }
return Sizzle;
})( window );
jQuery.find = Sizzle; jQuery.expr = Sizzle.selectors; jQuery.expr[":"] = jQuery.expr.pseudos; jQuery.unique = Sizzle.uniqueSort; jQuery.text = Sizzle.getText; jQuery.isXMLDoc = Sizzle.isXML; jQuery.contains = Sizzle.contains;
var rneedsContext = jQuery.expr.match.needsContext;
var rsingleTag = (/^<(\w+)\s*\/?>(?:<\/\1>|)$/);
var risSimple = /^.[^:#\[\.,]*$/;
// Implement the identical functionality for filter and not function winnow( elements, qualifier, not ) { if ( jQuery.isFunction( qualifier ) ) { return jQuery.grep( elements, function( elem, i ) { /* jshint -W018 */ return !!qualifier.call( elem, i, elem ) !== not; });
}
if ( qualifier.nodeType ) { return jQuery.grep( elements, function( elem ) { return ( elem === qualifier ) !== not; });
}
if ( typeof qualifier === "string" ) { if ( risSimple.test( qualifier ) ) { return jQuery.filter( qualifier, elements, not ); }
qualifier = jQuery.filter( qualifier, elements ); }
return jQuery.grep( elements, function( elem ) { return ( jQuery.inArray( elem, qualifier ) >= 0 ) !== not; }); }
jQuery.filter = function( expr, elems, not ) { var elem = elems[ 0 ];
if ( not ) { expr = ":not(" + expr + ")"; }
return elems.length === 1 && elem.nodeType === 1 ? jQuery.find.matchesSelector( elem, expr ) ? [ elem ] : [] : jQuery.find.matches( expr, jQuery.grep( elems, function( elem ) { return elem.nodeType === 1; })); };
jQuery.fn.extend({ find: function( selector ) { var i, ret = [], self = this, len = self.length;
if ( typeof selector !== "string" ) { return this.pushStack( jQuery( selector ).filter(function() { for ( i = 0; i < len; i++ ) { if ( jQuery.contains( self[ i ], this ) ) { return true; } } }) ); }
for ( i = 0; i < len; i++ ) { jQuery.find( selector, self[ i ], ret ); }
// Needed because $( selector, context ) becomes $( context ).find( selector ) ret = this.pushStack( len > 1 ? jQuery.unique( ret ) : ret ); ret.selector = this.selector ? this.selector + " " + selector : selector; return ret; }, filter: function( selector ) { return this.pushStack( winnow(this, selector || [], false) ); }, not: function( selector ) { return this.pushStack( winnow(this, selector || [], true) ); }, is: function( selector ) { return !!winnow( this,
// If this is a positional/relative selector, check membership in the returned set // so $("p:first").is("p:last") won't return true for a doc with two "p". typeof selector === "string" && rneedsContext.test( selector ) ? jQuery( selector ) : selector || [], false ).length; } });
// Initialize a jQuery object
// A central reference to the root jQuery(document)
var rootjQuery,
// Use the correct document accordingly with window argument (sandbox) document = window.document,
// A simple way to check for HTML strings // Prioritize #id over <tag> to avoid XSS via location.hash (#9521) // Strict HTML recognition (#11290: must start with <) rquickExpr = /^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]*))$/,
init = jQuery.fn.init = function( selector, context ) { var match, elem;
// HANDLE: $(""), $(null), $(undefined), $(false) if ( !selector ) { return this; }
// Handle HTML strings if ( typeof selector === "string" ) { if ( selector.charAt(0) === "<" && selector.charAt( selector.length - 1 ) === ">" && selector.length >= 3 ) { // Assume that strings that start and end with <> are HTML and skip the regex check match = [ null, selector, null ];
} else { match = rquickExpr.exec( selector ); }
// Match html or make sure no context is specified for #id if ( match && (match[1] || !context) ) {
// HANDLE: $(html) -> $(array) if ( match[1] ) { context = context instanceof jQuery ? context[0] : context;
// scripts is true for back-compat // Intentionally let the error be thrown if parseHTML is not present jQuery.merge( this, jQuery.parseHTML( match[1], context && context.nodeType ? context.ownerDocument || context : document, true ) );
// HANDLE: $(html, props) if ( rsingleTag.test( match[1] ) && jQuery.isPlainObject( context ) ) { for ( match in context ) { // Properties of context are called as methods if possible if ( jQuery.isFunction( this[ match ] ) ) { this[ match ]( context[ match ] );
// ...and otherwise set as attributes } else { this.attr( match, context[ match ] ); } } }
return this;
// HANDLE: $(#id) } else { elem = document.getElementById( match[2] );
// Check parentNode to catch when Blackberry 4.6 returns // nodes that are no longer in the document #6963 if ( elem && elem.parentNode ) { // Handle the case where IE and Opera return items // by name instead of ID if ( elem.id !== match[2] ) { return rootjQuery.find( selector ); }
// Otherwise, we inject the element directly into the jQuery object this.length = 1; this[0] = elem; }
this.context = document; this.selector = selector; return this; }
// HANDLE: $(expr, $(...)) } else if ( !context || context.jquery ) { return ( context || rootjQuery ).find( selector );
// HANDLE: $(expr, context) // (which is just equivalent to: $(context).find(expr) } else { return this.constructor( context ).find( selector ); }
// HANDLE: $(DOMElement) } else if ( selector.nodeType ) { this.context = this[0] = selector; this.length = 1; return this;
// HANDLE: $(function) // Shortcut for document ready } else if ( jQuery.isFunction( selector ) ) { return typeof rootjQuery.ready !== "undefined" ? rootjQuery.ready( selector ) : // Execute immediately if ready is not present selector( jQuery ); }
if ( selector.selector !== undefined ) { this.selector = selector.selector; this.context = selector.context; }
return jQuery.makeArray( selector, this ); };
// Give the init function the jQuery prototype for later instantiation init.prototype = jQuery.fn;
// Initialize central reference rootjQuery = jQuery( document );
var rparentsprev = /^(?:parents|prev(?:Until|All))/,
// methods guaranteed to produce a unique set when starting from a unique set
guaranteedUnique = {
children: true,
contents: true,
next: true,
prev: true
};
jQuery.extend({ dir: function( elem, dir, until ) { var matched = [], cur = elem[ dir ];
while ( cur && cur.nodeType !== 9 && (until === undefined || cur.nodeType !== 1 || !jQuery( cur ).is( until )) ) { if ( cur.nodeType === 1 ) { matched.push( cur ); } cur = cur[dir]; } return matched; },
sibling: function( n, elem ) { var r = [];
for ( ; n; n = n.nextSibling ) { if ( n.nodeType === 1 && n !== elem ) { r.push( n ); } }
return r; } });
jQuery.fn.extend({ has: function( target ) { var i, targets = jQuery( target, this ), len = targets.length;
return this.filter(function() { for ( i = 0; i < len; i++ ) { if ( jQuery.contains( this, targets[i] ) ) { return true; } } }); },
closest: function( selectors, context ) { var cur, i = 0, l = this.length, matched = [], pos = rneedsContext.test( selectors ) || typeof selectors !== "string" ? jQuery( selectors, context || this.context ) : 0;
for ( ; i < l; i++ ) { for ( cur = this[i]; cur && cur !== context; cur = cur.parentNode ) { // Always skip document fragments if ( cur.nodeType < 11 && (pos ? pos.index(cur) > -1 :
// Don't pass non-elements to Sizzle cur.nodeType === 1 && jQuery.find.matchesSelector(cur, selectors)) ) {
matched.push( cur ); break; } } }
return this.pushStack( matched.length > 1 ? jQuery.unique( matched ) : matched ); },
// Determine the position of an element within // the matched set of elements index: function( elem ) {
// No argument, return index in parent if ( !elem ) { return ( this[0] && this[0].parentNode ) ? this.first().prevAll().length : -1; }
// index in selector if ( typeof elem === "string" ) { return jQuery.inArray( this[0], jQuery( elem ) ); }
// Locate the position of the desired element return jQuery.inArray( // If it receives a jQuery object, the first element is used elem.jquery ? elem[0] : elem, this ); },
add: function( selector, context ) { return this.pushStack( jQuery.unique( jQuery.merge( this.get(), jQuery( selector, context ) ) ) ); },
addBack: function( selector ) { return this.add( selector == null ? this.prevObject : this.prevObject.filter(selector) ); } });
function sibling( cur, dir ) { do { cur = cur[ dir ]; } while ( cur && cur.nodeType !== 1 );
return cur; }
jQuery.each({ parent: function( elem ) { var parent = elem.parentNode; return parent && parent.nodeType !== 11 ? parent : null; }, parents: function( elem ) { return jQuery.dir( elem, "parentNode" ); }, parentsUntil: function( elem, i, until ) { return jQuery.dir( elem, "parentNode", until ); }, next: function( elem ) { return sibling( elem, "nextSibling" ); }, prev: function( elem ) { return sibling( elem, "previousSibling" ); }, nextAll: function( elem ) { return jQuery.dir( elem, "nextSibling" ); }, prevAll: function( elem ) { return jQuery.dir( elem, "previousSibling" ); }, nextUntil: function( elem, i, until ) { return jQuery.dir( elem, "nextSibling", until ); }, prevUntil: function( elem, i, until ) { return jQuery.dir( elem, "previousSibling", until ); }, siblings: function( elem ) { return jQuery.sibling( ( elem.parentNode || {} ).firstChild, elem ); }, children: function( elem ) { return jQuery.sibling( elem.firstChild ); }, contents: function( elem ) { return jQuery.nodeName( elem, "iframe" ) ? elem.contentDocument || elem.contentWindow.document : jQuery.merge( [], elem.childNodes ); } }, function( name, fn ) { jQuery.fn[ name ] = function( until, selector ) { var ret = jQuery.map( this, fn, until );
if ( name.slice( -5 ) !== "Until" ) { selector = until; }
if ( selector && typeof selector === "string" ) { ret = jQuery.filter( selector, ret ); }
if ( this.length > 1 ) { // Remove duplicates if ( !guaranteedUnique[ name ] ) { ret = jQuery.unique( ret ); }
// Reverse order for parents* and prev-derivatives if ( rparentsprev.test( name ) ) { ret = ret.reverse(); } }
return this.pushStack( ret ); }; }); var rnotwhite = (/\S+/g);
// String to Object options format cache var optionsCache = {};
// Convert String-formatted options into Object-formatted ones and store in cache function createOptions( options ) { var object = optionsCache[ options ] = {}; jQuery.each( options.match( rnotwhite ) || [], function( _, flag ) { object[ flag ] = true; }); return object; }
/*
* Create a callback list using the following parameters: * * options: an optional list of space-separated options that will change how * the callback list behaves or a more traditional option object * * By default a callback list will act like an event callback list and can be * "fired" multiple times. * * Possible options: * * once: will ensure the callback list can only be fired once (like a Deferred) * * memory: will keep track of previous values and will call any callback added * after the list has been fired right away with the latest "memorized" * values (like a Deferred) * * unique: will ensure a callback can only be added once (no duplicate in the list) * * stopOnFalse: interrupt callings when a callback returns false * */
jQuery.Callbacks = function( options ) {
// Convert options from String-formatted to Object-formatted if needed // (we check in cache first) options = typeof options === "string" ? ( optionsCache[ options ] || createOptions( options ) ) : jQuery.extend( {}, options );
var // Flag to know if list is currently firing firing, // Last fire value (for non-forgettable lists) memory, // Flag to know if list was already fired fired, // End of the loop when firing firingLength, // Index of currently firing callback (modified by remove if needed) firingIndex, // First callback to fire (used internally by add and fireWith) firingStart, // Actual callback list list = [], // Stack of fire calls for repeatable lists stack = !options.once && [], // Fire callbacks fire = function( data ) { memory = options.memory && data; fired = true; firingIndex = firingStart || 0; firingStart = 0; firingLength = list.length; firing = true; for ( ; list && firingIndex < firingLength; firingIndex++ ) { if ( list[ firingIndex ].apply( data[ 0 ], data[ 1 ] ) === false && options.stopOnFalse ) { memory = false; // To prevent further calls using add break; } } firing = false; if ( list ) { if ( stack ) { if ( stack.length ) { fire( stack.shift() ); } } else if ( memory ) { list = []; } else { self.disable(); } } }, // Actual Callbacks object self = { // Add a callback or a collection of callbacks to the list add: function() { if ( list ) { // First, we save the current length var start = list.length; (function add( args ) { jQuery.each( args, function( _, arg ) { var type = jQuery.type( arg ); if ( type === "function" ) { if ( !options.unique || !self.has( arg ) ) { list.push( arg ); } } else if ( arg && arg.length && type !== "string" ) { // Inspect recursively add( arg ); } }); })( arguments ); // Do we need to add the callbacks to the // current firing batch? if ( firing ) { firingLength = list.length; // With memory, if we're not firing then // we should call right away } else if ( memory ) { firingStart = start; fire( memory ); } } return this; }, // Remove a callback from the list remove: function() { if ( list ) { jQuery.each( arguments, function( _, arg ) { var index; while ( ( index = jQuery.inArray( arg, list, index ) ) > -1 ) { list.splice( index, 1 ); // Handle firing indexes if ( firing ) { if ( index <= firingLength ) { firingLength--; } if ( index <= firingIndex ) { firingIndex--; } } } }); } return this; }, // Check if a given callback is in the list. // If no argument is given, return whether or not list has callbacks attached. has: function( fn ) { return fn ? jQuery.inArray( fn, list ) > -1 : !!( list && list.length ); }, // Remove all callbacks from the list empty: function() { list = []; firingLength = 0; return this; }, // Have the list do nothing anymore disable: function() { list = stack = memory = undefined; return this; }, // Is it disabled? disabled: function() { return !list; }, // Lock the list in its current state lock: function() { stack = undefined; if ( !memory ) { self.disable(); } return this; }, // Is it locked? locked: function() { return !stack; }, // Call all callbacks with the given context and arguments fireWith: function( context, args ) { if ( list && ( !fired || stack ) ) { args = args || []; args = [ context, args.slice ? args.slice() : args ]; if ( firing ) { stack.push( args ); } else { fire( args ); } } return this; }, // Call all the callbacks with the given arguments fire: function() { self.fireWith( this, arguments ); return this; }, // To know if the callbacks have already been called at least once fired: function() { return !!fired; } };
return self; };
jQuery.extend({
Deferred: function( func ) { var tuples = [ // action, add listener, listener list, final state [ "resolve", "done", jQuery.Callbacks("once memory"), "resolved" ], [ "reject", "fail", jQuery.Callbacks("once memory"), "rejected" ], [ "notify", "progress", jQuery.Callbacks("memory") ] ], state = "pending", promise = { state: function() { return state; }, always: function() { deferred.done( arguments ).fail( arguments ); return this; }, then: function( /* fnDone, fnFail, fnProgress */ ) { var fns = arguments; return jQuery.Deferred(function( newDefer ) { jQuery.each( tuples, function( i, tuple ) { var fn = jQuery.isFunction( fns[ i ] ) && fns[ i ]; // deferred[ done | fail | progress ] for forwarding actions to newDefer deferred[ tuple[1] ](function() { var returned = fn && fn.apply( this, arguments ); if ( returned && jQuery.isFunction( returned.promise ) ) { returned.promise() .done( newDefer.resolve ) .fail( newDefer.reject ) .progress( newDefer.notify ); } else { newDefer[ tuple[ 0 ] + "With" ]( this === promise ? newDefer.promise() : this, fn ? [ returned ] : arguments ); } }); }); fns = null; }).promise(); }, // Get a promise for this deferred // If obj is provided, the promise aspect is added to the object promise: function( obj ) { return obj != null ? jQuery.extend( obj, promise ) : promise; } }, deferred = {};
// Keep pipe for back-compat promise.pipe = promise.then;
// Add list-specific methods jQuery.each( tuples, function( i, tuple ) { var list = tuple[ 2 ], stateString = tuple[ 3 ];
// promise[ done | fail | progress ] = list.add promise[ tuple[1] ] = list.add;
// Handle state if ( stateString ) { list.add(function() { // state = [ resolved | rejected ] state = stateString;
// [ reject_list | resolve_list ].disable; progress_list.lock }, tuples[ i ^ 1 ][ 2 ].disable, tuples[ 2 ][ 2 ].lock ); }
// deferred[ resolve | reject | notify ] deferred[ tuple[0] ] = function() { deferred[ tuple[0] + "With" ]( this === deferred ? promise : this, arguments ); return this; }; deferred[ tuple[0] + "With" ] = list.fireWith; });
// Make the deferred a promise promise.promise( deferred );
// Call given func if any if ( func ) { func.call( deferred, deferred ); }
// All done! return deferred; },
// Deferred helper when: function( subordinate /* , ..., subordinateN */ ) { var i = 0, resolveValues = slice.call( arguments ), length = resolveValues.length,
// the count of uncompleted subordinates remaining = length !== 1 || ( subordinate && jQuery.isFunction( subordinate.promise ) ) ? length : 0,
// the master Deferred. If resolveValues consist of only a single Deferred, just use that. deferred = remaining === 1 ? subordinate : jQuery.Deferred(),
// Update function for both resolve and progress values updateFunc = function( i, contexts, values ) { return function( value ) { contexts[ i ] = this; values[ i ] = arguments.length > 1 ? slice.call( arguments ) : value; if ( values === progressValues ) { deferred.notifyWith( contexts, values );
} else if ( !(--remaining) ) { deferred.resolveWith( contexts, values ); } }; },
progressValues, progressContexts, resolveContexts;
// add listeners to Deferred subordinates; treat others as resolved if ( length > 1 ) { progressValues = new Array( length ); progressContexts = new Array( length ); resolveContexts = new Array( length ); for ( ; i < length; i++ ) { if ( resolveValues[ i ] && jQuery.isFunction( resolveValues[ i ].promise ) ) { resolveValues[ i ].promise() .done( updateFunc( i, resolveContexts, resolveValues ) ) .fail( deferred.reject ) .progress( updateFunc( i, progressContexts, progressValues ) ); } else { --remaining; } } }
// if we're not waiting on anything, resolve the master if ( !remaining ) { deferred.resolveWith( resolveContexts, resolveValues ); }
return deferred.promise(); } });
// The deferred used on DOM ready
var readyList;
jQuery.fn.ready = function( fn ) { // Add the callback jQuery.ready.promise().done( fn );
return this; };
jQuery.extend({ // Is the DOM ready to be used? Set to true once it occurs. isReady: false,
// A counter to track how many items to wait for before // the ready event fires. See #6781 readyWait: 1,
// Hold (or release) the ready event holdReady: function( hold ) { if ( hold ) { jQuery.readyWait++; } else { jQuery.ready( true ); } },
// Handle when the DOM is ready ready: function( wait ) {
// Abort if there are pending holds or we're already ready if ( wait === true ? --jQuery.readyWait : jQuery.isReady ) { return; }
// Make sure body exists, at least, in case IE gets a little overzealous (ticket #5443). if ( !document.body ) { return setTimeout( jQuery.ready ); }
// Remember that the DOM is ready jQuery.isReady = true;
// If a normal DOM Ready event fired, decrement, and wait if need be if ( wait !== true && --jQuery.readyWait > 0 ) { return; }
// If there are functions bound, to execute readyList.resolveWith( document, [ jQuery ] );
// Trigger any bound ready events if ( jQuery.fn.triggerHandler ) { jQuery( document ).triggerHandler( "ready" ); jQuery( document ).off( "ready" ); } } });
/**
* Clean-up method for dom ready events */
function detach() { if ( document.addEventListener ) { document.removeEventListener( "DOMContentLoaded", completed, false ); window.removeEventListener( "load", completed, false );
} else { document.detachEvent( "onreadystatechange", completed ); window.detachEvent( "onload", completed ); } }
/**
* The ready event handler and self cleanup method */
function completed() { // readyState === "complete" is good enough for us to call the dom ready in oldIE if ( document.addEventListener || event.type === "load" || document.readyState === "complete" ) { detach(); jQuery.ready(); } }
jQuery.ready.promise = function( obj ) { if ( !readyList ) {
readyList = jQuery.Deferred();
// Catch cases where $(document).ready() is called after the browser event has already occurred. // we once tried to use readyState "interactive" here, but it caused issues like the one // discovered by ChrisS here: http://bugs.jquery.com/ticket/12282#comment:15 if ( document.readyState === "complete" ) { // Handle it asynchronously to allow scripts the opportunity to delay ready setTimeout( jQuery.ready );
// Standards-based browsers support DOMContentLoaded } else if ( document.addEventListener ) { // Use the handy event callback document.addEventListener( "DOMContentLoaded", completed, false );
// A fallback to window.onload, that will always work window.addEventListener( "load", completed, false );
// If IE event model is used } else { // Ensure firing before onload, maybe late but safe also for iframes document.attachEvent( "onreadystatechange", completed );
// A fallback to window.onload, that will always work window.attachEvent( "onload", completed );
// If IE and not a frame // continually check to see if the document is ready var top = false;
try { top = window.frameElement == null && document.documentElement; } catch(e) {}
if ( top && top.doScroll ) { (function doScrollCheck() { if ( !jQuery.isReady ) {
try { // Use the trick by Diego Perini // http://javascript.nwbox.com/IEContentLoaded/ top.doScroll("left"); } catch(e) { return setTimeout( doScrollCheck, 50 ); }
// detach all dom ready events detach();
// and execute any waiting functions jQuery.ready(); } })(); } } } return readyList.promise( obj ); };
var strundefined = typeof undefined;
// Support: IE<9 // Iteration over object's inherited properties before its own var i; for ( i in jQuery( support ) ) { break; } support.ownLast = i !== "0";
// Note: most support tests are defined in their respective modules. // false until the test is run support.inlineBlockNeedsLayout = false;
// Execute ASAP in case we need to set body.style.zoom jQuery(function() { // Minified: var a,b,c,d var val, div, body, container;
body = document.getElementsByTagName( "body" )[ 0 ]; if ( !body || !body.style ) { // Return for frameset docs that don't have a body return; }
