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Team:Tianjin/js/jquery-1.8.0.js
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Latest revision as of 08:00, 24 August 2012
/*!
* jQuery JavaScript Library v1.8.0 * http://jquery.com/ * * Includes Sizzle.js * http://sizzlejs.com/ * * Copyright 2012 jQuery Foundation and other contributors * Released under the MIT license * http://jquery.org/license * * Date: Thu Aug 09 2012 16:24:48 GMT-0400 (Eastern Daylight Time) */
(function( window, undefined ) { var // A central reference to the root jQuery(document) rootjQuery,
// The deferred used on DOM ready readyList,
// Use the correct document accordingly with window argument (sandbox) document = window.document, location = window.location, navigator = window.navigator,
// Map over jQuery in case of overwrite _jQuery = window.jQuery,
// Map over the $ in case of overwrite _$ = window.$,
// Save a reference to some core methods core_push = Array.prototype.push, core_slice = Array.prototype.slice, core_indexOf = Array.prototype.indexOf, core_toString = Object.prototype.toString, core_hasOwn = Object.prototype.hasOwnProperty, core_trim = String.prototype.trim,
// Define a local copy of jQuery jQuery = function( selector, context ) { // The jQuery object is actually just the init constructor 'enhanced' return new jQuery.fn.init( selector, context, rootjQuery ); },
// Used for matching numbers core_pnum = /[\-+]?(?:\d*\.|)\d+(?:[eE][\-+]?\d+|)/.source,
// Used for detecting and trimming whitespace core_rnotwhite = /\S/, core_rspace = /\s+/,
// IE doesn't match non-breaking spaces with \s rtrim = core_rnotwhite.test("\xA0") ? (/^[\s\xA0]+|[\s\xA0]+$/g) : /^\s+|\s+$/g,
// A simple way to check for HTML strings // Prioritize #id over <tag> to avoid XSS via location.hash (#9521) rquickExpr = /^(?:[^#<]*(<[\w\W]+>)[^>]*$|#([\w\-]*)$)/,
// Match a standalone tag rsingleTag = /^<(\w+)\s*\/?>(?:<\/\1>|)$/,
// JSON RegExp rvalidchars = /^[\],:{}\s]*$/, rvalidbraces = /(?:^|:|,)(?:\s*\[)+/g, rvalidescape = /\\(?:["\\\/bfnrt]|u[\da-fA-F]{4})/g, rvalidtokens = /"[^"\\\r\n]*"|true|false|null|-?(?:\d\d*\.|)\d+(?:[eE][\-+]?\d+|)/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(); },
// The ready event handler and self cleanup method DOMContentLoaded = function() { if ( document.addEventListener ) { document.removeEventListener( "DOMContentLoaded", DOMContentLoaded, false ); jQuery.ready(); } else if ( document.readyState === "complete" ) { // we're here because readyState === "complete" in oldIE // which is good enough for us to call the dom ready! document.detachEvent( "onreadystatechange", DOMContentLoaded ); jQuery.ready(); } },
// Class -> type pairs class2type = {};
jQuery.fn = jQuery.prototype = { constructor: jQuery, init: function( selector, context, rootjQuery ) { var match, elem, ret, doc;
// Handle $(""), $(null), $(undefined), $(false) if ( !selector ) { return this; }
// Handle $(DOMElement) if ( selector.nodeType ) { this.context = this[0] = selector; this.length = 1; 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; doc = ( context && context.nodeType ? context.ownerDocument || context : document );
// scripts is true for back-compat selector = jQuery.parseHTML( match[1], doc, true ); if ( rsingleTag.test( match[1] ) && jQuery.isPlainObject( context ) ) { this.attr.call( selector, context, true ); }
return jQuery.merge( this, selector );
// 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: $(function) // Shortcut for document ready } else if ( jQuery.isFunction( selector ) ) { return rootjQuery.ready( selector ); }
if ( selector.selector !== undefined ) { this.selector = selector.selector; this.context = selector.context; }
return jQuery.makeArray( selector, this ); },
// Start with an empty selector selector: "",
// The current version of jQuery being used jquery: "1.8.0",
// The default length of a jQuery object is 0 length: 0,
// The number of elements contained in the matched element set size: function() { return this.length; },
toArray: function() { return core_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 a 'clean' array this.toArray() :
// Return just the object ( num < 0 ? this[ this.length + num ] : this[ num ] ); },
// Take an array of elements and push it onto the stack // (returning the new matched element set) pushStack: function( elems, name, selector ) {
// 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;
if ( name === "find" ) { ret.selector = this.selector + ( this.selector ? " " : "" ) + selector; } else if ( name ) { ret.selector = this.selector + "." + name + "(" + selector + ")"; }
// 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 ); },
ready: function( fn ) { // Add the callback jQuery.ready.promise().done( fn );
return this; },
eq: function( i ) { i = +i; return i === -1 ? this.slice( i ) : this.slice( i, i + 1 ); },
first: function() { return this.eq( 0 ); },
last: function() { return this.eq( -1 ); },
slice: function() { return this.pushStack( core_slice.apply( this, arguments ), "slice", core_slice.call(arguments).join(",") ); },
map: function( callback ) { return this.pushStack( jQuery.map(this, function( elem, i ) { return callback.call( elem, i, elem ); })); },
end: function() { return this.prevObject || this.constructor(null); },
// For internal use only. // Behaves like an Array's method, not like a jQuery method. push: core_push, sort: [].sort, splice: [].splice };
// Give the init function the jQuery prototype for later instantiation jQuery.fn.init.prototype = jQuery.fn;
jQuery.extend = jQuery.fn.extend = function() { var options, name, src, copy, copyIsArray, clone, target = arguments[0] || {}, i = 1, length = arguments.length, deep = false;
// Handle a deep copy situation if ( typeof target === "boolean" ) { deep = target; target = arguments[1] || {}; // skip the boolean and the target i = 2; }
// 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 ( length === i ) { 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({ noConflict: function( deep ) { if ( window.$ === jQuery ) { window.$ = _$; }
if ( deep && window.jQuery === jQuery ) { window.jQuery = _jQuery; }
return jQuery; },
// 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, 1 ); }
// 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.trigger ) { jQuery( document ).trigger("ready").off("ready"); } },
// 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 ) { return obj != null && obj == obj.window; },
isNumeric: function( obj ) { return !isNaN( parseFloat(obj) ) && isFinite( obj ); },
type: function( obj ) { return obj == null ? String( obj ) : class2type[ core_toString.call(obj) ] || "object"; },
isPlainObject: function( obj ) { // 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 && !core_hasOwn.call(obj, "constructor") && !core_hasOwn.call(obj.constructor.prototype, "isPrototypeOf") ) { return false; } } catch ( e ) { // IE8,9 Will throw exceptions on certain host objects #9897 return false; }
// Own properties are enumerated firstly, so to speed up, // if last one is own, then all properties are own.