// Setup div = document.createElement( "div" ); container = document.createElement( "div" ); container.style.cssText = "position:absolute;border:0;width:0;height:0;top:0;left:-9999px"; body.appendChild( container ).appendChild( div );
if ( typeof div.style.zoom !== strundefined ) { // Support: IE<8 // Check if natively block-level elements act like inline-block // elements when setting their display to 'inline' and giving // them layout div.style.cssText = "display:inline;margin:0;border:0;padding:1px;width:1px;zoom:1";
support.inlineBlockNeedsLayout = val = div.offsetWidth === 3; if ( val ) { // Prevent IE 6 from affecting layout for positioned elements #11048 // Prevent IE from shrinking the body in IE 7 mode #12869 // Support: IE<8 body.style.zoom = 1; } }
body.removeChild( container ); });
(function() {
var div = document.createElement( "div" );
// Execute the test only if not already executed in another module. if (support.deleteExpando == null) { // Support: IE<9 support.deleteExpando = true; try { delete div.test; } catch( e ) { support.deleteExpando = false; } }
// Null elements to avoid leaks in IE. div = null; })();
/**
* Determines whether an object can have data */
jQuery.acceptData = function( elem ) { var noData = jQuery.noData[ (elem.nodeName + " ").toLowerCase() ], nodeType = +elem.nodeType || 1;
// Do not set data on non-element DOM nodes because it will not be cleared (#8335). return nodeType !== 1 && nodeType !== 9 ? false :
// Nodes accept data unless otherwise specified; rejection can be conditional !noData || noData !== true && elem.getAttribute("classid") === noData; };
var rbrace = /^(?:\{[\w\W]*\}|\[[\w\W]*\])$/,
rmultiDash = /([A-Z])/g;
function dataAttr( elem, key, data ) { // If nothing was found internally, try to fetch any // data from the HTML5 data-* attribute if ( data === undefined && elem.nodeType === 1 ) {
var name = "data-" + key.replace( rmultiDash, "-$1" ).toLowerCase();
data = elem.getAttribute( name );
if ( typeof data === "string" ) { try { data = data === "true" ? true : data === "false" ? false : data === "null" ? null : // Only convert to a number if it doesn't change the string +data + "" === data ? +data : rbrace.test( data ) ? jQuery.parseJSON( data ) : data; } catch( e ) {}
// Make sure we set the data so it isn't changed later jQuery.data( elem, key, data );
} else { data = undefined; } }
return data; }
// checks a cache object for emptiness function isEmptyDataObject( obj ) { var name; for ( name in obj ) {
// if the public data object is empty, the private is still empty if ( name === "data" && jQuery.isEmptyObject( obj[name] ) ) { continue; } if ( name !== "toJSON" ) { return false; } }
return true; }
function internalData( elem, name, data, pvt /* Internal Use Only */ ) { if ( !jQuery.acceptData( elem ) ) { return; }
var ret, thisCache, internalKey = jQuery.expando,
// We have to handle DOM nodes and JS objects differently because IE6-7 // can't GC object references properly across the DOM-JS boundary isNode = elem.nodeType,
// Only DOM nodes need the global jQuery cache; JS object data is // attached directly to the object so GC can occur automatically cache = isNode ? jQuery.cache : elem,
// Only defining an ID for JS objects if its cache already exists allows // the code to shortcut on the same path as a DOM node with no cache id = isNode ? elem[ internalKey ] : elem[ internalKey ] && internalKey;
// Avoid doing any more work than we need to when trying to get data on an // object that has no data at all if ( (!id || !cache[id] || (!pvt && !cache[id].data)) && data === undefined && typeof name === "string" ) { return; }
if ( !id ) { // Only DOM nodes need a new unique ID for each element since their data // ends up in the global cache if ( isNode ) { id = elem[ internalKey ] = deletedIds.pop() || jQuery.guid++; } else { id = internalKey; } }
if ( !cache[ id ] ) { // Avoid exposing jQuery metadata on plain JS objects when the object // is serialized using JSON.stringify cache[ id ] = isNode ? {} : { toJSON: jQuery.noop }; }
// An object can be passed to jQuery.data instead of a key/value pair; this gets // shallow copied over onto the existing cache if ( typeof name === "object" || typeof name === "function" ) { if ( pvt ) { cache[ id ] = jQuery.extend( cache[ id ], name ); } else { cache[ id ].data = jQuery.extend( cache[ id ].data, name ); } }
thisCache = cache[ id ];
// jQuery data() is stored in a separate object inside the object's internal data // cache in order to avoid key collisions between internal data and user-defined // data. if ( !pvt ) { if ( !thisCache.data ) { thisCache.data = {}; }
thisCache = thisCache.data; }
if ( data !== undefined ) { thisCache[ jQuery.camelCase( name ) ] = data; }
// Check for both converted-to-camel and non-converted data property names // If a data property was specified if ( typeof name === "string" ) {
// First Try to find as-is property data ret = thisCache[ name ];
// Test for null|undefined property data if ( ret == null ) {
// Try to find the camelCased property ret = thisCache[ jQuery.camelCase( name ) ]; } } else { ret = thisCache; }
return ret; }
function internalRemoveData( elem, name, pvt ) { if ( !jQuery.acceptData( elem ) ) { return; }
var thisCache, i, isNode = elem.nodeType,
// See jQuery.data for more information cache = isNode ? jQuery.cache : elem, id = isNode ? elem[ jQuery.expando ] : jQuery.expando;
// If there is already no cache entry for this object, there is no // purpose in continuing if ( !cache[ id ] ) { return; }
if ( name ) {
thisCache = pvt ? cache[ id ] : cache[ id ].data;
if ( thisCache ) {
// Support array or space separated string names for data keys if ( !jQuery.isArray( name ) ) {
// try the string as a key before any manipulation if ( name in thisCache ) { name = [ name ]; } else {
// split the camel cased version by spaces unless a key with the spaces exists name = jQuery.camelCase( name ); if ( name in thisCache ) { name = [ name ]; } else { name = name.split(" "); } } } else { // If "name" is an array of keys... // When data is initially created, via ("key", "val") signature, // keys will be converted to camelCase. // Since there is no way to tell _how_ a key was added, remove // both plain key and camelCase key. #12786 // This will only penalize the array argument path. name = name.concat( jQuery.map( name, jQuery.camelCase ) ); }
i = name.length; while ( i-- ) { delete thisCache[ name[i] ]; }
// If there is no data left in the cache, we want to continue // and let the cache object itself get destroyed if ( pvt ? !isEmptyDataObject(thisCache) : !jQuery.isEmptyObject(thisCache) ) { return; } } }
// See jQuery.data for more information if ( !pvt ) { delete cache[ id ].data;
// Don't destroy the parent cache unless the internal data object // had been the only thing left in it if ( !isEmptyDataObject( cache[ id ] ) ) { return; } }
// Destroy the cache if ( isNode ) { jQuery.cleanData( [ elem ], true );
// Use delete when supported for expandos or `cache` is not a window per isWindow (#10080) /* jshint eqeqeq: false */ } else if ( support.deleteExpando || cache != cache.window ) { /* jshint eqeqeq: true */ delete cache[ id ];
// When all else fails, null } else { cache[ id ] = null; } }
jQuery.extend({ cache: {},
// The following elements (space-suffixed to avoid Object.prototype collisions) // throw uncatchable exceptions if you attempt to set expando properties noData: { "applet ": true, "embed ": true, // ...but Flash objects (which have this classid) *can* handle expandos "object ": "clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" },
hasData: function( elem ) { elem = elem.nodeType ? jQuery.cache[ elem[jQuery.expando] ] : elem[ jQuery.expando ]; return !!elem && !isEmptyDataObject( elem ); },
data: function( elem, name, data ) { return internalData( elem, name, data ); },
removeData: function( elem, name ) { return internalRemoveData( elem, name ); },
// For internal use only. _data: function( elem, name, data ) { return internalData( elem, name, data, true ); },
_removeData: function( elem, name ) { return internalRemoveData( elem, name, true ); } });
jQuery.fn.extend({ data: function( key, value ) { var i, name, data, elem = this[0], attrs = elem && elem.attributes;
// Special expections of .data basically thwart jQuery.access, // so implement the relevant behavior ourselves
// Gets all values if ( key === undefined ) { if ( this.length ) { data = jQuery.data( elem );
if ( elem.nodeType === 1 && !jQuery._data( elem, "parsedAttrs" ) ) { i = attrs.length; while ( i-- ) {
// Support: IE11+ // The attrs elements can be null (#14894) if ( attrs[ i ] ) { name = attrs[ i ].name; if ( name.indexOf( "data-" ) === 0 ) { name = jQuery.camelCase( name.slice(5) ); dataAttr( elem, name, data[ name ] ); } } } jQuery._data( elem, "parsedAttrs", true ); } }
return data; }
// Sets multiple values if ( typeof key === "object" ) { return this.each(function() { jQuery.data( this, key ); }); }
return arguments.length > 1 ?
// Sets one value this.each(function() { jQuery.data( this, key, value ); }) :
// Gets one value // Try to fetch any internally stored data first elem ? dataAttr( elem, key, jQuery.data( elem, key ) ) : undefined; },
removeData: function( key ) { return this.each(function() { jQuery.removeData( this, key ); }); } });
jQuery.extend({
queue: function( elem, type, data ) {
var queue;
if ( elem ) { type = ( type || "fx" ) + "queue"; queue = jQuery._data( elem, type );
// Speed up dequeue by getting out quickly if this is just a lookup if ( data ) { if ( !queue || jQuery.isArray(data) ) { queue = jQuery._data( elem, type, jQuery.makeArray(data) ); } else { queue.push( data ); } } return queue || []; } },
dequeue: function( elem, type ) { type = type || "fx";
var queue = jQuery.queue( elem, type ), startLength = queue.length, fn = queue.shift(), hooks = jQuery._queueHooks( elem, type ), next = function() { jQuery.dequeue( elem, type ); };
// If the fx queue is dequeued, always remove the progress sentinel if ( fn === "inprogress" ) { fn = queue.shift(); startLength--; }
if ( fn ) {
// Add a progress sentinel to prevent the fx queue from being // automatically dequeued if ( type === "fx" ) { queue.unshift( "inprogress" ); }
// clear up the last queue stop function delete hooks.stop; fn.call( elem, next, hooks ); }
if ( !startLength && hooks ) { hooks.empty.fire(); } },
// not intended for public consumption - generates a queueHooks object, or returns the current one _queueHooks: function( elem, type ) { var key = type + "queueHooks"; return jQuery._data( elem, key ) || jQuery._data( elem, key, { empty: jQuery.Callbacks("once memory").add(function() { jQuery._removeData( elem, type + "queue" ); jQuery._removeData( elem, key ); }) }); } });
jQuery.fn.extend({ queue: function( type, data ) { var setter = 2;
if ( typeof type !== "string" ) { data = type; type = "fx"; setter--; }
if ( arguments.length < setter ) { return jQuery.queue( this[0], type ); }
return data === undefined ? this : this.each(function() { var queue = jQuery.queue( this, type, data );
// ensure a hooks for this queue jQuery._queueHooks( this, type );
if ( type === "fx" && queue[0] !== "inprogress" ) { jQuery.dequeue( this, type ); } }); }, dequeue: function( type ) { return this.each(function() { jQuery.dequeue( this, type ); }); }, clearQueue: function( type ) { return this.queue( type || "fx", [] ); }, // Get a promise resolved when queues of a certain type // are emptied (fx is the type by default) promise: function( type, obj ) { var tmp, count = 1, defer = jQuery.Deferred(), elements = this, i = this.length, resolve = function() { if ( !( --count ) ) { defer.resolveWith( elements, [ elements ] ); } };
if ( typeof type !== "string" ) { obj = type; type = undefined; } type = type || "fx";
while ( i-- ) { tmp = jQuery._data( elements[ i ], type + "queueHooks" ); if ( tmp && tmp.empty ) { count++; tmp.empty.add( resolve ); } } resolve(); return defer.promise( obj ); } }); var pnum = (/[+-]?(?:\d*\.|)\d+(?:[eE][+-]?\d+|)/).source;
var cssExpand = [ "Top", "Right", "Bottom", "Left" ];
var isHidden = function( elem, el ) { // isHidden might be called from jQuery#filter function; // in that case, element will be second argument elem = el || elem; return jQuery.css( elem, "display" ) === "none" || !jQuery.contains( elem.ownerDocument, elem ); };
// Multifunctional method to get and set values of a collection // The value/s can optionally be executed if it's a function var access = jQuery.access = function( elems, fn, key, value, chainable, emptyGet, raw ) { var i = 0, length = elems.length, bulk = key == null;
// Sets many values if ( jQuery.type( key ) === "object" ) { chainable = true; for ( i in key ) { jQuery.access( elems, fn, i, key[i], true, emptyGet, raw ); }
// Sets one value } else if ( value !== undefined ) { chainable = true;
if ( !jQuery.isFunction( value ) ) { raw = true; }
if ( bulk ) { // Bulk operations run against the entire set if ( raw ) { fn.call( elems, value ); fn = null;
// ...except when executing function values } else { bulk = fn; fn = function( elem, key, value ) { return bulk.call( jQuery( elem ), value ); }; } }
if ( fn ) { for ( ; i < length; i++ ) { fn( elems[i], key, raw ? value : value.call( elems[i], i, fn( elems[i], key ) ) ); } } }
return chainable ? elems :
// Gets bulk ? fn.call( elems ) : length ? fn( elems[0], key ) : emptyGet; }; var rcheckableType = (/^(?:checkbox|radio)$/i);
(function() { // Minified: var a,b,c var input = document.createElement( "input" ), div = document.createElement( "div" ), fragment = document.createDocumentFragment();
// Setup
div.innerHTML = " <link/>// IE strips leading whitespace when .innerHTML is used support.leadingWhitespace = div.firstChild.nodeType === 3;
// Make sure that tbody elements aren't automatically inserted // IE will insert them into empty tables support.tbody = !div.getElementsByTagName( "tbody" ).length;
// Make sure that link elements get serialized correctly by innerHTML // This requires a wrapper element in IE support.htmlSerialize = !!div.getElementsByTagName( "link" ).length;
// Makes sure cloning an html5 element does not cause problems // Where outerHTML is undefined, this still works support.html5Clone = document.createElement( "nav" ).cloneNode( true ).outerHTML !== "<:nav></:nav>";
// Check if a disconnected checkbox will retain its checked // value of true after appended to the DOM (IE6/7) input.type = "checkbox"; input.checked = true; fragment.appendChild( input ); support.appendChecked = input.checked;
// Make sure textarea (and checkbox) defaultValue is properly cloned // Support: IE6-IE11+ div.innerHTML = "<textarea>x</textarea>"; support.noCloneChecked = !!div.cloneNode( true ).lastChild.defaultValue;
// #11217 - WebKit loses check when the name is after the checked attribute fragment.appendChild( div ); div.innerHTML = "<input type='radio' checked='checked' name='t'/>";
// Support: Safari 5.1, iOS 5.1, Android 4.x, Android 2.3 // old WebKit doesn't clone checked state correctly in fragments support.checkClone = div.cloneNode( true ).cloneNode( true ).lastChild.checked;
// Support: IE<9 // Opera does not clone events (and typeof div.attachEvent === undefined). // IE9-10 clones events bound via attachEvent, but they don't trigger with .click() support.noCloneEvent = true; if ( div.attachEvent ) { div.attachEvent( "onclick", function() { support.noCloneEvent = false; });
div.cloneNode( true ).click(); }
// Execute the test only if not already executed in another module. if (support.deleteExpando == null) { // Support: IE<9 support.deleteExpando = true; try { delete div.test; } catch( e ) { support.deleteExpando = false; } } })();
(function() {
var i, eventName,
div = document.createElement( "div" );
// Support: IE<9 (lack submit/change bubble), Firefox 23+ (lack focusin event) for ( i in { submit: true, change: true, focusin: true }) { eventName = "on" + i;
if ( !(support[ i + "Bubbles" ] = eventName in window) ) { // Beware of CSP restrictions (https://developer.mozilla.org/en/Security/CSP) div.setAttribute( eventName, "t" ); support[ i + "Bubbles" ] = div.attributes[ eventName ].expando === false; } }
// Null elements to avoid leaks in IE. div = null; })();
var rformElems = /^(?:input|select|textarea)$/i,
rkeyEvent = /^key/,
rmouseEvent = /^(?:mouse|pointer|contextmenu)|click/,
rfocusMorph = /^(?:focusinfocus|focusoutblur)$/,
rtypenamespace = /^([^.]*)(?:\.(.+)|)$/;
function returnTrue() { return true; }
function returnFalse() { return false; }
function safeActiveElement() { try { return document.activeElement; } catch ( err ) { } }
/*
* Helper functions for managing events -- not part of the public interface. * Props to Dean Edwards' addEvent library for many of the ideas. */
jQuery.event = {
global: {},
add: function( elem, types, handler, data, selector ) { var tmp, events, t, handleObjIn, special, eventHandle, handleObj, handlers, type, namespaces, origType, elemData = jQuery._data( elem );
// Don't attach events to noData or text/comment nodes (but allow plain objects) if ( !elemData ) { return; }
// Caller can pass in an object of custom data in lieu of the handler if ( handler.handler ) { handleObjIn = handler; handler = handleObjIn.handler; selector = handleObjIn.selector; }
// Make sure that the handler has a unique ID, used to find/remove it later if ( !handler.guid ) { handler.guid = jQuery.guid++; }
// Init the element's event structure and main handler, if this is the first if ( !(events = elemData.events) ) { events = elemData.events = {}; } if ( !(eventHandle = elemData.handle) ) { eventHandle = elemData.handle = function( e ) { // Discard the second event of a jQuery.event.trigger() and // when an event is called after a page has unloaded return typeof jQuery !== strundefined && (!e || jQuery.event.triggered !== e.type) ? jQuery.event.dispatch.apply( eventHandle.elem, arguments ) : undefined; }; // Add elem as a property of the handle fn to prevent a memory leak with IE non-native events eventHandle.elem = elem; }
// Handle multiple events separated by a space types = ( types || "" ).match( rnotwhite ) || [ "" ]; t = types.length; while ( t-- ) { tmp = rtypenamespace.exec( types[t] ) || []; type = origType = tmp[1]; namespaces = ( tmp[2] || "" ).split( "." ).sort();
// There *must* be a type, no attaching namespace-only handlers if ( !type ) { continue; }
// If event changes its type, use the special event handlers for the changed type special = jQuery.event.special[ type ] || {};
// If selector defined, determine special event api type, otherwise given type type = ( selector ? special.delegateType : special.bindType ) || type;
// Update special based on newly reset type special = jQuery.event.special[ type ] || {};
// handleObj is passed to all event handlers handleObj = jQuery.extend({ type: type, origType: origType, data: data, handler: handler, guid: handler.guid, selector: selector, needsContext: selector && jQuery.expr.match.needsContext.test( selector ), namespace: namespaces.join(".") }, handleObjIn );
// Init the event handler queue if we're the first if ( !(handlers = events[ type ]) ) { handlers = events[ type ] = []; handlers.delegateCount = 0;
// Only use addEventListener/attachEvent if the special events handler returns false if ( !special.setup || special.setup.call( elem, data, namespaces, eventHandle ) === false ) { // Bind the global event handler to the element if ( elem.addEventListener ) { elem.addEventListener( type, eventHandle, false );
} else if ( elem.attachEvent ) { elem.attachEvent( "on" + type, eventHandle ); } } }
if ( special.add ) { special.add.call( elem, handleObj );
if ( !handleObj.handler.guid ) { handleObj.handler.guid = handler.guid; } }
// Add to the element's handler list, delegates in front if ( selector ) { handlers.splice( handlers.delegateCount++, 0, handleObj ); } else { handlers.push( handleObj ); }
// Keep track of which events have ever been used, for event optimization jQuery.event.global[ type ] = true; }
// Nullify elem to prevent memory leaks in IE elem = null; },
// Detach an event or set of events from an element remove: function( elem, types, handler, selector, mappedTypes ) { var j, handleObj, tmp, origCount, t, events, special, handlers, type, namespaces, origType, elemData = jQuery.hasData( elem ) && jQuery._data( elem );
if ( !elemData || !(events = elemData.events) ) { return; }
// Once for each type.namespace in types; type may be omitted types = ( types || "" ).match( rnotwhite ) || [ "" ]; t = types.length; while ( t-- ) { tmp = rtypenamespace.exec( types[t] ) || []; type = origType = tmp[1]; namespaces = ( tmp[2] || "" ).split( "." ).sort();
// Unbind all events (on this namespace, if provided) for the element if ( !type ) { for ( type in events ) { jQuery.event.remove( elem, type + types[ t ], handler, selector, true ); } continue; }
special = jQuery.event.special[ type ] || {}; type = ( selector ? special.delegateType : special.bindType ) || type; handlers = events[ type ] || []; tmp = tmp[2] && new RegExp( "(^|\\.)" + namespaces.join("\\.(?:.*\\.|)") + "(\\.|$)" );
// Remove matching events origCount = j = handlers.length; while ( j-- ) { handleObj = handlers[ j ];
if ( ( mappedTypes || origType === handleObj.origType ) && ( !handler || handler.guid === handleObj.guid ) && ( !tmp || tmp.test( handleObj.namespace ) ) && ( !selector || selector === handleObj.selector || selector === "**" && handleObj.selector ) ) { handlers.splice( j, 1 );
if ( handleObj.selector ) { handlers.delegateCount--; } if ( special.remove ) { special.remove.call( elem, handleObj ); } } }
// Remove generic event handler if we removed something and no more handlers exist // (avoids potential for endless recursion during removal of special event handlers) if ( origCount && !handlers.length ) { if ( !special.teardown || special.teardown.call( elem, namespaces, elemData.handle ) === false ) { jQuery.removeEvent( elem, type, elemData.handle ); }
delete events[ type ]; } }
// Remove the expando if it's no longer used if ( jQuery.isEmptyObject( events ) ) { delete elemData.handle;
// removeData also checks for emptiness and clears the expando if empty // so use it instead of delete jQuery._removeData( elem, "events" ); } },
trigger: function( event, data, elem, onlyHandlers ) { var handle, ontype, cur, bubbleType, special, tmp, i, eventPath = [ elem || document ], type = hasOwn.call( event, "type" ) ? event.type : event, namespaces = hasOwn.call( event, "namespace" ) ? event.namespace.split(".") : [];
cur = tmp = elem = elem || document;
// Don't do events on text and comment nodes if ( elem.nodeType === 3 || elem.nodeType === 8 ) { return; }
// focus/blur morphs to focusin/out; ensure we're not firing them right now if ( rfocusMorph.test( type + jQuery.event.triggered ) ) { return; }
if ( type.indexOf(".") >= 0 ) { // Namespaced trigger; create a regexp to match event type in handle() namespaces = type.split("."); type = namespaces.shift(); namespaces.sort(); } ontype = type.indexOf(":") < 0 && "on" + type;
// Caller can pass in a jQuery.Event object, Object, or just an event type string event = event[ jQuery.expando ] ? event : new jQuery.Event( type, typeof event === "object" && event );
// Trigger bitmask: & 1 for native handlers; & 2 for jQuery (always true) event.isTrigger = onlyHandlers ? 2 : 3; event.namespace = namespaces.join("."); event.namespace_re = event.namespace ? new RegExp( "(^|\\.)" + namespaces.join("\\.(?:.*\\.|)") + "(\\.|$)" ) : null;
// Clean up the event in case it is being reused event.result = undefined; if ( !event.target ) { event.target = elem; }
// Clone any incoming data and prepend the event, creating the handler arg list data = data == null ? [ event ] : jQuery.makeArray( data, [ event ] );
// Allow special events to draw outside the lines special = jQuery.event.special[ type ] || {}; if ( !onlyHandlers && special.trigger && special.trigger.apply( elem, data ) === false ) { return; }
// Determine event propagation path in advance, per W3C events spec (#9951) // Bubble up to document, then to window; watch for a global ownerDocument var (#9724) if ( !onlyHandlers && !special.noBubble && !jQuery.isWindow( elem ) ) {
bubbleType = special.delegateType || type; if ( !rfocusMorph.test( bubbleType + type ) ) { cur = cur.parentNode; } for ( ; cur; cur = cur.parentNode ) { eventPath.push( cur ); tmp = cur; }
// Only add window if we got to document (e.g., not plain obj or detached DOM) if ( tmp === (elem.ownerDocument || document) ) { eventPath.push( tmp.defaultView || tmp.parentWindow || window ); } }
// Fire handlers on the event path i = 0; while ( (cur = eventPath[i++]) && !event.isPropagationStopped() ) {
event.type = i > 1 ? bubbleType : special.bindType || type;
// jQuery handler handle = ( jQuery._data( cur, "events" ) || {} )[ event.type ] && jQuery._data( cur, "handle" ); if ( handle ) { handle.apply( cur, data ); }
// Native handler handle = ontype && cur[ ontype ]; if ( handle && handle.apply && jQuery.acceptData( cur ) ) { event.result = handle.apply( cur, data ); if ( event.result === false ) { event.preventDefault(); } } } event.type = type;
// If nobody prevented the default action, do it now if ( !onlyHandlers && !event.isDefaultPrevented() ) {
if ( (!special._default || special._default.apply( eventPath.pop(), data ) === false) && jQuery.acceptData( elem ) ) {
// Call a native DOM method on the target with the same name name as the event. // Can't use an .isFunction() check here because IE6/7 fails that test. // Don't do default actions on window, that's where global variables be (#6170) if ( ontype && elem[ type ] && !jQuery.isWindow( elem ) ) {
// Don't re-trigger an onFOO event when we call its FOO() method tmp = elem[ ontype ];
if ( tmp ) { elem[ ontype ] = null; }
// Prevent re-triggering of the same event, since we already bubbled it above jQuery.event.triggered = type; try { elem[ type ](); } catch ( e ) { // IE<9 dies on focus/blur to hidden element (#1486,#12518) // only reproducible on winXP IE8 native, not IE9 in IE8 mode } jQuery.event.triggered = undefined;
if ( tmp ) { elem[ ontype ] = tmp; } } } }
return event.result; },
dispatch: function( event ) {
// Make a writable jQuery.Event from the native event object event = jQuery.event.fix( event );
var i, ret, handleObj, matched, j, handlerQueue = [], args = slice.call( arguments ), handlers = ( jQuery._data( this, "events" ) || {} )[ event.type ] || [], special = jQuery.event.special[ event.type ] || {};
// Use the fix-ed jQuery.Event rather than the (read-only) native event args[0] = event; event.delegateTarget = this;
// Call the preDispatch hook for the mapped type, and let it bail if desired if ( special.preDispatch && special.preDispatch.call( this, event ) === false ) { return; }
// Determine handlers handlerQueue = jQuery.event.handlers.call( this, event, handlers );
// Run delegates first; they may want to stop propagation beneath us i = 0; while ( (matched = handlerQueue[ i++ ]) && !event.isPropagationStopped() ) { event.currentTarget = matched.elem;
j = 0; while ( (handleObj = matched.handlers[ j++ ]) && !event.isImmediatePropagationStopped() ) {
// Triggered event must either 1) have no namespace, or // 2) have namespace(s) a subset or equal to those in the bound event (both can have no namespace). if ( !event.namespace_re || event.namespace_re.test( handleObj.namespace ) ) {
event.handleObj = handleObj; event.data = handleObj.data;
ret = ( (jQuery.event.special[ handleObj.origType ] || {}).handle || handleObj.handler ) .apply( matched.elem, args );
if ( ret !== undefined ) { if ( (event.result = ret) === false ) { event.preventDefault(); event.stopPropagation(); } } } } }
// Call the postDispatch hook for the mapped type if ( special.postDispatch ) { special.postDispatch.call( this, event ); }
return event.result; },
handlers: function( event, handlers ) { var sel, handleObj, matches, i, handlerQueue = [], delegateCount = handlers.delegateCount, cur = event.target;
// Find delegate handlers // Black-hole SVG <use> instance trees (#13180) // Avoid non-left-click bubbling in Firefox (#3861) if ( delegateCount && cur.nodeType && (!event.button || event.type !== "click") ) {
/* jshint eqeqeq: false */ for ( ; cur != this; cur = cur.parentNode || this ) { /* jshint eqeqeq: true */
// Don't check non-elements (#13208) // Don't process clicks on disabled elements (#6911, #8165, #11382, #11764) if ( cur.nodeType === 1 && (cur.disabled !== true || event.type !== "click") ) { matches = []; for ( i = 0; i < delegateCount; i++ ) { handleObj = handlers[ i ];
// Don't conflict with Object.prototype properties (#13203) sel = handleObj.selector + " ";
if ( matches[ sel ] === undefined ) { matches[ sel ] = handleObj.needsContext ? jQuery( sel, this ).index( cur ) >= 0 : jQuery.find( sel, this, null, [ cur ] ).length; } if ( matches[ sel ] ) { matches.push( handleObj ); } } if ( matches.length ) { handlerQueue.push({ elem: cur, handlers: matches }); } } } }
// Add the remaining (directly-bound) handlers if ( delegateCount < handlers.length ) { handlerQueue.push({ elem: this, handlers: handlers.slice( delegateCount ) }); }
return handlerQueue; },
fix: function( event ) { if ( event[ jQuery.expando ] ) { return event; }
// Create a writable copy of the event object and normalize some properties var i, prop, copy, type = event.type, originalEvent = event, fixHook = this.fixHooks[ type ];
if ( !fixHook ) { this.fixHooks[ type ] = fixHook = rmouseEvent.test( type ) ? this.mouseHooks : rkeyEvent.test( type ) ? this.keyHooks : {}; } copy = fixHook.props ? this.props.concat( fixHook.props ) : this.props;
event = new jQuery.Event( originalEvent );
i = copy.length; while ( i-- ) { prop = copy[ i ]; event[ prop ] = originalEvent[ prop ]; }
// Support: IE<9 // Fix target property (#1925) if ( !event.target ) { event.target = originalEvent.srcElement || document; }
// Support: Chrome 23+, Safari? // Target should not be a text node (#504, #13143) if ( event.target.nodeType === 3 ) { event.target = event.target.parentNode; }
// Support: IE<9 // For mouse/key events, metaKey==false if it's undefined (#3368, #11328) event.metaKey = !!event.metaKey;
return fixHook.filter ? fixHook.filter( event, originalEvent ) : event; },
// Includes some event props shared by KeyEvent and MouseEvent props: "altKey bubbles cancelable ctrlKey currentTarget eventPhase metaKey relatedTarget shiftKey target timeStamp view which".split(" "),
fixHooks: {},
keyHooks: { props: "char charCode key keyCode".split(" "), filter: function( event, original ) {
// Add which for key events if ( event.which == null ) { event.which = original.charCode != null ? original.charCode : original.keyCode; }
return event; } },
mouseHooks: { props: "button buttons clientX clientY fromElement offsetX offsetY pageX pageY screenX screenY toElement".split(" "), filter: function( event, original ) { var body, eventDoc, doc, button = original.button, fromElement = original.fromElement;
// Calculate pageX/Y if missing and clientX/Y available if ( event.pageX == null && original.clientX != null ) { eventDoc = event.target.ownerDocument || document; doc = eventDoc.documentElement; body = eventDoc.body;
event.pageX = original.clientX + ( doc && doc.scrollLeft || body && body.scrollLeft || 0 ) - ( doc && doc.clientLeft || body && body.clientLeft || 0 ); event.pageY = original.clientY + ( doc && doc.scrollTop || body && body.scrollTop || 0 ) - ( doc && doc.clientTop || body && body.clientTop || 0 ); }
// Add relatedTarget, if necessary if ( !event.relatedTarget && fromElement ) { event.relatedTarget = fromElement === event.target ? original.toElement : fromElement; }
// Add which for click: 1 === left; 2 === middle; 3 === right // Note: button is not normalized, so don't use it if ( !event.which && button !== undefined ) { event.which = ( button & 1 ? 1 : ( button & 2 ? 3 : ( button & 4 ? 2 : 0 ) ) ); }
return event; } },
special: { load: { // Prevent triggered image.load events from bubbling to window.load noBubble: true }, focus: { // Fire native event if possible so blur/focus sequence is correct trigger: function() { if ( this !== safeActiveElement() && this.focus ) { try { this.focus(); return false; } catch ( e ) { // Support: IE<9 // If we error on focus to hidden element (#1486, #12518), // let .trigger() run the handlers } } }, delegateType: "focusin" }, blur: { trigger: function() { if ( this === safeActiveElement() && this.blur ) { this.blur(); return false; } }, delegateType: "focusout" }, click: { // For checkbox, fire native event so checked state will be right trigger: function() { if ( jQuery.nodeName( this, "input" ) && this.type === "checkbox" && this.click ) { this.click(); return false; } },
// For cross-browser consistency, don't fire native .click() on links _default: function( event ) { return jQuery.nodeName( event.target, "a" ); } },
beforeunload: { postDispatch: function( event ) {
// Support: Firefox 20+ // Firefox doesn't alert if the returnValue field is not set. if ( event.result !== undefined && event.originalEvent ) { event.originalEvent.returnValue = event.result; } } } },
simulate: function( type, elem, event, bubble ) { // Piggyback on a donor event to simulate a different one. // Fake originalEvent to avoid donor's stopPropagation, but if the // simulated event prevents default then we do the same on the donor. var e = jQuery.extend( new jQuery.Event(), event, { type: type, isSimulated: true, originalEvent: {} } ); if ( bubble ) { jQuery.event.trigger( e, null, elem ); } else { jQuery.event.dispatch.call( elem, e ); } if ( e.isDefaultPrevented() ) { event.preventDefault(); } } };
jQuery.removeEvent = document.removeEventListener ? function( elem, type, handle ) { if ( elem.removeEventListener ) { elem.removeEventListener( type, handle, false ); } } : function( elem, type, handle ) { var name = "on" + type;
if ( elem.detachEvent ) {
// #8545, #7054, preventing memory leaks for custom events in IE6-8 // detachEvent needed property on element, by name of that event, to properly expose it to GC if ( typeof elem[ name ] === strundefined ) { elem[ name ] = null; }
elem.detachEvent( name, handle ); } };
jQuery.Event = function( src, props ) { // Allow instantiation without the 'new' keyword if ( !(this instanceof jQuery.Event) ) { return new jQuery.Event( src, props ); }
// Event object if ( src && src.type ) { this.originalEvent = src; this.type = src.type;
// Events bubbling up the document may have been marked as prevented // by a handler lower down the tree; reflect the correct value. this.isDefaultPrevented = src.defaultPrevented || src.defaultPrevented === undefined && // Support: IE < 9, Android < 4.0 src.returnValue === false ? returnTrue : returnFalse;
// Event type } else { this.type = src; }
// Put explicitly provided properties onto the event object if ( props ) { jQuery.extend( this, props ); }
// Create a timestamp if incoming event doesn't have one this.timeStamp = src && src.timeStamp || jQuery.now();
// Mark it as fixed this[ jQuery.expando ] = true; };
// jQuery.Event is based on DOM3 Events as specified by the ECMAScript Language Binding // http://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html jQuery.Event.prototype = { isDefaultPrevented: returnFalse, isPropagationStopped: returnFalse, isImmediatePropagationStopped: returnFalse,
preventDefault: function() { var e = this.originalEvent;
this.isDefaultPrevented = returnTrue; if ( !e ) { return; }
// If preventDefault exists, run it on the original event if ( e.preventDefault ) { e.preventDefault();
// Support: IE // Otherwise set the returnValue property of the original event to false } else { e.returnValue = false; } }, stopPropagation: function() { var e = this.originalEvent;
this.isPropagationStopped = returnTrue; if ( !e ) { return; } // If stopPropagation exists, run it on the original event if ( e.stopPropagation ) { e.stopPropagation(); }
// Support: IE // Set the cancelBubble property of the original event to true e.cancelBubble = true; }, stopImmediatePropagation: function() { var e = this.originalEvent;
this.isImmediatePropagationStopped = returnTrue;
if ( e && e.stopImmediatePropagation ) { e.stopImmediatePropagation(); }
this.stopPropagation(); } };
// Create mouseenter/leave events using mouseover/out and event-time checks jQuery.each({ mouseenter: "mouseover", mouseleave: "mouseout", pointerenter: "pointerover", pointerleave: "pointerout" }, function( orig, fix ) { jQuery.event.special[ orig ] = { delegateType: fix, bindType: fix,
handle: function( event ) { var ret, target = this, related = event.relatedTarget, handleObj = event.handleObj;
// For mousenter/leave call the handler if related is outside the target. // NB: No relatedTarget if the mouse left/entered the browser window if ( !related || (related !== target && !jQuery.contains( target, related )) ) { event.type = handleObj.origType; ret = handleObj.handler.apply( this, arguments ); event.type = fix; } return ret; } }; });
// IE submit delegation if ( !support.submitBubbles ) {
jQuery.event.special.submit = { setup: function() { // Only need this for delegated form submit events if ( jQuery.nodeName( this, "form" ) ) { return false; }
// Lazy-add a submit handler when a descendant form may potentially be submitted jQuery.event.add( this, "click._submit keypress._submit", function( e ) { // Node name check avoids a VML-related crash in IE (#9807) var elem = e.target, form = jQuery.nodeName( elem, "input" ) || jQuery.nodeName( elem, "button" ) ? elem.form : undefined; if ( form && !jQuery._data( form, "submitBubbles" ) ) { jQuery.event.add( form, "submit._submit", function( event ) { event._submit_bubble = true; }); jQuery._data( form, "submitBubbles", true ); } }); // return undefined since we don't need an event listener },
postDispatch: function( event ) { // If form was submitted by the user, bubble the event up the tree if ( event._submit_bubble ) { delete event._submit_bubble; if ( this.parentNode && !event.isTrigger ) { jQuery.event.simulate( "submit", this.parentNode, event, true ); } } },
teardown: function() { // Only need this for delegated form submit events if ( jQuery.nodeName( this, "form" ) ) { return false; }
// Remove delegated handlers; cleanData eventually reaps submit handlers attached above jQuery.event.remove( this, "._submit" ); } }; }
// IE change delegation and checkbox/radio fix if ( !support.changeBubbles ) {
jQuery.event.special.change = {
setup: function() {
if ( rformElems.test( this.nodeName ) ) { // IE doesn't fire change on a check/radio until blur; trigger it on click // after a propertychange. Eat the blur-change in special.change.handle. // This still fires onchange a second time for check/radio after blur. if ( this.type === "checkbox" || this.type === "radio" ) { jQuery.event.add( this, "propertychange._change", function( event ) { if ( event.originalEvent.propertyName === "checked" ) { this._just_changed = true; } }); jQuery.event.add( this, "click._change", function( event ) { if ( this._just_changed && !event.isTrigger ) { this._just_changed = false; } // Allow triggered, simulated change events (#11500) jQuery.event.simulate( "change", this, event, true ); }); } return false; } // Delegated event; lazy-add a change handler on descendant inputs jQuery.event.add( this, "beforeactivate._change", function( e ) { var elem = e.target;
if ( rformElems.test( elem.nodeName ) && !jQuery._data( elem, "changeBubbles" ) ) { jQuery.event.add( elem, "change._change", function( event ) { if ( this.parentNode && !event.isSimulated && !event.isTrigger ) { jQuery.event.simulate( "change", this.parentNode, event, true ); } }); jQuery._data( elem, "changeBubbles", true ); } }); },
handle: function( event ) { var elem = event.target;
// Swallow native change events from checkbox/radio, we already triggered them above if ( this !== elem || event.isSimulated || event.isTrigger || (elem.type !== "radio" && elem.type !== "checkbox") ) { return event.handleObj.handler.apply( this, arguments ); } },
teardown: function() { jQuery.event.remove( this, "._change" );
return !rformElems.test( this.nodeName ); } }; }
// Create "bubbling" focus and blur events if ( !support.focusinBubbles ) { jQuery.each({ focus: "focusin", blur: "focusout" }, function( orig, fix ) {
// Attach a single capturing handler on the document while someone wants focusin/focusout var handler = function( event ) { jQuery.event.simulate( fix, event.target, jQuery.event.fix( event ), true ); };
jQuery.event.special[ fix ] = { setup: function() { var doc = this.ownerDocument || this, attaches = jQuery._data( doc, fix );
if ( !attaches ) { doc.addEventListener( orig, handler, true ); } jQuery._data( doc, fix, ( attaches || 0 ) + 1 ); }, teardown: function() { var doc = this.ownerDocument || this, attaches = jQuery._data( doc, fix ) - 1;
if ( !attaches ) { doc.removeEventListener( orig, handler, true ); jQuery._removeData( doc, fix ); } else { jQuery._data( doc, fix, attaches ); } } }; }); }
jQuery.fn.extend({
on: function( types, selector, data, fn, /*INTERNAL*/ one ) { var type, origFn;
// Types can be a map of types/handlers if ( typeof types === "object" ) { // ( types-Object, selector, data ) if ( typeof selector !== "string" ) { // ( types-Object, data ) data = data || selector; selector = undefined; } for ( type in types ) { this.on( type, selector, data, types[ type ], one ); } return this; }
if ( data == null && fn == null ) { // ( types, fn ) fn = selector; data = selector = undefined; } else if ( fn == null ) { if ( typeof selector === "string" ) { // ( types, selector, fn ) fn = data; data = undefined; } else { // ( types, data, fn ) fn = data; data = selector; selector = undefined; } } if ( fn === false ) { fn = returnFalse; } else if ( !fn ) { return this; }
if ( one === 1 ) { origFn = fn; fn = function( event ) { // Can use an empty set, since event contains the info jQuery().off( event ); return origFn.apply( this, arguments ); }; // Use same guid so caller can remove using origFn fn.guid = origFn.guid || ( origFn.guid = jQuery.guid++ ); } return this.each( function() { jQuery.event.add( this, types, fn, data, selector ); }); }, one: function( types, selector, data, fn ) { return this.on( types, selector, data, fn, 1 ); }, off: function( types, selector, fn ) { var handleObj, type; if ( types && types.preventDefault && types.handleObj ) { // ( event ) dispatched jQuery.Event handleObj = types.handleObj; jQuery( types.delegateTarget ).off( handleObj.namespace ? handleObj.origType + "." + handleObj.namespace : handleObj.origType, handleObj.selector, handleObj.handler ); return this; } if ( typeof types === "object" ) { // ( types-object [, selector] ) for ( type in types ) { this.off( type, selector, types[ type ] ); } return this; } if ( selector === false || typeof selector === "function" ) { // ( types [, fn] ) fn = selector; selector = undefined; } if ( fn === false ) { fn = returnFalse; } return this.each(function() { jQuery.event.remove( this, types, fn, selector ); }); },
trigger: function( type, data ) { return this.each(function() { jQuery.event.trigger( type, data, this ); }); }, triggerHandler: function( type, data ) { var elem = this[0]; if ( elem ) { return jQuery.event.trigger( type, data, elem, true ); } } });
function createSafeFragment( document ) {
var list = nodeNames.split( "|" ),
safeFrag = document.createDocumentFragment();
if ( safeFrag.createElement ) { while ( list.length ) { safeFrag.createElement( list.pop() ); } } return safeFrag; }
var nodeNames = "abbr|article|aside|audio|bdi|canvas|data|datalist|details|figcaption|figure|footer|" + "header|hgroup|mark|meter|nav|output|progress|section|summary|time|video", rinlinejQuery = / jQuery\d+="(?:null|\d+)"/g, rnoshimcache = new RegExp("<(?:" + nodeNames + ")[\\s/>]", "i"), rleadingWhitespace = /^\s+/, rxhtmlTag = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([\w:]+)[^>]*)\/>/gi, rtagName = /<([\w:]+)/, rtbody = /<tbody/i, rhtml = /<|&#?\w+;/, rnoInnerhtml = /<(?:script|style|link)/i, // checked="checked" or checked rchecked = /checked\s*(?:[^=]|=\s*.checked.)/i, rscriptType = /^$|\/(?:java|ecma)script/i, rscriptTypeMasked = /^true\/(.*)/, rcleanScript = /^\s*<!(?:\[CDATA\[|--)|(?:\]\]|--)>\s*$/g,
// We have to close these tags to support XHTML (#13200) wrapMap = { option: [ 1, "<select multiple='multiple'>", "</select>" ], legend: [ 1, "<fieldset>", "</fieldset>" ], area: [ 1, "<map>", "</map>" ], param: [ 1, "<object>", "</object>" ],
thead: [ 1, "// IE6-8 can't serialize link, script, style, or any html5 (NoScope) tags, // unless wrapped in a div with non-breaking characters in front of it.
_default: support.htmlSerialize ? [ 0, "", "" ] : [ 1, "X}, safeFragment = createSafeFragment( document ), fragmentDiv = safeFragment.appendChild( document.createElement("div") );
wrapMap.optgroup = wrapMap.option; wrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead; wrapMap.th = wrapMap.td;
function getAll( context, tag ) { var elems, elem, i = 0, found = typeof context.getElementsByTagName !== strundefined ? context.getElementsByTagName( tag || "*" ) : typeof context.querySelectorAll !== strundefined ? context.querySelectorAll( tag || "*" ) : undefined;
if ( !found ) { for ( found = [], elems = context.childNodes || context; (elem = elems[i]) != null; i++ ) { if ( !tag || jQuery.nodeName( elem, tag ) ) { found.push( elem ); } else { jQuery.merge( found, getAll( elem, tag ) ); } } }
return tag === undefined || tag && jQuery.nodeName( context, tag ) ? jQuery.merge( [ context ], found ) : found; }
// Used in buildFragment, fixes the defaultChecked property function fixDefaultChecked( elem ) { if ( rcheckableType.test( elem.type ) ) { elem.defaultChecked = elem.checked; } }
// Support: IE<8 // Manipulating tables requires a tbody function manipulationTarget( elem, content ) { return jQuery.nodeName( elem, "table" ) && jQuery.nodeName( content.nodeType !== 11 ? content : content.firstChild, "tr" ) ?
elem.getElementsByTagName("tbody")[0] || elem.appendChild( elem.ownerDocument.createElement("tbody") ) : elem; }
// Replace/restore the type attribute of script elements for safe DOM manipulation function disableScript( elem ) { elem.type = (jQuery.find.attr( elem, "type" ) !== null) + "/" + elem.type; return elem; } function restoreScript( elem ) { var match = rscriptTypeMasked.exec( elem.type ); if ( match ) { elem.type = match[1]; } else { elem.removeAttribute("type"); } return elem; }
// Mark scripts as having already been evaluated function setGlobalEval( elems, refElements ) { var elem, i = 0; for ( ; (elem = elems[i]) != null; i++ ) { jQuery._data( elem, "globalEval", !refElements || jQuery._data( refElements[i], "globalEval" ) ); } }
function cloneCopyEvent( src, dest ) {
if ( dest.nodeType !== 1 || !jQuery.hasData( src ) ) { return; }
var type, i, l, oldData = jQuery._data( src ), curData = jQuery._data( dest, oldData ), events = oldData.events;
if ( events ) { delete curData.handle; curData.events = {};
for ( type in events ) { for ( i = 0, l = events[ type ].length; i < l; i++ ) { jQuery.event.add( dest, type, events[ type ][ i ] ); } } }
// make the cloned public data object a copy from the original if ( curData.data ) { curData.data = jQuery.extend( {}, curData.data ); } }
function fixCloneNodeIssues( src, dest ) { var nodeName, e, data;
// We do not need to do anything for non-Elements if ( dest.nodeType !== 1 ) { return; }
nodeName = dest.nodeName.toLowerCase();
// IE6-8 copies events bound via attachEvent when using cloneNode. if ( !support.noCloneEvent && dest[ jQuery.expando ] ) { data = jQuery._data( dest );
for ( e in data.events ) { jQuery.removeEvent( dest, e, data.handle ); }
// Event data gets referenced instead of copied if the expando gets copied too dest.removeAttribute( jQuery.expando ); }
// IE blanks contents when cloning scripts, and tries to evaluate newly-set text if ( nodeName === "script" && dest.text !== src.text ) { disableScript( dest ).text = src.text; restoreScript( dest );
// IE6-10 improperly clones children of object elements using classid. // IE10 throws NoModificationAllowedError if parent is null, #12132. } else if ( nodeName === "object" ) { if ( dest.parentNode ) { dest.outerHTML = src.outerHTML; }
// This path appears unavoidable for IE9. When cloning an object // element in IE9, the outerHTML strategy above is not sufficient. // If the src has innerHTML and the destination does not, // copy the src.innerHTML into the dest.innerHTML. #10324 if ( support.html5Clone && ( src.innerHTML && !jQuery.trim(dest.innerHTML) ) ) { dest.innerHTML = src.innerHTML; }
} else if ( nodeName === "input" && rcheckableType.test( src.type ) ) { // IE6-8 fails to persist the checked state of a cloned checkbox // or radio button. Worse, IE6-7 fail to give the cloned element // a checked appearance if the defaultChecked value isn't also set
dest.defaultChecked = dest.checked = src.checked;
// IE6-7 get confused and end up setting the value of a cloned // checkbox/radio button to an empty string instead of "on" if ( dest.value !== src.value ) { dest.value = src.value; }
// IE6-8 fails to return the selected option to the default selected // state when cloning options } else if ( nodeName === "option" ) { dest.defaultSelected = dest.selected = src.defaultSelected;
// IE6-8 fails to set the defaultValue to the correct value when // cloning other types of input fields } else if ( nodeName === "input" || nodeName === "textarea" ) { dest.defaultValue = src.defaultValue; } }
jQuery.extend({ clone: function( elem, dataAndEvents, deepDataAndEvents ) { var destElements, node, clone, i, srcElements, inPage = jQuery.contains( elem.ownerDocument, elem );
if ( support.html5Clone || jQuery.isXMLDoc(elem) || !rnoshimcache.test( "<" + elem.nodeName + ">" ) ) { clone = elem.cloneNode( true );
// IE<=8 does not properly clone detached, unknown element nodes } else { fragmentDiv.innerHTML = elem.outerHTML; fragmentDiv.removeChild( clone = fragmentDiv.firstChild ); }
if ( (!support.noCloneEvent || !support.noCloneChecked) && (elem.nodeType === 1 || elem.nodeType === 11) && !jQuery.isXMLDoc(elem) ) {
// We eschew Sizzle here for performance reasons: http://jsperf.com/getall-vs-sizzle/2 destElements = getAll( clone ); srcElements = getAll( elem );
// Fix all IE cloning issues for ( i = 0; (node = srcElements[i]) != null; ++i ) { // Ensure that the destination node is not null; Fixes #9587 if ( destElements[i] ) { fixCloneNodeIssues( node, destElements[i] ); } } }
// Copy the events from the original to the clone if ( dataAndEvents ) { if ( deepDataAndEvents ) { srcElements = srcElements || getAll( elem ); destElements = destElements || getAll( clone );
for ( i = 0; (node = srcElements[i]) != null; i++ ) { cloneCopyEvent( node, destElements[i] ); } } else { cloneCopyEvent( elem, clone ); } }
// Preserve script evaluation history destElements = getAll( clone, "script" ); if ( destElements.length > 0 ) { setGlobalEval( destElements, !inPage && getAll( elem, "script" ) ); }
destElements = srcElements = node = null;
// Return the cloned set return clone; },
buildFragment: function( elems, context, scripts, selection ) { var j, elem, contains, tmp, tag, tbody, wrap, l = elems.length,
// Ensure a safe fragment safe = createSafeFragment( context ),
nodes = [], i = 0;
for ( ; i < l; i++ ) { elem = elems[ i ];
if ( elem || elem === 0 ) {
// Add nodes directly if ( jQuery.type( elem ) === "object" ) { jQuery.merge( nodes, elem.nodeType ? [ elem ] : elem );
// Convert non-html into a text node } else if ( !rhtml.test( elem ) ) { nodes.push( context.createTextNode( elem ) );
// Convert html into DOM nodes } else { tmp = tmp || safe.appendChild( context.createElement("div") );
// Deserialize a standard representation tag = (rtagName.exec( elem ) || [ "", "" ])[ 1 ].toLowerCase(); wrap = wrapMap[ tag ] || wrapMap._default;
tmp.innerHTML = wrap[1] + elem.replace( rxhtmlTag, "<$1></$2>" ) + wrap[2];
// Descend through wrappers to the right content j = wrap[0]; while ( j-- ) { tmp = tmp.lastChild; }
// Manually add leading whitespace removed by IE if ( !support.leadingWhitespace && rleadingWhitespace.test( elem ) ) { nodes.push( context.createTextNode( rleadingWhitespace.exec( elem )[0] ) ); }
// Remove IE's autoinserted <tbody> from table fragments if ( !support.tbody ) {
// String was aa = div.getElementsByTagName( "a" )[ 0 ]; style = a && a.style;
// Finish early in limited (non-browser) environments if ( !style ) { return; }
style.cssText = "float:left;opacity:.5";
// Support: IE<9 // Make sure that element opacity exists (as opposed to filter) support.opacity = style.opacity === "0.5";
// Verify style float existence // (IE uses styleFloat instead of cssFloat) support.cssFloat = !!style.cssFloat;
div.style.backgroundClip = "content-box"; div.cloneNode( true ).style.backgroundClip = ""; support.clearCloneStyle = div.style.backgroundClip === "content-box";
// Support: Firefox<29, Android 2.3 // Vendor-prefix box-sizing support.boxSizing = style.boxSizing === "" || style.MozBoxSizing === "" || style.WebkitBoxSizing === "";
jQuery.extend(support, { reliableHiddenOffsets: function() { if ( reliableHiddenOffsetsVal == null ) { computeStyleTests(); } return reliableHiddenOffsetsVal; },
boxSizingReliable: function() { if ( boxSizingReliableVal == null ) { computeStyleTests(); } return boxSizingReliableVal; },
pixelPosition: function() { if ( pixelPositionVal == null ) { computeStyleTests(); } return pixelPositionVal; },
// Support: Android 2.3 reliableMarginRight: function() { if ( reliableMarginRightVal == null ) { computeStyleTests(); } return reliableMarginRightVal; } });
function computeStyleTests() { // Minified: var b,c,d,j var div, body, container, contents;
body = document.getElementsByTagName( "body" )[ 0 ]; if ( !body || !body.style ) { // Test fired too early or in an unsupported environment, exit. return; }
// Setup div = document.createElement( "div" ); container = document.createElement( "div" ); container.style.cssText = "position:absolute;border:0;width:0;height:0;top:0;left:-9999px"; body.appendChild( container ).appendChild( div );
div.style.cssText = // Support: Firefox<29, Android 2.3 // Vendor-prefix box-sizing "-webkit-box-sizing:border-box;-moz-box-sizing:border-box;" + "box-sizing:border-box;display:block;margin-top:1%;top:1%;" + "border:1px;padding:1px;width:4px;position:absolute";
// Support: IE<9 // Assume reasonable values in the absence of getComputedStyle pixelPositionVal = boxSizingReliableVal = false; reliableMarginRightVal = true;
// Check for getComputedStyle so that this code is not run in IE<9. if ( window.getComputedStyle ) { pixelPositionVal = ( window.getComputedStyle( div, null ) || {} ).top !== "1%"; boxSizingReliableVal = ( window.getComputedStyle( div, null ) || { width: "4px" } ).width === "4px";
// Support: Android 2.3 // Div with explicit width and no margin-right incorrectly // gets computed margin-right based on width of container (#3333) // WebKit Bug 13343 - getComputedStyle returns wrong value for margin-right contents = div.appendChild( document.createElement( "div" ) );
// Reset CSS: box-sizing; display; margin; border; padding contents.style.cssText = div.style.cssText = // Support: Firefox<29, Android 2.3 // Vendor-prefix box-sizing "-webkit-box-sizing:content-box;-moz-box-sizing:content-box;" + "box-sizing:content-box;display:block;margin:0;border:0;padding:0"; contents.style.marginRight = contents.style.width = "0"; div.style.width = "1px";
reliableMarginRightVal = !parseFloat( ( window.getComputedStyle( contents, null ) || {} ).marginRight ); }
// Support: IE8 // Check if table cells still have offsetWidth/Height when they are set // to display:none and there are still other visible table cells in a // table row; if so, offsetWidth/Height are not reliable for use when // determining if an element has been hidden directly using // display:none (it is still safe to use offsets if a parent element is // hidden; don safety goggles and see bug #4512 for more information).
div.innerHTML = "| t |
contents = div.getElementsByTagName( "td" ); contents[ 0 ].style.cssText = "margin:0;border:0;padding:0;display:none"; reliableHiddenOffsetsVal = contents[ 0 ].offsetHeight === 0; if ( reliableHiddenOffsetsVal ) { contents[ 0 ].style.display = ""; contents[ 1 ].style.display = "none"; reliableHiddenOffsetsVal = contents[ 0 ].offsetHeight === 0; }
body.removeChild( container ); }
})();
// A method for quickly swapping in/out CSS properties to get correct calculations.
jQuery.swap = function( elem, options, callback, args ) {
var ret, name,
old = {};
// Remember the old values, and insert the new ones for ( name in options ) { old[ name ] = elem.style[ name ]; elem.style[ name ] = options[ name ]; }
ret = callback.apply( elem, args || [] );
// Revert the old values for ( name in options ) { elem.style[ name ] = old[ name ]; }
return ret; };
var
ralpha = /alpha\([^)]*\)/i,
ropacity = /opacity\s*=\s*([^)]*)/,
// swappable if display is none or starts with table except "table", "table-cell", or "table-caption" // see here for display values: https://developer.mozilla.org/en-US/docs/CSS/display rdisplayswap = /^(none|table(?!-c[ea]).+)/, rnumsplit = new RegExp( "^(" + pnum + ")(.*)$", "i" ), rrelNum = new RegExp( "^([+-])=(" + pnum + ")", "i" ),
cssShow = { position: "absolute", visibility: "hidden", display: "block" }, cssNormalTransform = { letterSpacing: "0", fontWeight: "400" },
cssPrefixes = [ "Webkit", "O", "Moz", "ms" ];
// return a css property mapped to a potentially vendor prefixed property
function vendorPropName( style, name ) {
// shortcut for names that are not vendor prefixed if ( name in style ) { return name; }
// check for vendor prefixed names var capName = name.charAt(0).toUpperCase() + name.slice(1), origName = name, i = cssPrefixes.length;
while ( i-- ) { name = cssPrefixes[ i ] + capName; if ( name in style ) { return name; } }
return origName; }
function showHide( elements, show ) { var display, elem, hidden, values = [], index = 0, length = elements.length;
for ( ; index < length; index++ ) { elem = elements[ index ]; if ( !elem.style ) { continue; }
values[ index ] = jQuery._data( elem, "olddisplay" ); display = elem.style.display; if ( show ) { // Reset the inline display of this element to learn if it is // being hidden by cascaded rules or not if ( !values[ index ] && display === "none" ) { elem.style.display = ""; }
// Set elements which have been overridden with display: none // in a stylesheet to whatever the default browser style is // for such an element if ( elem.style.display === "" && isHidden( elem ) ) { values[ index ] = jQuery._data( elem, "olddisplay", defaultDisplay(elem.nodeName) ); } } else { hidden = isHidden( elem );
if ( display && display !== "none" || !hidden ) { jQuery._data( elem, "olddisplay", hidden ? display : jQuery.css( elem, "display" ) ); } } }
// Set the display of most of the elements in a second loop // to avoid the constant reflow for ( index = 0; index < length; index++ ) { elem = elements[ index ]; if ( !elem.style ) { continue; } if ( !show || elem.style.display === "none" || elem.style.display === "" ) { elem.style.display = show ? values[ index ] || "" : "none"; } }
return elements; }
function setPositiveNumber( elem, value, subtract ) { var matches = rnumsplit.exec( value ); return matches ? // Guard against undefined "subtract", e.g., when used as in cssHooks Math.max( 0, matches[ 1 ] - ( subtract || 0 ) ) + ( matches[ 2 ] || "px" ) : value; }
function augmentWidthOrHeight( elem, name, extra, isBorderBox, styles ) { var i = extra === ( isBorderBox ? "border" : "content" ) ? // If we already have the right measurement, avoid augmentation 4 : // Otherwise initialize for horizontal or vertical properties name === "width" ? 1 : 0,
val = 0;
for ( ; i < 4; i += 2 ) { // both box models exclude margin, so add it if we want it if ( extra === "margin" ) { val += jQuery.css( elem, extra + cssExpand[ i ], true, styles ); }
if ( isBorderBox ) { // border-box includes padding, so remove it if we want content if ( extra === "content" ) { val -= jQuery.css( elem, "padding" + cssExpand[ i ], true, styles ); }
// at this point, extra isn't border nor margin, so remove border if ( extra !== "margin" ) { val -= jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles ); } } else { // at this point, extra isn't content, so add padding val += jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
// at this point, extra isn't content nor padding, so add border if ( extra !== "padding" ) { val += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles ); } } }
return val; }
function getWidthOrHeight( elem, name, extra ) {
// Start with offset property, which is equivalent to the border-box value var valueIsBorderBox = true, val = name === "width" ? elem.offsetWidth : elem.offsetHeight, styles = getStyles( elem ), isBorderBox = support.boxSizing && jQuery.css( elem, "boxSizing", false, styles ) === "border-box";
// some non-html elements return undefined for offsetWidth, so check for null/undefined // svg - https://bugzilla.mozilla.org/show_bug.cgi?id=649285 // MathML - https://bugzilla.mozilla.org/show_bug.cgi?id=491668 if ( val <= 0 || val == null ) { // Fall back to computed then uncomputed css if necessary val = curCSS( elem, name, styles ); if ( val < 0 || val == null ) { val = elem.style[ name ]; }
// Computed unit is not pixels. Stop here and return. if ( rnumnonpx.test(val) ) { return val; }
// we need the check for style in case a browser which returns unreliable values // for getComputedStyle silently falls back to the reliable elem.style valueIsBorderBox = isBorderBox && ( support.boxSizingReliable() || val === elem.style[ name ] );
// Normalize "", auto, and prepare for extra val = parseFloat( val ) || 0; }
// use the active box-sizing model to add/subtract irrelevant styles return ( val + augmentWidthOrHeight( elem, name, extra || ( isBorderBox ? "border" : "content" ), valueIsBorderBox, styles ) ) + "px"; }
jQuery.extend({ // Add in style property hooks for overriding the default // behavior of getting and setting a style property cssHooks: { opacity: { get: function( elem, computed ) { if ( computed ) { // We should always get a number back from opacity var ret = curCSS( elem, "opacity" ); return ret === "" ? "1" : ret; } } } },
// Don't automatically add "px" to these possibly-unitless properties cssNumber: { "columnCount": true, "fillOpacity": true, "flexGrow": true, "flexShrink": true, "fontWeight": true, "lineHeight": true, "opacity": true, "order": true, "orphans": true, "widows": true, "zIndex": true, "zoom": true },
// Add in properties whose names you wish to fix before // setting or getting the value cssProps: { // normalize float css property "float": support.cssFloat ? "cssFloat" : "styleFloat" },
// Get and set the style property on a DOM Node style: function( elem, name, value, extra ) { // Don't set styles on text and comment nodes if ( !elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style ) { return; }
// Make sure that we're working with the right name var ret, type, hooks, origName = jQuery.camelCase( name ), style = elem.style;
name = jQuery.cssProps[ origName ] || ( jQuery.cssProps[ origName ] = vendorPropName( style, origName ) );
// gets hook for the prefixed version // followed by the unprefixed version hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
// Check if we're setting a value if ( value !== undefined ) { type = typeof value;
// convert relative number strings (+= or -=) to relative numbers. #7345 if ( type === "string" && (ret = rrelNum.exec( value )) ) { value = ( ret[1] + 1 ) * ret[2] + parseFloat( jQuery.css( elem, name ) ); // Fixes bug #9237 type = "number"; }
// Make sure that null and NaN values aren't set. See: #7116 if ( value == null || value !== value ) { return; }
// If a number was passed in, add 'px' to the (except for certain CSS properties) if ( type === "number" && !jQuery.cssNumber[ origName ] ) { value += "px"; }
// Fixes #8908, it can be done more correctly by specifing setters in cssHooks, // but it would mean to define eight (for every problematic property) identical functions if ( !support.clearCloneStyle && value === "" && name.indexOf("background") === 0 ) { style[ name ] = "inherit"; }
// If a hook was provided, use that value, otherwise just set the specified value if ( !hooks || !("set" in hooks) || (value = hooks.set( elem, value, extra )) !== undefined ) {
// Support: IE // Swallow errors from 'invalid' CSS values (#5509) try { style[ name ] = value; } catch(e) {} }
} else { // If a hook was provided get the non-computed value from there if ( hooks && "get" in hooks && (ret = hooks.get( elem, false, extra )) !== undefined ) { return ret; }
// Otherwise just get the value from the style object return style[ name ]; } },
css: function( elem, name, extra, styles ) { var num, val, hooks, origName = jQuery.camelCase( name );
// Make sure that we're working with the right name name = jQuery.cssProps[ origName ] || ( jQuery.cssProps[ origName ] = vendorPropName( elem.style, origName ) );
// gets hook for the prefixed version // followed by the unprefixed version hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
// If a hook was provided get the computed value from there if ( hooks && "get" in hooks ) { val = hooks.get( elem, true, extra ); }
// Otherwise, if a way to get the computed value exists, use that if ( val === undefined ) { val = curCSS( elem, name, styles ); }
//convert "normal" to computed value if ( val === "normal" && name in cssNormalTransform ) { val = cssNormalTransform[ name ]; }
// Return, converting to number if forced or a qualifier was provided and val looks numeric if ( extra === "" || extra ) { num = parseFloat( val ); return extra === true || jQuery.isNumeric( num ) ? num || 0 : val; } return val; } });
jQuery.each([ "height", "width" ], function( i, name ) { jQuery.cssHooks[ name ] = { get: function( elem, computed, extra ) { if ( computed ) { // certain elements can have dimension info if we invisibly show them // however, it must have a current display style that would benefit from this return rdisplayswap.test( jQuery.css( elem, "display" ) ) && elem.offsetWidth === 0 ? jQuery.swap( elem, cssShow, function() { return getWidthOrHeight( elem, name, extra ); }) : getWidthOrHeight( elem, name, extra ); } },
set: function( elem, value, extra ) { var styles = extra && getStyles( elem ); return setPositiveNumber( elem, value, extra ? augmentWidthOrHeight( elem, name, extra, support.boxSizing && jQuery.css( elem, "boxSizing", false, styles ) === "border-box", styles ) : 0 ); } }; });
if ( !support.opacity ) { jQuery.cssHooks.opacity = { get: function( elem, computed ) { // IE uses filters for opacity return ropacity.test( (computed && elem.currentStyle ? elem.currentStyle.filter : elem.style.filter) || "" ) ? ( 0.01 * parseFloat( RegExp.$1 ) ) + "" : computed ? "1" : ""; },
set: function( elem, value ) { var style = elem.style, currentStyle = elem.currentStyle, opacity = jQuery.isNumeric( value ) ? "alpha(opacity=" + value * 100 + ")" : "", filter = currentStyle && currentStyle.filter || style.filter || "";
// IE has trouble with opacity if it does not have layout // Force it by setting the zoom level style.zoom = 1;
// if setting opacity to 1, and no other filters exist - attempt to remove filter attribute #6652 // if value === "", then remove inline opacity #12685 if ( ( value >= 1 || value === "" ) && jQuery.trim( filter.replace( ralpha, "" ) ) === "" && style.removeAttribute ) {
// Setting style.filter to null, "" & " " still leave "filter:" in the cssText // if "filter:" is present at all, clearType is disabled, we want to avoid this // style.removeAttribute is IE Only, but so apparently is this code path... style.removeAttribute( "filter" );
// if there is no filter style applied in a css rule or unset inline opacity, we are done if ( value === "" || currentStyle && !currentStyle.filter ) { return; } }
// otherwise, set new filter values style.filter = ralpha.test( filter ) ? filter.replace( ralpha, opacity ) : filter + " " + opacity; } }; }
jQuery.cssHooks.marginRight = addGetHookIf( support.reliableMarginRight, function( elem, computed ) { if ( computed ) { // WebKit Bug 13343 - getComputedStyle returns wrong value for margin-right // Work around by temporarily setting element display to inline-block return jQuery.swap( elem, { "display": "inline-block" }, curCSS, [ elem, "marginRight" ] ); } } );
// These hooks are used by animate to expand properties jQuery.each({ margin: "", padding: "", border: "Width" }, function( prefix, suffix ) { jQuery.cssHooks[ prefix + suffix ] = { expand: function( value ) { var i = 0, expanded = {},
// assumes a single number if not a string parts = typeof value === "string" ? value.split(" ") : [ value ];
for ( ; i < 4; i++ ) { expanded[ prefix + cssExpand[ i ] + suffix ] = parts[ i ] || parts[ i - 2 ] || parts[ 0 ]; }
return expanded; } };
if ( !rmargin.test( prefix ) ) { jQuery.cssHooks[ prefix + suffix ].set = setPositiveNumber; } });
jQuery.fn.extend({ css: function( name, value ) { return access( this, function( elem, name, value ) { var styles, len, map = {}, i = 0;
if ( jQuery.isArray( name ) ) { styles = getStyles( elem ); len = name.length;
for ( ; i < len; i++ ) { map[ name[ i ] ] = jQuery.css( elem, name[ i ], false, styles ); }
return map; }
return value !== undefined ? jQuery.style( elem, name, value ) : jQuery.css( elem, name ); }, name, value, arguments.length > 1 ); }, show: function() { return showHide( this, true ); }, hide: function() { return showHide( this ); }, toggle: function( state ) { if ( typeof state === "boolean" ) { return state ? this.show() : this.hide(); }
return this.each(function() { if ( isHidden( this ) ) { jQuery( this ).show(); } else { jQuery( this ).hide(); } }); } });
function Tween( elem, options, prop, end, easing ) {
return new Tween.prototype.init( elem, options, prop, end, easing );
}
jQuery.Tween = Tween;
Tween.prototype = { constructor: Tween, init: function( elem, options, prop, end, easing, unit ) { this.elem = elem; this.prop = prop; this.easing = easing || "swing"; this.options = options; this.start = this.now = this.cur(); this.end = end; this.unit = unit || ( jQuery.cssNumber[ prop ] ? "" : "px" ); }, cur: function() { var hooks = Tween.propHooks[ this.prop ];
return hooks && hooks.get ? hooks.get( this ) : Tween.propHooks._default.get( this ); }, run: function( percent ) { var eased, hooks = Tween.propHooks[ this.prop ];
if ( this.options.duration ) { this.pos = eased = jQuery.easing[ this.easing ]( percent, this.options.duration * percent, 0, 1, this.options.duration ); } else { this.pos = eased = percent; } this.now = ( this.end - this.start ) * eased + this.start;
if ( this.options.step ) { this.options.step.call( this.elem, this.now, this ); }
if ( hooks && hooks.set ) { hooks.set( this ); } else { Tween.propHooks._default.set( this ); } return this; } };
Tween.prototype.init.prototype = Tween.prototype;
Tween.propHooks = { _default: { get: function( tween ) { var result;
if ( tween.elem[ tween.prop ] != null && (!tween.elem.style || tween.elem.style[ tween.prop ] == null) ) { return tween.elem[ tween.prop ]; }
// passing an empty string as a 3rd parameter to .css will automatically // attempt a parseFloat and fallback to a string if the parse fails // so, simple values such as "10px" are parsed to Float. // complex values such as "rotate(1rad)" are returned as is. result = jQuery.css( tween.elem, tween.prop, "" ); // Empty strings, null, undefined and "auto" are converted to 0. return !result || result === "auto" ? 0 : result; }, set: function( tween ) { // use step hook for back compat - use cssHook if its there - use .style if its // available and use plain properties where available if ( jQuery.fx.step[ tween.prop ] ) { jQuery.fx.step[ tween.prop ]( tween ); } else if ( tween.elem.style && ( tween.elem.style[ jQuery.cssProps[ tween.prop ] ] != null || jQuery.cssHooks[ tween.prop ] ) ) { jQuery.style( tween.elem, tween.prop, tween.now + tween.unit ); } else { tween.elem[ tween.prop ] = tween.now; } } } };
// Support: IE <=9 // Panic based approach to setting things on disconnected nodes
Tween.propHooks.scrollTop = Tween.propHooks.scrollLeft = { set: function( tween ) { if ( tween.elem.nodeType && tween.elem.parentNode ) { tween.elem[ tween.prop ] = tween.now; } } };
jQuery.easing = { linear: function( p ) { return p; }, swing: function( p ) { return 0.5 - Math.cos( p * Math.PI ) / 2; } };
jQuery.fx = Tween.prototype.init;
// Back Compat <1.8 extension point jQuery.fx.step = {};
var
fxNow, timerId,
rfxtypes = /^(?:toggle|show|hide)$/,
rfxnum = new RegExp( "^(?:([+-])=|)(" + pnum + ")([a-z%]*)$", "i" ),
rrun = /queueHooks$/,
animationPrefilters = [ defaultPrefilter ],
tweeners = {
"*": [ function( prop, value ) {
var tween = this.createTween( prop, value ),
target = tween.cur(),
parts = rfxnum.exec( value ),
unit = parts && parts[ 3 ] || ( jQuery.cssNumber[ prop ] ? "" : "px" ),
// Starting value computation is required for potential unit mismatches start = ( jQuery.cssNumber[ prop ] || unit !== "px" && +target ) && rfxnum.exec( jQuery.css( tween.elem, prop ) ), scale = 1, maxIterations = 20;
if ( start && start[ 3 ] !== unit ) { // Trust units reported by jQuery.css unit = unit || start[ 3 ];
// Make sure we update the tween properties later on parts = parts || [];
// Iteratively approximate from a nonzero starting point start = +target || 1;
do { // If previous iteration zeroed out, double until we get *something* // Use a string for doubling factor so we don't accidentally see scale as unchanged below scale = scale || ".5";
// Adjust and apply start = start / scale; jQuery.style( tween.elem, prop, start + unit );
// Update scale, tolerating zero or NaN from tween.cur() // And breaking the loop if scale is unchanged or perfect, or if we've just had enough } while ( scale !== (scale = tween.cur() / target) && scale !== 1 && --maxIterations ); }
// Update tween properties if ( parts ) { start = tween.start = +start || +target || 0; tween.unit = unit; // If a +=/-= token was provided, we're doing a relative animation tween.end = parts[ 1 ] ? start + ( parts[ 1 ] + 1 ) * parts[ 2 ] : +parts[ 2 ]; }
return tween; } ] };
// Animations created synchronously will run synchronously function createFxNow() { setTimeout(function() { fxNow = undefined; }); return ( fxNow = jQuery.now() ); }
// Generate parameters to create a standard animation function genFx( type, includeWidth ) { var which, attrs = { height: type }, i = 0;
// if we include width, step value is 1 to do all cssExpand values, // if we don't include width, step value is 2 to skip over Left and Right includeWidth = includeWidth ? 1 : 0; for ( ; i < 4 ; i += 2 - includeWidth ) { which = cssExpand[ i ]; attrs[ "margin" + which ] = attrs[ "padding" + which ] = type; }
if ( includeWidth ) { attrs.opacity = attrs.width = type; }
return attrs; }
function createTween( value, prop, animation ) { var tween, collection = ( tweeners[ prop ] || [] ).concat( tweeners[ "*" ] ), index = 0, length = collection.length; for ( ; index < length; index++ ) { if ( (tween = collection[ index ].call( animation, prop, value )) ) {
// we're done with this property return tween; } } }
function defaultPrefilter( elem, props, opts ) { /* jshint validthis: true */ var prop, value, toggle, tween, hooks, oldfire, display, checkDisplay, anim = this, orig = {}, style = elem.style, hidden = elem.nodeType && isHidden( elem ), dataShow = jQuery._data( elem, "fxshow" );
// handle queue: false promises if ( !opts.queue ) { hooks = jQuery._queueHooks( elem, "fx" ); if ( hooks.unqueued == null ) { hooks.unqueued = 0; oldfire = hooks.empty.fire; hooks.empty.fire = function() { if ( !hooks.unqueued ) { oldfire(); } }; } hooks.unqueued++;
anim.always(function() { // doing this makes sure that the complete handler will be called // before this completes anim.always(function() { hooks.unqueued--; if ( !jQuery.queue( elem, "fx" ).length ) { hooks.empty.fire(); } }); }); }
// height/width overflow pass if ( elem.nodeType === 1 && ( "height" in props || "width" in props ) ) { // Make sure that nothing sneaks out // Record all 3 overflow attributes because IE does not // change the overflow attribute when overflowX and // overflowY are set to the same value opts.overflow = [ style.overflow, style.overflowX, style.overflowY ];
// Set display property to inline-block for height/width // animations on inline elements that are having width/height animated display = jQuery.css( elem, "display" );
// Test default display if display is currently "none" checkDisplay = display === "none" ? jQuery._data( elem, "olddisplay" ) || defaultDisplay( elem.nodeName ) : display;
if ( checkDisplay === "inline" && jQuery.css( elem, "float" ) === "none" ) {
// inline-level elements accept inline-block; // block-level elements need to be inline with layout if ( !support.inlineBlockNeedsLayout || defaultDisplay( elem.nodeName ) === "inline" ) { style.display = "inline-block"; } else { style.zoom = 1; } } }
if ( opts.overflow ) { style.overflow = "hidden"; if ( !support.shrinkWrapBlocks() ) { anim.always(function() { style.overflow = opts.overflow[ 0 ]; style.overflowX = opts.overflow[ 1 ]; style.overflowY = opts.overflow[ 2 ]; }); } }
// show/hide pass for ( prop in props ) { value = props[ prop ]; if ( rfxtypes.exec( value ) ) { delete props[ prop ]; toggle = toggle || value === "toggle"; if ( value === ( hidden ? "hide" : "show" ) ) {
// If there is dataShow left over from a stopped hide or show and we are going to proceed with show, we should pretend to be hidden if ( value === "show" && dataShow && dataShow[ prop ] !== undefined ) { hidden = true; } else { continue; } } orig[ prop ] = dataShow && dataShow[ prop ] || jQuery.style( elem, prop );
// Any non-fx value stops us from restoring the original display value } else { display = undefined; } }
if ( !jQuery.isEmptyObject( orig ) ) { if ( dataShow ) { if ( "hidden" in dataShow ) { hidden = dataShow.hidden; } } else { dataShow = jQuery._data( elem, "fxshow", {} ); }
// store state if its toggle - enables .stop().toggle() to "reverse" if ( toggle ) { dataShow.hidden = !hidden; } if ( hidden ) { jQuery( elem ).show(); } else { anim.done(function() { jQuery( elem ).hide(); }); } anim.done(function() { var prop; jQuery._removeData( elem, "fxshow" ); for ( prop in orig ) { jQuery.style( elem, prop, orig[ prop ] ); } }); for ( prop in orig ) { tween = createTween( hidden ? dataShow[ prop ] : 0, prop, anim );
if ( !( prop in dataShow ) ) { dataShow[ prop ] = tween.start; if ( hidden ) { tween.end = tween.start; tween.start = prop === "width" || prop === "height" ? 1 : 0; } } }
// If this is a noop like .hide().hide(), restore an overwritten display value } else if ( (display === "none" ? defaultDisplay( elem.nodeName ) : display) === "inline" ) { style.display = display; } }
function propFilter( props, specialEasing ) { var index, name, easing, value, hooks;
// camelCase, specialEasing and expand cssHook pass for ( index in props ) { name = jQuery.camelCase( index ); easing = specialEasing[ name ]; value = props[ index ]; if ( jQuery.isArray( value ) ) { easing = value[ 1 ]; value = props[ index ] = value[ 0 ]; }
if ( index !== name ) { props[ name ] = value; delete props[ index ]; }
hooks = jQuery.cssHooks[ name ]; if ( hooks && "expand" in hooks ) { value = hooks.expand( value ); delete props[ name ];
// not quite $.extend, this wont overwrite keys already present. // also - reusing 'index' from above because we have the correct "name" for ( index in value ) { if ( !( index in props ) ) { props[ index ] = value[ index ]; specialEasing[ index ] = easing; } } } else { specialEasing[ name ] = easing; } } }
function Animation( elem, properties, options ) { var result, stopped, index = 0, length = animationPrefilters.length, deferred = jQuery.Deferred().always( function() { // don't match elem in the :animated selector delete tick.elem; }), tick = function() { if ( stopped ) { return false; } var currentTime = fxNow || createFxNow(), remaining = Math.max( 0, animation.startTime + animation.duration - currentTime ), // archaic crash bug won't allow us to use 1 - ( 0.5 || 0 ) (#12497) temp = remaining / animation.duration || 0, percent = 1 - temp, index = 0, length = animation.tweens.length;
for ( ; index < length ; index++ ) { animation.tweens[ index ].run( percent ); }
deferred.notifyWith( elem, [ animation, percent, remaining ]);
if ( percent < 1 && length ) { return remaining; } else { deferred.resolveWith( elem, [ animation ] ); return false; } }, animation = deferred.promise({ elem: elem, props: jQuery.extend( {}, properties ), opts: jQuery.extend( true, { specialEasing: {} }, options ), originalProperties: properties, originalOptions: options, startTime: fxNow || createFxNow(), duration: options.duration, tweens: [], createTween: function( prop, end ) { var tween = jQuery.Tween( elem, animation.opts, prop, end, animation.opts.specialEasing[ prop ] || animation.opts.easing ); animation.tweens.push( tween ); return tween; }, stop: function( gotoEnd ) { var index = 0, // if we are going to the end, we want to run all the tweens // otherwise we skip this part length = gotoEnd ? animation.tweens.length : 0; if ( stopped ) { return this; } stopped = true; for ( ; index < length ; index++ ) { animation.tweens[ index ].run( 1 ); }
// resolve when we played the last frame // otherwise, reject if ( gotoEnd ) { deferred.resolveWith( elem, [ animation, gotoEnd ] ); } else { deferred.rejectWith( elem, [ animation, gotoEnd ] ); } return this; } }), props = animation.props;
propFilter( props, animation.opts.specialEasing );
for ( ; index < length ; index++ ) { result = animationPrefilters[ index ].call( animation, elem, props, animation.opts ); if ( result ) { return result; } }
jQuery.map( props, createTween, animation );
if ( jQuery.isFunction( animation.opts.start ) ) { animation.opts.start.call( elem, animation ); }
jQuery.fx.timer( jQuery.extend( tick, { elem: elem, anim: animation, queue: animation.opts.queue }) );
// attach callbacks from options return animation.progress( animation.opts.progress ) .done( animation.opts.done, animation.opts.complete ) .fail( animation.opts.fail ) .always( animation.opts.always ); }
jQuery.Animation = jQuery.extend( Animation, { tweener: function( props, callback ) { if ( jQuery.isFunction( props ) ) { callback = props; props = [ "*" ]; } else { props = props.split(" "); }
var prop, index = 0, length = props.length;
for ( ; index < length ; index++ ) { prop = props[ index ]; tweeners[ prop ] = tweeners[ prop ] || []; tweeners[ prop ].unshift( callback ); } },
prefilter: function( callback, prepend ) { if ( prepend ) { animationPrefilters.unshift( callback ); } else { animationPrefilters.push( callback ); } } });
jQuery.speed = function( speed, easing, fn ) { var opt = speed && typeof speed === "object" ? jQuery.extend( {}, speed ) : { complete: fn || !fn && easing || jQuery.isFunction( speed ) && speed, duration: speed, easing: fn && easing || easing && !jQuery.isFunction( easing ) && easing };
opt.duration = jQuery.fx.off ? 0 : typeof opt.duration === "number" ? opt.duration : opt.duration in jQuery.fx.speeds ? jQuery.fx.speeds[ opt.duration ] : jQuery.fx.speeds._default;
// normalize opt.queue - true/undefined/null -> "fx" if ( opt.queue == null || opt.queue === true ) { opt.queue = "fx"; }
// Queueing opt.old = opt.complete;
opt.complete = function() { if ( jQuery.isFunction( opt.old ) ) { opt.old.call( this ); }
if ( opt.queue ) { jQuery.dequeue( this, opt.queue ); } };
return opt; };
jQuery.fn.extend({ fadeTo: function( speed, to, easing, callback ) {
// show any hidden elements after setting opacity to 0 return this.filter( isHidden ).css( "opacity", 0 ).show()
// animate to the value specified .end().animate({ opacity: to }, speed, easing, callback ); }, animate: function( prop, speed, easing, callback ) { var empty = jQuery.isEmptyObject( prop ), optall = jQuery.speed( speed, easing, callback ), doAnimation = function() { // Operate on a copy of prop so per-property easing won't be lost var anim = Animation( this, jQuery.extend( {}, prop ), optall );
// Empty animations, or finishing resolves immediately if ( empty || jQuery._data( this, "finish" ) ) { anim.stop( true ); } }; doAnimation.finish = doAnimation;
return empty || optall.queue === false ? this.each( doAnimation ) : this.queue( optall.queue, doAnimation ); }, stop: function( type, clearQueue, gotoEnd ) { var stopQueue = function( hooks ) { var stop = hooks.stop; delete hooks.stop; stop( gotoEnd ); };
if ( typeof type !== "string" ) { gotoEnd = clearQueue; clearQueue = type; type = undefined; } if ( clearQueue && type !== false ) { this.queue( type || "fx", [] ); }
return this.each(function() { var dequeue = true, index = type != null && type + "queueHooks", timers = jQuery.timers, data = jQuery._data( this );
if ( index ) { if ( data[ index ] && data[ index ].stop ) { stopQueue( data[ index ] ); } } else { for ( index in data ) { if ( data[ index ] && data[ index ].stop && rrun.test( index ) ) { stopQueue( data[ index ] ); } } }
for ( index = timers.length; index--; ) { if ( timers[ index ].elem === this && (type == null || timers[ index ].queue === type) ) { timers[ index ].anim.stop( gotoEnd ); dequeue = false; timers.splice( index, 1 ); } }
// start the next in the queue if the last step wasn't forced // timers currently will call their complete callbacks, which will dequeue // but only if they were gotoEnd if ( dequeue || !gotoEnd ) { jQuery.dequeue( this, type ); } }); }, finish: function( type ) { if ( type !== false ) { type = type || "fx"; } return this.each(function() { var index, data = jQuery._data( this ), queue = data[ type + "queue" ], hooks = data[ type + "queueHooks" ], timers = jQuery.timers, length = queue ? queue.length : 0;
// enable finishing flag on private data data.finish = true;
// empty the queue first jQuery.queue( this, type, [] );
if ( hooks && hooks.stop ) { hooks.stop.call( this, true ); }
// look for any active animations, and finish them for ( index = timers.length; index--; ) { if ( timers[ index ].elem === this && timers[ index ].queue === type ) { timers[ index ].anim.stop( true ); timers.splice( index, 1 ); } }
// look for any animations in the old queue and finish them for ( index = 0; index < length; index++ ) { if ( queue[ index ] && queue[ index ].finish ) { queue[ index ].finish.call( this ); } }
// turn off finishing flag delete data.finish; }); } });
jQuery.each([ "toggle", "show", "hide" ], function( i, name ) { var cssFn = jQuery.fn[ name ]; jQuery.fn[ name ] = function( speed, easing, callback ) { return speed == null || typeof speed === "boolean" ? cssFn.apply( this, arguments ) : this.animate( genFx( name, true ), speed, easing, callback ); }; });
// Generate shortcuts for custom animations jQuery.each({ slideDown: genFx("show"), slideUp: genFx("hide"), slideToggle: genFx("toggle"), fadeIn: { opacity: "show" }, fadeOut: { opacity: "hide" }, fadeToggle: { opacity: "toggle" } }, function( name, props ) { jQuery.fn[ name ] = function( speed, easing, callback ) { return this.animate( props, speed, easing, callback ); }; });
jQuery.timers = []; jQuery.fx.tick = function() { var timer, timers = jQuery.timers, i = 0;
fxNow = jQuery.now();
for ( ; i < timers.length; i++ ) { timer = timers[ i ]; // Checks the timer has not already been removed if ( !timer() && timers[ i ] === timer ) { timers.splice( i--, 1 ); } }
if ( !timers.length ) { jQuery.fx.stop(); } fxNow = undefined; };
jQuery.fx.timer = function( timer ) { jQuery.timers.push( timer ); if ( timer() ) { jQuery.fx.start(); } else { jQuery.timers.pop(); } };
jQuery.fx.interval = 13;
jQuery.fx.start = function() { if ( !timerId ) { timerId = setInterval( jQuery.fx.tick, jQuery.fx.interval ); } };
jQuery.fx.stop = function() { clearInterval( timerId ); timerId = null; };
jQuery.fx.speeds = { slow: 600, fast: 200, // Default speed _default: 400 };
// Based off of the plugin by Clint Helfers, with permission.
// http://blindsignals.com/index.php/2009/07/jquery-delay/
jQuery.fn.delay = function( time, type ) {
time = jQuery.fx ? jQuery.fx.speeds[ time ] || time : time;
type = type || "fx";
return this.queue( type, function( next, hooks ) { var timeout = setTimeout( next, time ); hooks.stop = function() { clearTimeout( timeout ); }; }); };
(function() {
// Minified: var a,b,c,d,e
var input, div, select, a, opt;
// Setup div = document.createElement( "div" ); div.setAttribute( "className", "t" );
div.innerHTML = " <link/>a = div.getElementsByTagName("a")[ 0 ];
// First batch of tests. select = document.createElement("select"); opt = select.appendChild( document.createElement("option") ); input = div.getElementsByTagName("input")[ 0 ];
a.style.cssText = "top:1px";
// Test setAttribute on camelCase class. If it works, we need attrFixes when doing get/setAttribute (ie6/7) support.getSetAttribute = div.className !== "t";
// Get the style information from getAttribute // (IE uses .cssText instead) support.style = /top/.test( a.getAttribute("style") );
// Make sure that URLs aren't manipulated // (IE normalizes it by default) support.hrefNormalized = a.getAttribute("href") === "/a";
// Check the default checkbox/radio value ("" on WebKit; "on" elsewhere) support.checkOn = !!input.value;
// Make sure that a selected-by-default option has a working selected property. // (WebKit defaults to false instead of true, IE too, if it's in an optgroup) support.optSelected = opt.selected;
// Tests for enctype support on a form (#6743) support.enctype = !!document.createElement("form").enctype;
// Make sure that the options inside disabled selects aren't marked as disabled // (WebKit marks them as disabled) select.disabled = true; support.optDisabled = !opt.disabled;
// Support: IE8 only // Check if we can trust getAttribute("value") input = document.createElement( "input" ); input.setAttribute( "value", "" ); support.input = input.getAttribute( "value" ) === "";
// Check if an input maintains its value after becoming a radio input.value = "t"; input.setAttribute( "type", "radio" ); support.radioValue = input.value === "t"; })();
var rreturn = /\r/g;
jQuery.fn.extend({ val: function( value ) { var hooks, ret, isFunction, elem = this[0];
if ( !arguments.length ) { if ( elem ) { hooks = jQuery.valHooks[ elem.type ] || jQuery.valHooks[ elem.nodeName.toLowerCase() ];
if ( hooks && "get" in hooks && (ret = hooks.get( elem, "value" )) !== undefined ) { return ret; }
ret = elem.value;
return typeof ret === "string" ? // handle most common string cases ret.replace(rreturn, "") : // handle cases where value is null/undef or number ret == null ? "" : ret; }
return; }
isFunction = jQuery.isFunction( value );
return this.each(function( i ) { var val;
if ( this.nodeType !== 1 ) { return; }
if ( isFunction ) { val = value.call( this, i, jQuery( this ).val() ); } else { val = value; }
// Treat null/undefined as ""; convert numbers to string if ( val == null ) { val = ""; } else if ( typeof val === "number" ) { val += ""; } else if ( jQuery.isArray( val ) ) { val = jQuery.map( val, function( value ) { return value == null ? "" : value + ""; }); }
hooks = jQuery.valHooks[ this.type ] || jQuery.valHooks[ this.nodeName.toLowerCase() ];
// If set returns undefined, fall back to normal setting if ( !hooks || !("set" in hooks) || hooks.set( this, val, "value" ) === undefined ) { this.value = val; } }); } });
jQuery.extend({ valHooks: { option: { get: function( elem ) { var val = jQuery.find.attr( elem, "value" ); return val != null ? val : // Support: IE10-11+ // option.text throws exceptions (#14686, #14858) jQuery.trim( jQuery.text( elem ) ); } }, select: { get: function( elem ) { var value, option, options = elem.options, index = elem.selectedIndex, one = elem.type === "select-one" || index < 0, values = one ? null : [], max = one ? index + 1 : options.length, i = index < 0 ? max : one ? index : 0;
// Loop through all the selected options for ( ; i < max; i++ ) { option = options[ i ];
// oldIE doesn't update selected after form reset (#2551) if ( ( option.selected || i === index ) && // Don't return options that are disabled or in a disabled optgroup ( support.optDisabled ? !option.disabled : option.getAttribute("disabled") === null ) && ( !option.parentNode.disabled || !jQuery.nodeName( option.parentNode, "optgroup" ) ) ) {
// Get the specific value for the option value = jQuery( option ).val();
// We don't need an array for one selects if ( one ) { return value; }
// Multi-Selects return an array values.push( value ); } }
return values; },
set: function( elem, value ) { var optionSet, option, options = elem.options, values = jQuery.makeArray( value ), i = options.length;
while ( i-- ) { option = options[ i ];
if ( jQuery.inArray( jQuery.valHooks.option.get( option ), values ) >= 0 ) {
// Support: IE6 // When new option element is added to select box we need to // force reflow of newly added node in order to workaround delay // of initialization properties try { option.selected = optionSet = true;
} catch ( _ ) {
// Will be executed only in IE6 option.scrollHeight; }
} else { option.selected = false; } }
// Force browsers to behave consistently when non-matching value is set if ( !optionSet ) { elem.selectedIndex = -1; }
return options; } } } });
// Radios and checkboxes getter/setter jQuery.each([ "radio", "checkbox" ], function() { jQuery.valHooks[ this ] = { set: function( elem, value ) { if ( jQuery.isArray( value ) ) { return ( elem.checked = jQuery.inArray( jQuery(elem).val(), value ) >= 0 ); } } }; if ( !support.checkOn ) { jQuery.valHooks[ this ].get = function( elem ) { // Support: Webkit // "" is returned instead of "on" if a value isn't specified return elem.getAttribute("value") === null ? "on" : elem.value; }; } });
var nodeHook, boolHook,
attrHandle = jQuery.expr.attrHandle,
ruseDefault = /^(?:checked|selected)$/i,
getSetAttribute = support.getSetAttribute,
getSetInput = support.input;
jQuery.fn.extend({ attr: function( name, value ) { return access( this, jQuery.attr, name, value, arguments.length > 1 ); },
removeAttr: function( name ) { return this.each(function() { jQuery.removeAttr( this, name ); }); } });
jQuery.extend({ attr: function( elem, name, value ) { var hooks, ret, nType = elem.nodeType;
// don't get/set attributes on text, comment and attribute nodes if ( !elem || nType === 3 || nType === 8 || nType === 2 ) { return; }
// Fallback to prop when attributes are not supported if ( typeof elem.getAttribute === strundefined ) { return jQuery.prop( elem, name, value ); }
// All attributes are lowercase // Grab necessary hook if one is defined if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) { name = name.toLowerCase(); hooks = jQuery.attrHooks[ name ] || ( jQuery.expr.match.bool.test( name ) ? boolHook : nodeHook ); }
if ( value !== undefined ) {
if ( value === null ) { jQuery.removeAttr( elem, name );
} else if ( hooks && "set" in hooks && (ret = hooks.set( elem, value, name )) !== undefined ) { return ret;
} else { elem.setAttribute( name, value + "" ); return value; }
} else if ( hooks && "get" in hooks && (ret = hooks.get( elem, name )) !== null ) { return ret;
} else { ret = jQuery.find.attr( elem, name );
// Non-existent attributes return null, we normalize to undefined return ret == null ? undefined : ret; } },
removeAttr: function( elem, value ) { var name, propName, i = 0, attrNames = value && value.match( rnotwhite );
if ( attrNames && elem.nodeType === 1 ) { while ( (name = attrNames[i++]) ) { propName = jQuery.propFix[ name ] || name;
// Boolean attributes get special treatment (#10870) if ( jQuery.expr.match.bool.test( name ) ) { // Set corresponding property to false if ( getSetInput && getSetAttribute || !ruseDefault.test( name ) ) { elem[ propName ] = false; // Support: IE<9 // Also clear defaultChecked/defaultSelected (if appropriate) } else { elem[ jQuery.camelCase( "default-" + name ) ] = elem[ propName ] = false; }
// See #9699 for explanation of this approach (setting first, then removal) } else { jQuery.attr( elem, name, "" ); }
elem.removeAttribute( getSetAttribute ? name : propName ); } } },
attrHooks: { type: { set: function( elem, value ) { if ( !support.radioValue && value === "radio" && jQuery.nodeName(elem, "input") ) { // Setting the type on a radio button after the value resets the value in IE6-9 // Reset value to default in case type is set after value during creation var val = elem.value; elem.setAttribute( "type", value ); if ( val ) { elem.value = val; } return value; } } } } });
// Hook for boolean attributes boolHook = { set: function( elem, value, name ) { if ( value === false ) { // Remove boolean attributes when set to false jQuery.removeAttr( elem, name ); } else if ( getSetInput && getSetAttribute || !ruseDefault.test( name ) ) { // IE<8 needs the *property* name elem.setAttribute( !getSetAttribute && jQuery.propFix[ name ] || name, name );
// Use defaultChecked and defaultSelected for oldIE } else { elem[ jQuery.camelCase( "default-" + name ) ] = elem[ name ] = true; }
return name; } };
// Retrieve booleans specially jQuery.each( jQuery.expr.match.bool.source.match( /\w+/g ), function( i, name ) {
var getter = attrHandle[ name ] || jQuery.find.attr;
attrHandle[ name ] = getSetInput && getSetAttribute || !ruseDefault.test( name ) ? function( elem, name, isXML ) { var ret, handle; if ( !isXML ) { // Avoid an infinite loop by temporarily removing this function from the getter handle = attrHandle[ name ]; attrHandle[ name ] = ret; ret = getter( elem, name, isXML ) != null ? name.toLowerCase() : null; attrHandle[ name ] = handle; } return ret; } : function( elem, name, isXML ) { if ( !isXML ) { return elem[ jQuery.camelCase( "default-" + name ) ] ? name.toLowerCase() : null; } }; });
// fix oldIE attroperties if ( !getSetInput || !getSetAttribute ) { jQuery.attrHooks.value = { set: function( elem, value, name ) { if ( jQuery.nodeName( elem, "input" ) ) { // Does not return so that setAttribute is also used elem.defaultValue = value; } else { // Use nodeHook if defined (#1954); otherwise setAttribute is fine return nodeHook && nodeHook.set( elem, value, name ); } } }; }
// IE6/7 do not support getting/setting some attributes with get/setAttribute if ( !getSetAttribute ) {
// Use this for any attribute in IE6/7 // This fixes almost every IE6/7 issue nodeHook = { set: function( elem, value, name ) { // Set the existing or create a new attribute node var ret = elem.getAttributeNode( name ); if ( !ret ) { elem.setAttributeNode( (ret = elem.ownerDocument.createAttribute( name )) ); }
ret.value = value += "";
// Break association with cloned elements by also using setAttribute (#9646) if ( name === "value" || value === elem.getAttribute( name ) ) { return value; } } };
// Some attributes are constructed with empty-string values when not defined attrHandle.id = attrHandle.name = attrHandle.coords = function( elem, name, isXML ) { var ret; if ( !isXML ) { return (ret = elem.getAttributeNode( name )) && ret.value !== "" ? ret.value : null; } };
// Fixing value retrieval on a button requires this module jQuery.valHooks.button = { get: function( elem, name ) { var ret = elem.getAttributeNode( name ); if ( ret && ret.specified ) { return ret.value; } }, set: nodeHook.set };
// Set contenteditable to false on removals(#10429) // Setting to empty string throws an error as an invalid value jQuery.attrHooks.contenteditable = { set: function( elem, value, name ) { nodeHook.set( elem, value === "" ? false : value, name ); } };
// Set width and height to auto instead of 0 on empty string( Bug #8150 ) // This is for removals jQuery.each([ "width", "height" ], function( i, name ) { jQuery.attrHooks[ name ] = { set: function( elem, value ) { if ( value === "" ) { elem.setAttribute( name, "auto" ); return value; } } }; }); }
if ( !support.style ) { jQuery.attrHooks.style = { get: function( elem ) { // Return undefined in the case of empty string // Note: IE uppercases css property names, but if we were to .toLowerCase() // .cssText, that would destroy case senstitivity in URL's, like in "background" return elem.style.cssText || undefined; }, set: function( elem, value ) { return ( elem.style.cssText = value + "" ); } }; }
var rfocusable = /^(?:input|select|textarea|button|object)$/i,
rclickable = /^(?:a|area)$/i;
jQuery.fn.extend({ prop: function( name, value ) { return access( this, jQuery.prop, name, value, arguments.length > 1 ); },
removeProp: function( name ) { name = jQuery.propFix[ name ] || name; return this.each(function() { // try/catch handles cases where IE balks (such as removing a property on window) try { this[ name ] = undefined; delete this[ name ]; } catch( e ) {} }); } });
jQuery.extend({ propFix: { "for": "htmlFor", "class": "className" },
prop: function( elem, name, value ) { var ret, hooks, notxml, nType = elem.nodeType;
// don't get/set properties on text, comment and attribute nodes if ( !elem || nType === 3 || nType === 8 || nType === 2 ) { return; }
notxml = nType !== 1 || !jQuery.isXMLDoc( elem );
if ( notxml ) { // Fix name and attach hooks name = jQuery.propFix[ name ] || name; hooks = jQuery.propHooks[ name ]; }
if ( value !== undefined ) { return hooks && "set" in hooks && (ret = hooks.set( elem, value, name )) !== undefined ? ret : ( elem[ name ] = value );
} else { return hooks && "get" in hooks && (ret = hooks.get( elem, name )) !== null ? ret : elem[ name ]; } },
propHooks: { tabIndex: { get: function( elem ) { // elem.tabIndex doesn't always return the correct value when it hasn't been explicitly set // http://fluidproject.org/blog/2008/01/09/getting-setting-and-removing-tabindex-values-with-javascript/ // Use proper attribute retrieval(#12072) var tabindex = jQuery.find.attr( elem, "tabindex" );
return tabindex ? parseInt( tabindex, 10 ) : rfocusable.test( elem.nodeName ) || rclickable.test( elem.nodeName ) && elem.href ? 0 : -1; } } } });
// Some attributes require a special call on IE // http://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx if ( !support.hrefNormalized ) { // href/src property should get the full normalized URL (#10299/#12915) jQuery.each([ "href", "src" ], function( i, name ) { jQuery.propHooks[ name ] = { get: function( elem ) { return elem.getAttribute( name, 4 ); } }; }); }
// Support: Safari, IE9+ // mis-reports the default selected property of an option // Accessing the parent's selectedIndex property fixes it if ( !support.optSelected ) { jQuery.propHooks.selected = { get: function( elem ) { var parent = elem.parentNode;
if ( parent ) { parent.selectedIndex;
// Make sure that it also works with optgroups, see #5701 if ( parent.parentNode ) { parent.parentNode.selectedIndex; } } return null; } }; }
jQuery.each([ "tabIndex", "readOnly", "maxLength", "cellSpacing", "cellPadding", "rowSpan", "colSpan", "useMap", "frameBorder", "contentEditable" ], function() { jQuery.propFix[ this.toLowerCase() ] = this; });
// IE6/7 call enctype encoding if ( !support.enctype ) { jQuery.propFix.enctype = "encoding"; }
var rclass = /[\t\r\n\f]/g;
jQuery.fn.extend({ addClass: function( value ) { var classes, elem, cur, clazz, j, finalValue, i = 0, len = this.length, proceed = typeof value === "string" && value;
if ( jQuery.isFunction( value ) ) { return this.each(function( j ) { jQuery( this ).addClass( value.call( this, j, this.className ) ); }); }
if ( proceed ) { // The disjunction here is for better compressibility (see removeClass) classes = ( value || "" ).match( rnotwhite ) || [];
for ( ; i < len; i++ ) { elem = this[ i ]; cur = elem.nodeType === 1 && ( elem.className ? ( " " + elem.className + " " ).replace( rclass, " " ) : " " );
if ( cur ) { j = 0; while ( (clazz = classes[j++]) ) { if ( cur.indexOf( " " + clazz + " " ) < 0 ) { cur += clazz + " "; } }
// only assign if different to avoid unneeded rendering. finalValue = jQuery.trim( cur ); if ( elem.className !== finalValue ) { elem.className = finalValue; } } } }
return this; },
removeClass: function( value ) { var classes, elem, cur, clazz, j, finalValue, i = 0, len = this.length, proceed = arguments.length === 0 || typeof value === "string" && value;
if ( jQuery.isFunction( value ) ) { return this.each(function( j ) { jQuery( this ).removeClass( value.call( this, j, this.className ) ); }); } if ( proceed ) { classes = ( value || "" ).match( rnotwhite ) || [];
for ( ; i < len; i++ ) { elem = this[ i ]; // This expression is here for better compressibility (see addClass) cur = elem.nodeType === 1 && ( elem.className ? ( " " + elem.className + " " ).replace( rclass, " " ) : "" );
if ( cur ) { j = 0; while ( (clazz = classes[j++]) ) { // Remove *all* instances while ( cur.indexOf( " " + clazz + " " ) >= 0 ) { cur = cur.replace( " " + clazz + " ", " " ); } }
// only assign if different to avoid unneeded rendering. finalValue = value ? jQuery.trim( cur ) : ""; if ( elem.className !== finalValue ) { elem.className = finalValue; } } } }
return this; },
toggleClass: function( value, stateVal ) { var type = typeof value;
if ( typeof stateVal === "boolean" && type === "string" ) { return stateVal ? this.addClass( value ) : this.removeClass( value ); }
if ( jQuery.isFunction( value ) ) { return this.each(function( i ) { jQuery( this ).toggleClass( value.call(this, i, this.className, stateVal), stateVal ); }); }
return this.each(function() { if ( type === "string" ) { // toggle individual class names var className, i = 0, self = jQuery( this ), classNames = value.match( rnotwhite ) || [];
while ( (className = classNames[ i++ ]) ) { // check each className given, space separated list if ( self.hasClass( className ) ) { self.removeClass( className ); } else { self.addClass( className ); } }
// Toggle whole class name } else if ( type === strundefined || type === "boolean" ) { if ( this.className ) { // store className if set jQuery._data( this, "__className__", this.className ); }
// If the element has a class name or if we're passed "false", // then remove the whole classname (if there was one, the above saved it). // Otherwise bring back whatever was previously saved (if anything), // falling back to the empty string if nothing was stored. this.className = this.className || value === false ? "" : jQuery._data( this, "__className__" ) || ""; } }); },
hasClass: function( selector ) { var className = " " + selector + " ", i = 0, l = this.length; for ( ; i < l; i++ ) { if ( this[i].nodeType === 1 && (" " + this[i].className + " ").replace(rclass, " ").indexOf( className ) >= 0 ) { return true; } }
return false; } });
// Return jQuery for attributes-only inclusion
jQuery.each( ("blur focus focusin focusout load resize scroll unload click dblclick " +
"mousedown mouseup mousemove mouseover mouseout mouseenter mouseleave " +
"change select submit keydown keypress keyup error contextmenu").split(" "), function( i, name ) {
// Handle event binding jQuery.fn[ name ] = function( data, fn ) { return arguments.length > 0 ? this.on( name, null, data, fn ) : this.trigger( name ); }; });
jQuery.fn.extend({ hover: function( fnOver, fnOut ) { return this.mouseenter( fnOver ).mouseleave( fnOut || fnOver ); },
bind: function( types, data, fn ) { return this.on( types, null, data, fn ); }, unbind: function( types, fn ) { return this.off( types, null, fn ); },
delegate: function( selector, types, data, fn ) { return this.on( types, selector, data, fn ); }, undelegate: function( selector, types, fn ) { // ( namespace ) or ( selector, types [, fn] ) return arguments.length === 1 ? this.off( selector, "**" ) : this.off( types, selector || "**", fn ); } });
var nonce = jQuery.now();
var rquery = (/\?/);
var rvalidtokens = /(,)|(\[|{)|(}|])|"(?:[^"\\\r\n]|\\["\\\/bfnrt]|\\u[\da-fA-F]{4})*"\s*:?|true|false|null|-?(?!0\d)\d+(?:\.\d+|)(?:[eE][+-]?\d+|)/g;
jQuery.parseJSON = function( data ) { // Attempt to parse using the native JSON parser first if ( window.JSON && window.JSON.parse ) { // Support: Android 2.3 // Workaround failure to string-cast null input return window.JSON.parse( data + "" ); }
var requireNonComma, depth = null, str = jQuery.trim( data + "" );
// Guard against invalid (and possibly dangerous) input by ensuring that nothing remains // after removing valid tokens return str && !jQuery.trim( str.replace( rvalidtokens, function( token, comma, open, close ) {
// Force termination if we see a misplaced comma if ( requireNonComma && comma ) { depth = 0; }
// Perform no more replacements after returning to outermost depth if ( depth === 0 ) { return token; }
// Commas must not follow "[", "{", or "," requireNonComma = open || comma;
// Determine new depth // array/object open ("[" or "{"): depth += true - false (increment) // array/object close ("]" or "}"): depth += false - true (decrement) // other cases ("," or primitive): depth += true - true (numeric cast) depth += !close - !open;
// Remove this token return ""; }) ) ? ( Function( "return " + str ) )() : jQuery.error( "Invalid JSON: " + data ); };
// Cross-browser xml parsing
jQuery.parseXML = function( data ) {
var xml, tmp;
if ( !data || typeof data !== "string" ) {
return null;
}
try {
if ( window.DOMParser ) { // Standard
tmp = new DOMParser();
xml = tmp.parseFromString( data, "text/xml" );
} else { // IE
xml = new ActiveXObject( "Microsoft.XMLDOM" );
xml.async = "false";
xml.loadXML( data );
}
} catch( e ) {
xml = undefined;
}
if ( !xml || !xml.documentElement || xml.getElementsByTagName( "parsererror" ).length ) {
jQuery.error( "Invalid XML: " + data );
}
return xml;
};
var
// Document location
ajaxLocParts,
ajaxLocation,
rhash = /#.*$/, rts = /([?&])_=[^&]*/, rheaders = /^(.*?):[ \t]*([^\r\n]*)\r?$/mg, // IE leaves an \r character at EOL // #7653, #8125, #8152: local protocol detection rlocalProtocol = /^(?:about|app|app-storage|.+-extension|file|res|widget):$/, rnoContent = /^(?:GET|HEAD)$/, rprotocol = /^\/\//, rurl = /^([\w.+-]+:)(?:\/\/(?:[^\/?#]*@|)([^\/?#:]*)(?::(\d+)|)|)/,
/* Prefilters * 1) They are useful to introduce custom dataTypes (see ajax/jsonp.js for an example) * 2) These are called: * - BEFORE asking for a transport * - AFTER param serialization (s.data is a string if s.processData is true) * 3) key is the dataType * 4) the catchall symbol "*" can be used * 5) execution will start with transport dataType and THEN continue down to "*" if needed */ prefilters = {},
/* Transports bindings * 1) key is the dataType * 2) the catchall symbol "*" can be used * 3) selection will start with transport dataType and THEN go to "*" if needed */ transports = {},
// Avoid comment-prolog char sequence (#10098); must appease lint and evade compression allTypes = "*/".concat("*");
// #8138, IE may throw an exception when accessing // a field from window.location if document.domain has been set try { ajaxLocation = location.href; } catch( e ) { // Use the href attribute of an A element // since IE will modify it given document.location ajaxLocation = document.createElement( "a" ); ajaxLocation.href = ""; ajaxLocation = ajaxLocation.href; }
// Segment location into parts ajaxLocParts = rurl.exec( ajaxLocation.toLowerCase() ) || [];
// Base "constructor" for jQuery.ajaxPrefilter and jQuery.ajaxTransport function addToPrefiltersOrTransports( structure ) {
// dataTypeExpression is optional and defaults to "*" return function( dataTypeExpression, func ) {
if ( typeof dataTypeExpression !== "string" ) { func = dataTypeExpression; dataTypeExpression = "*"; }
var dataType, i = 0, dataTypes = dataTypeExpression.toLowerCase().match( rnotwhite ) || [];
if ( jQuery.isFunction( func ) ) { // For each dataType in the dataTypeExpression while ( (dataType = dataTypes[i++]) ) { // Prepend if requested if ( dataType.charAt( 0 ) === "+" ) { dataType = dataType.slice( 1 ) || "*"; (structure[ dataType ] = structure[ dataType ] || []).unshift( func );
// Otherwise append } else { (structure[ dataType ] = structure[ dataType ] || []).push( func ); } } } }; }
// Base inspection function for prefilters and transports function inspectPrefiltersOrTransports( structure, options, originalOptions, jqXHR ) {
var inspected = {}, seekingTransport = ( structure === transports );
function inspect( dataType ) { var selected; inspected[ dataType ] = true; jQuery.each( structure[ dataType ] || [], function( _, prefilterOrFactory ) { var dataTypeOrTransport = prefilterOrFactory( options, originalOptions, jqXHR ); if ( typeof dataTypeOrTransport === "string" && !seekingTransport && !inspected[ dataTypeOrTransport ] ) { options.dataTypes.unshift( dataTypeOrTransport ); inspect( dataTypeOrTransport ); return false; } else if ( seekingTransport ) { return !( selected = dataTypeOrTransport ); } }); return selected; }
return inspect( options.dataTypes[ 0 ] ) || !inspected[ "*" ] && inspect( "*" ); }
// A special extend for ajax options // that takes "flat" options (not to be deep extended) // Fixes #9887 function ajaxExtend( target, src ) { var deep, key, flatOptions = jQuery.ajaxSettings.flatOptions || {};
for ( key in src ) { if ( src[ key ] !== undefined ) { ( flatOptions[ key ] ? target : ( deep || (deep = {}) ) )[ key ] = src[ key ]; } } if ( deep ) { jQuery.extend( true, target, deep ); }
return target; }
/* Handles responses to an ajax request:
* - finds the right dataType (mediates between content-type and expected dataType) * - returns the corresponding response */
function ajaxHandleResponses( s, jqXHR, responses ) { var firstDataType, ct, finalDataType, type, contents = s.contents, dataTypes = s.dataTypes;
// Remove auto dataType and get content-type in the process while ( dataTypes[ 0 ] === "*" ) { dataTypes.shift(); if ( ct === undefined ) { ct = s.mimeType || jqXHR.getResponseHeader("Content-Type"); } }
// Check if we're dealing with a known content-type if ( ct ) { for ( type in contents ) { if ( contents[ type ] && contents[ type ].test( ct ) ) { dataTypes.unshift( type ); break; } } }
// Check to see if we have a response for the expected dataType if ( dataTypes[ 0 ] in responses ) { finalDataType = dataTypes[ 0 ]; } else { // Try convertible dataTypes for ( type in responses ) { if ( !dataTypes[ 0 ] || s.converters[ type + " " + dataTypes[0] ] ) { finalDataType = type; break; } if ( !firstDataType ) { firstDataType = type; } } // Or just use first one finalDataType = finalDataType || firstDataType; }
// If we found a dataType // We add the dataType to the list if needed // and return the corresponding response if ( finalDataType ) { if ( finalDataType !== dataTypes[ 0 ] ) { dataTypes.unshift( finalDataType ); } return responses[ finalDataType ]; } }
/* Chain conversions given the request and the original response
* Also sets the responseXXX fields on the jqXHR instance */
function ajaxConvert( s, response, jqXHR, isSuccess ) { var conv2, current, conv, tmp, prev, converters = {}, // Work with a copy of dataTypes in case we need to modify it for conversion dataTypes = s.dataTypes.slice();
// Create converters map with lowercased keys if ( dataTypes[ 1 ] ) { for ( conv in s.converters ) { converters[ conv.toLowerCase() ] = s.converters[ conv ]; } }
current = dataTypes.shift();
// Convert to each sequential dataType while ( current ) {
if ( s.responseFields[ current ] ) { jqXHR[ s.responseFields[ current ] ] = response; }
// Apply the dataFilter if provided if ( !prev && isSuccess && s.dataFilter ) { response = s.dataFilter( response, s.dataType ); }
prev = current; current = dataTypes.shift();
if ( current ) {
// There's only work to do if current dataType is non-auto if ( current === "*" ) {
current = prev;
// Convert response if prev dataType is non-auto and differs from current } else if ( prev !== "*" && prev !== current ) {
// Seek a direct converter conv = converters[ prev + " " + current ] || converters[ "* " + current ];
// If none found, seek a pair if ( !conv ) { for ( conv2 in converters ) {
// If conv2 outputs current tmp = conv2.split( " " ); if ( tmp[ 1 ] === current ) {
// If prev can be converted to accepted input conv = converters[ prev + " " + tmp[ 0 ] ] || converters[ "* " + tmp[ 0 ] ]; if ( conv ) { // Condense equivalence converters if ( conv === true ) { conv = converters[ conv2 ];
// Otherwise, insert the intermediate dataType } else if ( converters[ conv2 ] !== true ) { current = tmp[ 0 ]; dataTypes.unshift( tmp[ 1 ] ); } break; } } } }
// Apply converter (if not an equivalence) if ( conv !== true ) {
// Unless errors are allowed to bubble, catch and return them if ( conv && s[ "throws" ] ) { response = conv( response ); } else { try { response = conv( response ); } catch ( e ) { return { state: "parsererror", error: conv ? e : "No conversion from " + prev + " to " + current }; } } } } } }
return { state: "success", data: response }; }
jQuery.extend({
// Counter for holding the number of active queries active: 0,
// Last-Modified header cache for next request lastModified: {}, etag: {},
ajaxSettings: { url: ajaxLocation, type: "GET", isLocal: rlocalProtocol.test( ajaxLocParts[ 1 ] ), global: true, processData: true, async: true, contentType: "application/x-www-form-urlencoded; charset=UTF-8", /* timeout: 0, data: null, dataType: null, username: null, password: null, cache: null, throws: false, traditional: false, headers: {}, */
accepts: { "*": allTypes, text: "text/plain", html: "text/html", xml: "application/xml, text/xml", json: "application/json, text/javascript" },
contents: { xml: /xml/, html: /html/, json: /json/ },
responseFields: { xml: "responseXML", text: "responseText", json: "responseJSON" },
// Data converters // Keys separate source (or catchall "*") and destination types with a single space converters: {
// Convert anything to text "* text": String,
// Text to html (true = no transformation) "text html": true,
// Evaluate text as a json expression "text json": jQuery.parseJSON,
// Parse text as xml "text xml": jQuery.parseXML },
// For options that shouldn't be deep extended: // you can add your own custom options here if // and when you create one that shouldn't be // deep extended (see ajaxExtend) flatOptions: { url: true, context: true } },
// Creates a full fledged settings object into target // with both ajaxSettings and settings fields. // If target is omitted, writes into ajaxSettings. ajaxSetup: function( target, settings ) { return settings ?
// Building a settings object ajaxExtend( ajaxExtend( target, jQuery.ajaxSettings ), settings ) :
// Extending ajaxSettings ajaxExtend( jQuery.ajaxSettings, target ); },
ajaxPrefilter: addToPrefiltersOrTransports( prefilters ), ajaxTransport: addToPrefiltersOrTransports( transports ),
// Main method ajax: function( url, options ) {
// If url is an object, simulate pre-1.5 signature if ( typeof url === "object" ) { options = url; url = undefined; }
// Force options to be an object options = options || {};
var // Cross-domain detection vars parts, // Loop variable i, // URL without anti-cache param cacheURL, // Response headers as string responseHeadersString, // timeout handle timeoutTimer,
// To know if global events are to be dispatched fireGlobals,
transport, // Response headers responseHeaders, // Create the final options object s = jQuery.ajaxSetup( {}, options ), // Callbacks context callbackContext = s.context || s, // Context for global events is callbackContext if it is a DOM node or jQuery collection globalEventContext = s.context && ( callbackContext.nodeType || callbackContext.jquery ) ? jQuery( callbackContext ) : jQuery.event, // Deferreds deferred = jQuery.Deferred(), completeDeferred = jQuery.Callbacks("once memory"), // Status-dependent callbacks statusCode = s.statusCode || {}, // Headers (they are sent all at once) requestHeaders = {}, requestHeadersNames = {}, // The jqXHR state state = 0, // Default abort message strAbort = "canceled", // Fake xhr jqXHR = { readyState: 0,
// Builds headers hashtable if needed getResponseHeader: function( key ) { var match; if ( state === 2 ) { if ( !responseHeaders ) { responseHeaders = {}; while ( (match = rheaders.exec( responseHeadersString )) ) { responseHeaders[ match[1].toLowerCase() ] = match[ 2 ]; } } match = responseHeaders[ key.toLowerCase() ]; } return match == null ? null : match; },
// Raw string getAllResponseHeaders: function() { return state === 2 ? responseHeadersString : null; },
// Caches the header setRequestHeader: function( name, value ) { var lname = name.toLowerCase(); if ( !state ) { name = requestHeadersNames[ lname ] = requestHeadersNames[ lname ] || name; requestHeaders[ name ] = value; } return this; },
// Overrides response content-type header overrideMimeType: function( type ) { if ( !state ) { s.mimeType = type; } return this; },
// Status-dependent callbacks statusCode: function( map ) { var code; if ( map ) { if ( state < 2 ) { for ( code in map ) { // Lazy-add the new callback in a way that preserves old ones statusCode[ code ] = [ statusCode[ code ], map[ code ] ]; } } else { // Execute the appropriate callbacks jqXHR.always( map[ jqXHR.status ] ); } } return this; },
// Cancel the request abort: function( statusText ) { var finalText = statusText || strAbort; if ( transport ) { transport.abort( finalText ); } done( 0, finalText ); return this; } };
// Attach deferreds deferred.promise( jqXHR ).complete = completeDeferred.add; jqXHR.success = jqXHR.done; jqXHR.error = jqXHR.fail;
// Remove hash character (#7531: and string promotion) // Add protocol if not provided (#5866: IE7 issue with protocol-less urls) // Handle falsy url in the settings object (#10093: consistency with old signature) // We also use the url parameter if available s.url = ( ( url || s.url || ajaxLocation ) + "" ).replace( rhash, "" ).replace( rprotocol, ajaxLocParts[ 1 ] + "//" );
// Alias method option to type as per ticket #12004 s.type = options.method || options.type || s.method || s.type;
// Extract dataTypes list s.dataTypes = jQuery.trim( s.dataType || "*" ).toLowerCase().match( rnotwhite ) || [ "" ];
// A cross-domain request is in order when we have a protocol:host:port mismatch if ( s.crossDomain == null ) { parts = rurl.exec( s.url.toLowerCase() ); s.crossDomain = !!( parts && ( parts[ 1 ] !== ajaxLocParts[ 1 ] || parts[ 2 ] !== ajaxLocParts[ 2 ] || ( parts[ 3 ] || ( parts[ 1 ] === "http:" ? "80" : "443" ) ) !== ( ajaxLocParts[ 3 ] || ( ajaxLocParts[ 1 ] === "http:" ? "80" : "443" ) ) ) ); }
// Convert data if not already a string if ( s.data && s.processData && typeof s.data !== "string" ) { s.data = jQuery.param( s.data, s.traditional ); }
// Apply prefilters inspectPrefiltersOrTransports( prefilters, s, options, jqXHR );
// If request was aborted inside a prefilter, stop there if ( state === 2 ) { return jqXHR; }
// We can fire global events as of now if asked to fireGlobals = s.global;
// Watch for a new set of requests if ( fireGlobals && jQuery.active++ === 0 ) { jQuery.event.trigger("ajaxStart"); }
// Uppercase the type s.type = s.type.toUpperCase();
// Determine if request has content s.hasContent = !rnoContent.test( s.type );
// Save the URL in case we're toying with the If-Modified-Since // and/or If-None-Match header later on cacheURL = s.url;
// More options handling for requests with no content if ( !s.hasContent ) {
// If data is available, append data to url if ( s.data ) { cacheURL = ( s.url += ( rquery.test( cacheURL ) ? "&" : "?" ) + s.data ); // #9682: remove data so that it's not used in an eventual retry delete s.data; }
// Add anti-cache in url if needed if ( s.cache === false ) { s.url = rts.test( cacheURL ) ?
// If there is already a '_' parameter, set its value cacheURL.replace( rts, "$1_=" + nonce++ ) :
// Otherwise add one to the end cacheURL + ( rquery.test( cacheURL ) ? "&" : "?" ) + "_=" + nonce++; } }
// Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode. if ( s.ifModified ) { if ( jQuery.lastModified[ cacheURL ] ) { jqXHR.setRequestHeader( "If-Modified-Since", jQuery.lastModified[ cacheURL ] ); } if ( jQuery.etag[ cacheURL ] ) { jqXHR.setRequestHeader( "If-None-Match", jQuery.etag[ cacheURL ] ); } }
// Set the correct header, if data is being sent if ( s.data && s.hasContent && s.contentType !== false || options.contentType ) { jqXHR.setRequestHeader( "Content-Type", s.contentType ); }
// Set the Accepts header for the server, depending on the dataType jqXHR.setRequestHeader( "Accept", s.dataTypes[ 0 ] && s.accepts[ s.dataTypes[0] ] ? s.accepts[ s.dataTypes[0] ] + ( s.dataTypes[ 0 ] !== "*" ? ", " + allTypes + "; q=0.01" : "" ) : s.accepts[ "*" ] );
// Check for headers option for ( i in s.headers ) { jqXHR.setRequestHeader( i, s.headers[ i ] ); }
// Allow custom headers/mimetypes and early abort if ( s.beforeSend && ( s.beforeSend.call( callbackContext, jqXHR, s ) === false || state === 2 ) ) { // Abort if not done already and return return jqXHR.abort(); }
// aborting is no longer a cancellation strAbort = "abort";
// Install callbacks on deferreds for ( i in { success: 1, error: 1, complete: 1 } ) { jqXHR[ i ]( s[ i ] ); }
// Get transport transport = inspectPrefiltersOrTransports( transports, s, options, jqXHR );
// If no transport, we auto-abort if ( !transport ) { done( -1, "No Transport" ); } else { jqXHR.readyState = 1;
// Send global event if ( fireGlobals ) { globalEventContext.trigger( "ajaxSend", [ jqXHR, s ] ); } // Timeout if ( s.async && s.timeout > 0 ) { timeoutTimer = setTimeout(function() { jqXHR.abort("timeout"); }, s.timeout ); }
try { state = 1; transport.send( requestHeaders, done ); } catch ( e ) { // Propagate exception as error if not done if ( state < 2 ) { done( -1, e ); // Simply rethrow otherwise } else { throw e; } } }
// Callback for when everything is done function done( status, nativeStatusText, responses, headers ) { var isSuccess, success, error, response, modified, statusText = nativeStatusText;
// Called once if ( state === 2 ) { return; }
// State is "done" now state = 2;
// Clear timeout if it exists if ( timeoutTimer ) { clearTimeout( timeoutTimer ); }
// Dereference transport for early garbage collection // (no matter how long the jqXHR object will be used) transport = undefined;
// Cache response headers responseHeadersString = headers || "";
// Set readyState jqXHR.readyState = status > 0 ? 4 : 0;
// Determine if successful isSuccess = status >= 200 && status < 300 || status === 304;
// Get response data if ( responses ) { response = ajaxHandleResponses( s, jqXHR, responses ); }
// Convert no matter what (that way responseXXX fields are always set) response = ajaxConvert( s, response, jqXHR, isSuccess );
// If successful, handle type chaining if ( isSuccess ) {
// Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode. if ( s.ifModified ) { modified = jqXHR.getResponseHeader("Last-Modified"); if ( modified ) { jQuery.lastModified[ cacheURL ] = modified; } modified = jqXHR.getResponseHeader("etag"); if ( modified ) { jQuery.etag[ cacheURL ] = modified; } }
// if no content if ( status === 204 || s.type === "HEAD" ) { statusText = "nocontent";
// if not modified } else if ( status === 304 ) { statusText = "notmodified";
// If we have data, let's convert it } else { statusText = response.state; success = response.data; error = response.error; isSuccess = !error; } } else { // We extract error from statusText // then normalize statusText and status for non-aborts error = statusText; if ( status || !statusText ) { statusText = "error"; if ( status < 0 ) { status = 0; } } }
// Set data for the fake xhr object jqXHR.status = status; jqXHR.statusText = ( nativeStatusText || statusText ) + "";
// Success/Error if ( isSuccess ) { deferred.resolveWith( callbackContext, [ success, statusText, jqXHR ] ); } else { deferred.rejectWith( callbackContext, [ jqXHR, statusText, error ] ); }
// Status-dependent callbacks jqXHR.statusCode( statusCode ); statusCode = undefined;
if ( fireGlobals ) { globalEventContext.trigger( isSuccess ? "ajaxSuccess" : "ajaxError", [ jqXHR, s, isSuccess ? success : error ] ); }
// Complete completeDeferred.fireWith( callbackContext, [ jqXHR, statusText ] );
if ( fireGlobals ) { globalEventContext.trigger( "ajaxComplete", [ jqXHR, s ] ); // Handle the global AJAX counter if ( !( --jQuery.active ) ) { jQuery.event.trigger("ajaxStop"); } } }
return jqXHR; },
getJSON: function( url, data, callback ) { return jQuery.get( url, data, callback, "json" ); },
getScript: function( url, callback ) { return jQuery.get( url, undefined, callback, "script" ); } });
jQuery.each( [ "get", "post" ], function( i, method ) { jQuery[ method ] = function( url, data, callback, type ) { // shift arguments if data argument was omitted if ( jQuery.isFunction( data ) ) { type = type || callback; callback = data; data = undefined; }
return jQuery.ajax({ url: url, type: method, dataType: type, data: data, success: callback }); }; });
// Attach a bunch of functions for handling common AJAX events jQuery.each( [ "ajaxStart", "ajaxStop", "ajaxComplete", "ajaxError", "ajaxSuccess", "ajaxSend" ], function( i, type ) { jQuery.fn[ type ] = function( fn ) { return this.on( type, fn ); }; });
jQuery._evalUrl = function( url ) {
return jQuery.ajax({
url: url,
type: "GET",
dataType: "script",
async: false,
global: false,
"throws": true
});
};
jQuery.fn.extend({
wrapAll: function( html ) {
if ( jQuery.isFunction( html ) ) {
return this.each(function(i) {
jQuery(this).wrapAll( html.call(this, i) );
});
}
if ( this[0] ) { // The elements to wrap the target around var wrap = jQuery( html, this[0].ownerDocument ).eq(0).clone(true);
if ( this[0].parentNode ) { wrap.insertBefore( this[0] ); }
wrap.map(function() { var elem = this;
while ( elem.firstChild && elem.firstChild.nodeType === 1 ) { elem = elem.firstChild; }
return elem; }).append( this ); }
return this; },
wrapInner: function( html ) { if ( jQuery.isFunction( html ) ) { return this.each(function(i) { jQuery(this).wrapInner( html.call(this, i) ); }); }
return this.each(function() { var self = jQuery( this ), contents = self.contents();
if ( contents.length ) { contents.wrapAll( html );
} else { self.append( html ); } }); },
wrap: function( html ) { var isFunction = jQuery.isFunction( html );
return this.each(function(i) { jQuery( this ).wrapAll( isFunction ? html.call(this, i) : html ); }); },
unwrap: function() { return this.parent().each(function() { if ( !jQuery.nodeName( this, "body" ) ) { jQuery( this ).replaceWith( this.childNodes ); } }).end(); } });
jQuery.expr.filters.hidden = function( elem ) {
// Support: Opera <= 12.12
// Opera reports offsetWidths and offsetHeights less than zero on some elements
return elem.offsetWidth <= 0 && elem.offsetHeight <= 0 ||
(!support.reliableHiddenOffsets() &&
((elem.style && elem.style.display) || jQuery.css( elem, "display" )) === "none");
};
jQuery.expr.filters.visible = function( elem ) { return !jQuery.expr.filters.hidden( elem ); };
var r20 = /%20/g,
rbracket = /\[\]$/,
rCRLF = /\r?\n/g,
rsubmitterTypes = /^(?:submit|button|image|reset|file)$/i,
rsubmittable = /^(?:input|select|textarea|keygen)/i;
function buildParams( prefix, obj, traditional, add ) { var name;
if ( jQuery.isArray( obj ) ) { // Serialize array item. jQuery.each( obj, function( i, v ) { if ( traditional || rbracket.test( prefix ) ) { // Treat each array item as a scalar. add( prefix, v );
} else { // Item is non-scalar (array or object), encode its numeric index. buildParams( prefix + "[" + ( typeof v === "object" ? i : "" ) + "]", v, traditional, add ); } });
} else if ( !traditional && jQuery.type( obj ) === "object" ) { // Serialize object item. for ( name in obj ) { buildParams( prefix + "[" + name + "]", obj[ name ], traditional, add ); }
} else { // Serialize scalar item. add( prefix, obj ); } }
// Serialize an array of form elements or a set of // key/values into a query string jQuery.param = function( a, traditional ) { var prefix, s = [], add = function( key, value ) { // If value is a function, invoke it and return its value value = jQuery.isFunction( value ) ? value() : ( value == null ? "" : value ); s[ s.length ] = encodeURIComponent( key ) + "=" + encodeURIComponent( value ); };
// Set traditional to true for jQuery <= 1.3.2 behavior. if ( traditional === undefined ) { traditional = jQuery.ajaxSettings && jQuery.ajaxSettings.traditional; }
// If an array was passed in, assume that it is an array of form elements. if ( jQuery.isArray( a ) || ( a.jquery && !jQuery.isPlainObject( a ) ) ) { // Serialize the form elements jQuery.each( a, function() { add( this.name, this.value ); });
} else { // If traditional, encode the "old" way (the way 1.3.2 or older // did it), otherwise encode params recursively. for ( prefix in a ) { buildParams( prefix, a[ prefix ], traditional, add ); } }
// Return the resulting serialization return s.join( "&" ).replace( r20, "+" ); };
jQuery.fn.extend({ serialize: function() { return jQuery.param( this.serializeArray() ); }, serializeArray: function() { return this.map(function() { // Can add propHook for "elements" to filter or add form elements var elements = jQuery.prop( this, "elements" ); return elements ? jQuery.makeArray( elements ) : this; }) .filter(function() { var type = this.type; // Use .is(":disabled") so that fieldset[disabled] works return this.name && !jQuery( this ).is( ":disabled" ) && rsubmittable.test( this.nodeName ) && !rsubmitterTypes.test( type ) && ( this.checked || !rcheckableType.test( type ) ); }) .map(function( i, elem ) { var val = jQuery( this ).val();
return val == null ? null : jQuery.isArray( val ) ? jQuery.map( val, function( val ) { return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) }; }) : { name: elem.name, value: val.replace( rCRLF, "\r\n" ) }; }).get(); } });
// Create the request object
// (This is still attached to ajaxSettings for backward compatibility)
jQuery.ajaxSettings.xhr = window.ActiveXObject !== undefined ?
// Support: IE6+
function() {
// XHR cannot access local files, always use ActiveX for that case return !this.isLocal &&
// Support: IE7-8 // oldIE XHR does not support non-RFC2616 methods (#13240) // See http://msdn.microsoft.com/en-us/library/ie/ms536648(v=vs.85).aspx // and http://www.w3.org/Protocols/rfc2616/rfc2616-sec9.html#sec9 // Although this check for six methods instead of eight // since IE also does not support "trace" and "connect" /^(get|post|head|put|delete|options)$/i.test( this.type ) &&
createStandardXHR() || createActiveXHR(); } : // For all other browsers, use the standard XMLHttpRequest object createStandardXHR;
var xhrId = 0, xhrCallbacks = {}, xhrSupported = jQuery.ajaxSettings.xhr();
// Support: IE<10 // Open requests must be manually aborted on unload (#5280) if ( window.ActiveXObject ) { jQuery( window ).on( "unload", function() { for ( var key in xhrCallbacks ) { xhrCallbacks[ key ]( undefined, true ); } }); }
// Determine support properties support.cors = !!xhrSupported && ( "withCredentials" in xhrSupported ); xhrSupported = support.ajax = !!xhrSupported;
// Create transport if the browser can provide an xhr if ( xhrSupported ) {
jQuery.ajaxTransport(function( options ) { // Cross domain only allowed if supported through XMLHttpRequest if ( !options.crossDomain || support.cors ) {
var callback;
return { send: function( headers, complete ) { var i, xhr = options.xhr(), id = ++xhrId;
// Open the socket xhr.open( options.type, options.url, options.async, options.username, options.password );
// Apply custom fields if provided if ( options.xhrFields ) { for ( i in options.xhrFields ) { xhr[ i ] = options.xhrFields[ i ]; } }
// Override mime type if needed if ( options.mimeType && xhr.overrideMimeType ) { xhr.overrideMimeType( options.mimeType ); }
// X-Requested-With header // For cross-domain requests, seeing as conditions for a preflight are // akin to a jigsaw puzzle, we simply never set it to be sure. // (it can always be set on a per-request basis or even using ajaxSetup) // For same-domain requests, won't change header if already provided. if ( !options.crossDomain && !headers["X-Requested-With"] ) { headers["X-Requested-With"] = "XMLHttpRequest"; }
// Set headers for ( i in headers ) { // Support: IE<9 // IE's ActiveXObject throws a 'Type Mismatch' exception when setting // request header to a null-value. // // To keep consistent with other XHR implementations, cast the value // to string and ignore `undefined`. if ( headers[ i ] !== undefined ) { xhr.setRequestHeader( i, headers[ i ] + "" ); } }
// Do send the request // This may raise an exception which is actually // handled in jQuery.ajax (so no try/catch here) xhr.send( ( options.hasContent && options.data ) || null );
// Listener callback = function( _, isAbort ) { var status, statusText, responses;
// Was never called and is aborted or complete if ( callback && ( isAbort || xhr.readyState === 4 ) ) { // Clean up delete xhrCallbacks[ id ]; callback = undefined; xhr.onreadystatechange = jQuery.noop;
// Abort manually if needed if ( isAbort ) { if ( xhr.readyState !== 4 ) { xhr.abort(); } } else { responses = {}; status = xhr.status;
// Support: IE<10 // Accessing binary-data responseText throws an exception // (#11426) if ( typeof xhr.responseText === "string" ) { responses.text = xhr.responseText; }
// Firefox throws an exception when accessing // statusText for faulty cross-domain requests try { statusText = xhr.statusText; } catch( e ) { // We normalize with Webkit giving an empty statusText statusText = ""; }
// Filter status for non standard behaviors
// If the request is local and we have data: assume a success // (success with no data won't get notified, that's the best we // can do given current implementations) if ( !status && options.isLocal && !options.crossDomain ) { status = responses.text ? 200 : 404; // IE - #1450: sometimes returns 1223 when it should be 204 } else if ( status === 1223 ) { status = 204; } } }
// Call complete if needed if ( responses ) { complete( status, statusText, responses, xhr.getAllResponseHeaders() ); } };
if ( !options.async ) { // if we're in sync mode we fire the callback callback(); } else if ( xhr.readyState === 4 ) { // (IE6 & IE7) if it's in cache and has been // retrieved directly we need to fire the callback setTimeout( callback ); } else { // Add to the list of active xhr callbacks xhr.onreadystatechange = xhrCallbacks[ id ] = callback; } },
abort: function() { if ( callback ) { callback( undefined, true ); } } }; } }); }
// Functions to create xhrs function createStandardXHR() { try { return new window.XMLHttpRequest(); } catch( e ) {} }
function createActiveXHR() { try { return new window.ActiveXObject( "Microsoft.XMLHTTP" ); } catch( e ) {} }
// Install script dataType
jQuery.ajaxSetup({
accepts: {
script: "text/javascript, application/javascript, application/ecmascript, application/x-ecmascript"
},
contents: {
script: /(?:java|ecma)script/
},
converters: {
"text script": function( text ) {
jQuery.globalEval( text );
return text;
}
}
});
// Handle cache's special case and global jQuery.ajaxPrefilter( "script", function( s ) { if ( s.cache === undefined ) { s.cache = false; } if ( s.crossDomain ) { s.type = "GET"; s.global = false; } });
// Bind script tag hack transport jQuery.ajaxTransport( "script", function(s) {
// This transport only deals with cross domain requests if ( s.crossDomain ) {
var script, head = document.head || jQuery("head")[0] || document.documentElement;
return {
send: function( _, callback ) {
script = document.createElement("script");
script.async = true;
if ( s.scriptCharset ) { script.charset = s.scriptCharset; }
script.src = s.url;
// Attach handlers for all browsers script.onload = script.onreadystatechange = function( _, isAbort ) {
if ( isAbort || !script.readyState || /loaded|complete/.test( script.readyState ) ) {
// Handle memory leak in IE script.onload = script.onreadystatechange = null;
// Remove the script if ( script.parentNode ) { script.parentNode.removeChild( script ); }
// Dereference the script script = null;
// Callback if not abort if ( !isAbort ) { callback( 200, "success" ); } } };
// Circumvent IE6 bugs with base elements (#2709 and #4378) by prepending // Use native DOM manipulation to avoid our domManip AJAX trickery head.insertBefore( script, head.firstChild ); },
abort: function() { if ( script ) { script.onload( undefined, true ); } } }; } });
var oldCallbacks = [],
rjsonp = /(=)\?(?=&|$)|\?\?/;
// Default jsonp settings jQuery.ajaxSetup({ jsonp: "callback", jsonpCallback: function() { var callback = oldCallbacks.pop() || ( jQuery.expando + "_" + ( nonce++ ) ); this[ callback ] = true; return callback; } });
// Detect, normalize options and install callbacks for jsonp requests jQuery.ajaxPrefilter( "json jsonp", function( s, originalSettings, jqXHR ) {
var callbackName, overwritten, responseContainer, jsonProp = s.jsonp !== false && ( rjsonp.test( s.url ) ? "url" : typeof s.data === "string" && !( s.contentType || "" ).indexOf("application/x-www-form-urlencoded") && rjsonp.test( s.data ) && "data" );
// Handle iff the expected data type is "jsonp" or we have a parameter to set if ( jsonProp || s.dataTypes[ 0 ] === "jsonp" ) {
// Get callback name, remembering preexisting value associated with it callbackName = s.jsonpCallback = jQuery.isFunction( s.jsonpCallback ) ? s.jsonpCallback() : s.jsonpCallback;
// Insert callback into url or form data if ( jsonProp ) { s[ jsonProp ] = s[ jsonProp ].replace( rjsonp, "$1" + callbackName ); } else if ( s.jsonp !== false ) { s.url += ( rquery.test( s.url ) ? "&" : "?" ) + s.jsonp + "=" + callbackName; }
// Use data converter to retrieve json after script execution s.converters["script json"] = function() { if ( !responseContainer ) { jQuery.error( callbackName + " was not called" ); } return responseContainer[ 0 ]; };
// force json dataType s.dataTypes[ 0 ] = "json";
// Install callback overwritten = window[ callbackName ]; window[ callbackName ] = function() { responseContainer = arguments; };
// Clean-up function (fires after converters) jqXHR.always(function() { // Restore preexisting value window[ callbackName ] = overwritten;
// Save back as free if ( s[ callbackName ] ) { // make sure that re-using the options doesn't screw things around s.jsonpCallback = originalSettings.jsonpCallback;
// save the callback name for future use oldCallbacks.push( callbackName ); }
// Call if it was a function and we have a response if ( responseContainer && jQuery.isFunction( overwritten ) ) { overwritten( responseContainer[ 0 ] ); }
responseContainer = overwritten = undefined; });
// Delegate to script return "script"; } });
// data: string of html
// context (optional): If specified, the fragment will be created in this context, defaults to document
// keepScripts (optional): If true, will include scripts passed in the html string
jQuery.parseHTML = function( data, context, keepScripts ) {
if ( !data || typeof data !== "string" ) {
return null;
}
if ( typeof context === "boolean" ) {
keepScripts = context;
context = false;
}
context = context || document;
var parsed = rsingleTag.exec( data ), scripts = !keepScripts && [];
// Single tag if ( parsed ) { return [ context.createElement( parsed[1] ) ]; }
parsed = jQuery.buildFragment( [ data ], context, scripts );
if ( scripts && scripts.length ) { jQuery( scripts ).remove(); }
return jQuery.merge( [], parsed.childNodes ); };
// Keep a copy of the old load method
var _load = jQuery.fn.load;
/**
* Load a url into a page */
jQuery.fn.load = function( url, params, callback ) { if ( typeof url !== "string" && _load ) { return _load.apply( this, arguments ); }
var selector, response, type, self = this, off = url.indexOf(" ");
if ( off >= 0 ) { selector = jQuery.trim( url.slice( off, url.length ) ); url = url.slice( 0, off ); }
// If it's a function if ( jQuery.isFunction( params ) ) {
// We assume that it's the callback callback = params; params = undefined;
// Otherwise, build a param string } else if ( params && typeof params === "object" ) { type = "POST"; }
// If we have elements to modify, make the request if ( self.length > 0 ) { jQuery.ajax({ url: url,
// if "type" variable is undefined, then "GET" method will be used type: type, dataType: "html", data: params }).done(function( responseText ) {
// Save response for use in complete callback response = arguments;
self.html( selector ?
// If a selector was specified, locate the right elements in a dummy div // Exclude scripts to avoid IE 'Permission Denied' errors
jQuery("// Otherwise use the full result responseText );
}).complete( callback && function( jqXHR, status ) { self.each( callback, response || [ jqXHR.responseText, status, jqXHR ] ); }); }
return this; };
jQuery.expr.filters.animated = function( elem ) {
return jQuery.grep(jQuery.timers, function( fn ) {
return elem === fn.elem;
}).length;
};
var docElem = window.document.documentElement;
/**
* Gets a window from an element */
function getWindow( elem ) { return jQuery.isWindow( elem ) ? elem : elem.nodeType === 9 ? elem.defaultView || elem.parentWindow : false; }
jQuery.offset = { setOffset: function( elem, options, i ) { var curPosition, curLeft, curCSSTop, curTop, curOffset, curCSSLeft, calculatePosition, position = jQuery.css( elem, "position" ), curElem = jQuery( elem ), props = {};
// set position first, in-case top/left are set even on static elem if ( position === "static" ) { elem.style.position = "relative"; }
curOffset = curElem.offset(); curCSSTop = jQuery.css( elem, "top" ); curCSSLeft = jQuery.css( elem, "left" ); calculatePosition = ( position === "absolute" || position === "fixed" ) && jQuery.inArray("auto", [ curCSSTop, curCSSLeft ] ) > -1;
// need to be able to calculate position if either top or left is auto and position is either absolute or fixed if ( calculatePosition ) { curPosition = curElem.position(); curTop = curPosition.top; curLeft = curPosition.left; } else { curTop = parseFloat( curCSSTop ) || 0; curLeft = parseFloat( curCSSLeft ) || 0; }
if ( jQuery.isFunction( options ) ) { options = options.call( elem, i, curOffset ); }
if ( options.top != null ) { props.top = ( options.top - curOffset.top ) + curTop; } if ( options.left != null ) { props.left = ( options.left - curOffset.left ) + curLeft; }
if ( "using" in options ) { options.using.call( elem, props ); } else { curElem.css( props ); } } };
jQuery.fn.extend({ offset: function( options ) { if ( arguments.length ) { return options === undefined ? this : this.each(function( i ) { jQuery.offset.setOffset( this, options, i ); }); }
var docElem, win, box = { top: 0, left: 0 }, elem = this[ 0 ], doc = elem && elem.ownerDocument;
if ( !doc ) { return; }
docElem = doc.documentElement;
// Make sure it's not a disconnected DOM node if ( !jQuery.contains( docElem, elem ) ) { return box; }
// If we don't have gBCR, just use 0,0 rather than error // BlackBerry 5, iOS 3 (original iPhone) if ( typeof elem.getBoundingClientRect !== strundefined ) { box = elem.getBoundingClientRect(); } win = getWindow( doc ); return { top: box.top + ( win.pageYOffset || docElem.scrollTop ) - ( docElem.clientTop || 0 ), left: box.left + ( win.pageXOffset || docElem.scrollLeft ) - ( docElem.clientLeft || 0 ) }; },
position: function() { if ( !this[ 0 ] ) { return; }
var offsetParent, offset, parentOffset = { top: 0, left: 0 }, elem = this[ 0 ];
// fixed elements are offset from window (parentOffset = {top:0, left: 0}, because it is its only offset parent if ( jQuery.css( elem, "position" ) === "fixed" ) { // we assume that getBoundingClientRect is available when computed position is fixed offset = elem.getBoundingClientRect(); } else { // Get *real* offsetParent offsetParent = this.offsetParent();
// Get correct offsets offset = this.offset(); if ( !jQuery.nodeName( offsetParent[ 0 ], "html" ) ) { parentOffset = offsetParent.offset(); }
// Add offsetParent borders parentOffset.top += jQuery.css( offsetParent[ 0 ], "borderTopWidth", true ); parentOffset.left += jQuery.css( offsetParent[ 0 ], "borderLeftWidth", true ); }
// Subtract parent offsets and element margins // note: when an element has margin: auto the offsetLeft and marginLeft // are the same in Safari causing offset.left to incorrectly be 0 return { top: offset.top - parentOffset.top - jQuery.css( elem, "marginTop", true ), left: offset.left - parentOffset.left - jQuery.css( elem, "marginLeft", true) }; },
offsetParent: function() { return this.map(function() { var offsetParent = this.offsetParent || docElem;
while ( offsetParent && ( !jQuery.nodeName( offsetParent, "html" ) && jQuery.css( offsetParent, "position" ) === "static" ) ) { offsetParent = offsetParent.offsetParent; } return offsetParent || docElem; }); } });
// Create scrollLeft and scrollTop methods jQuery.each( { scrollLeft: "pageXOffset", scrollTop: "pageYOffset" }, function( method, prop ) { var top = /Y/.test( prop );
jQuery.fn[ method ] = function( val ) { return access( this, function( elem, method, val ) { var win = getWindow( elem );
if ( val === undefined ) { return win ? (prop in win) ? win[ prop ] : win.document.documentElement[ method ] : elem[ method ]; }
if ( win ) { win.scrollTo( !top ? val : jQuery( win ).scrollLeft(), top ? val : jQuery( win ).scrollTop() );
} else { elem[ method ] = val; } }, method, val, arguments.length, null ); }; });
// Add the top/left cssHooks using jQuery.fn.position // Webkit bug: https://bugs.webkit.org/show_bug.cgi?id=29084 // getComputedStyle returns percent when specified for top/left/bottom/right // rather than make the css module depend on the offset module, we just check for it here jQuery.each( [ "top", "left" ], function( i, prop ) { jQuery.cssHooks[ prop ] = addGetHookIf( support.pixelPosition, function( elem, computed ) { if ( computed ) { computed = curCSS( elem, prop ); // if curCSS returns percentage, fallback to offset return rnumnonpx.test( computed ) ? jQuery( elem ).position()[ prop ] + "px" : computed; } } ); });
// Create innerHeight, innerWidth, height, width, outerHeight and outerWidth methods
jQuery.each( { Height: "height", Width: "width" }, function( name, type ) {
jQuery.each( { padding: "inner" + name, content: type, "": "outer" + name }, function( defaultExtra, funcName ) {
// margin is only for outerHeight, outerWidth
jQuery.fn[ funcName ] = function( margin, value ) {
var chainable = arguments.length && ( defaultExtra || typeof margin !== "boolean" ),
extra = defaultExtra || ( margin === true || value === true ? "margin" : "border" );
return access( this, function( elem, type, value ) { var doc;
if ( jQuery.isWindow( elem ) ) { // As of 5/8/2012 this will yield incorrect results for Mobile Safari, but there // isn't a whole lot we can do. See pull request at this URL for discussion: // https://github.com/jquery/jquery/pull/764 return elem.document.documentElement[ "client" + name ]; }
// Get document width or height if ( elem.nodeType === 9 ) { doc = elem.documentElement;
// Either scroll[Width/Height] or offset[Width/Height] or client[Width/Height], whichever is greatest // unfortunately, this causes bug #3838 in IE6/8 only, but there is currently no good, small way to fix it. return Math.max( elem.body[ "scroll" + name ], doc[ "scroll" + name ], elem.body[ "offset" + name ], doc[ "offset" + name ], doc[ "client" + name ] ); }
return value === undefined ? // Get width or height on the element, requesting but not forcing parseFloat jQuery.css( elem, type, extra ) :
// Set width or height on the element jQuery.style( elem, type, value, extra ); }, type, chainable ? margin : undefined, chainable, null ); }; }); });
// The number of elements contained in the matched element set
jQuery.fn.size = function() {
return this.length;
};
jQuery.fn.andSelf = jQuery.fn.addBack;
// Register as a named AMD module, since jQuery can be concatenated with other
// files that may use define, but not via a proper concatenation script that
// understands anonymous AMD modules. A named AMD is safest and most robust
// way to register. Lowercase jquery is used because AMD module names are
// derived from file names, and jQuery is normally delivered in a lowercase
// file name. Do this after creating the global so that if an AMD module wants
// to call noConflict to hide this version of jQuery, it will work.
// Note that for maximum portability, libraries that are not jQuery should // declare themselves as anonymous modules, and avoid setting a global if an // AMD loader is present. jQuery is a special case. For more information, see // https://github.com/jrburke/requirejs/wiki/Updating-existing-libraries#wiki-anon
if ( typeof define === "function" && define.amd ) { define( "jquery", [], function() { return jQuery; }); }
var
// Map over jQuery in case of overwrite
_jQuery = window.jQuery,
// Map over the $ in case of overwrite _$ = window.$;
jQuery.noConflict = function( deep ) { if ( window.$ === jQuery ) { window.$ = _$; }
if ( deep && window.jQuery === jQuery ) { window.jQuery = _jQuery; }
return jQuery; };
// Expose jQuery and $ identifiers, even in // AMD (#7102#comment:10, https://github.com/jquery/jquery/pull/557) // and CommonJS for browser emulators (#13566) if ( typeof noGlobal === strundefined ) { window.jQuery = window.$ = jQuery; }
return jQuery;