var key; for ( key in obj ) {}
return key === undefined || core_hasOwn.call( obj, key ); },
isEmptyObject: function( obj ) { var name; for ( name in obj ) { return false; } return true; },
error: function( msg ) { throw new Error( msg ); },
// data: string of html // context (optional): If specified, the fragment will be created in this context, defaults to document // scripts (optional): If true, will include scripts passed in the html string parseHTML: function( data, context, scripts ) { var parsed; if ( !data || typeof data !== "string" ) { return null; } if ( typeof context === "boolean" ) { scripts = context; context = 0; } context = context || document;
// Single tag if ( (parsed = rsingleTag.exec( data )) ) { return [ context.createElement( parsed[1] ) ]; }
parsed = jQuery.buildFragment( [ data ], context, scripts ? null : [] ); return jQuery.merge( [], (parsed.cacheable ? jQuery.clone( parsed.fragment ) : parsed.fragment).childNodes ); },
parseJSON: function( data ) { if ( !data || typeof data !== "string") { return null; }
// Make sure leading/trailing whitespace is removed (IE can't handle it) data = jQuery.trim( data );
// Attempt to parse using the native JSON parser first if ( window.JSON && window.JSON.parse ) { return window.JSON.parse( data ); }
// Make sure the incoming data is actual JSON // Logic borrowed from http://json.org/json2.js if ( rvalidchars.test( data.replace( rvalidescape, "@" ) .replace( rvalidtokens, "]" ) .replace( rvalidbraces, "")) ) {
return ( new Function( "return " + data ) )();
} jQuery.error( "Invalid JSON: " + data ); },
// Cross-browser xml parsing 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; },
noop: function() {},
// 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 && core_rnotwhite.test( 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.toUpperCase() === name.toUpperCase(); },
// args is for internal usage only each: function( obj, callback, args ) { var name, i = 0, length = obj.length, isObj = length === undefined || jQuery.isFunction( obj );
if ( args ) { if ( isObj ) { for ( name in obj ) { if ( callback.apply( obj[ name ], args ) === false ) { break; } } } else { for ( ; i < length; ) { if ( callback.apply( obj[ i++ ], args ) === false ) { break; } } }
// A special, fast, case for the most common use of each } else { if ( isObj ) { for ( name in obj ) { if ( callback.call( obj[ name ], name, obj[ name ] ) === false ) { break; } } } else { for ( ; i < length; ) { if ( callback.call( obj[ i ], i, obj[ i++ ] ) === false ) { break; } } } }
return obj; },
// Use native String.trim function wherever possible trim: core_trim ? function( text ) { return text == null ? "" : core_trim.call( text ); } :
// Otherwise use our own trimming functionality function( text ) { return text == null ? "" : text.toString().replace( rtrim, "" ); },
// results is for internal usage only makeArray: function( arr, results ) { var type, ret = results || [];
if ( arr != null ) { // The window, strings (and functions) also have 'length' // Tweaked logic slightly to handle Blackberry 4.7 RegExp issues #6930 type = jQuery.type( arr );
if ( arr.length == null || type === "string" || type === "function" || type === "regexp" || jQuery.isWindow( arr ) ) { core_push.call( ret, arr ); } else { jQuery.merge( ret, arr ); } }
return ret; },
inArray: function( elem, arr, i ) { var len;
if ( arr ) { if ( core_indexOf ) { return core_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 l = second.length, i = first.length, j = 0;
if ( typeof l === "number" ) { for ( ; j < l; j++ ) { first[ i++ ] = second[ j ]; }
} else { while ( second[j] !== undefined ) { first[ i++ ] = second[ j++ ]; } }
first.length = i;
return first; },
grep: function( elems, callback, inv ) { var retVal, ret = [], i = 0, length = elems.length; inv = !!inv;
// Go through the array, only saving the items // that pass the validator function for ( ; i < length; i++ ) { retVal = !!callback( elems[ i ], i ); if ( inv !== retVal ) { ret.push( elems[ i ] ); } }
return ret; },
// arg is for internal usage only map: function( elems, callback, arg ) { var value, key, ret = [], i = 0, length = elems.length, // jquery objects are treated as arrays isArray = elems instanceof jQuery || length !== undefined && typeof length === "number" && ( ( length > 0 && elems[ 0 ] && elems[ length -1 ] ) || length === 0 || jQuery.isArray( elems ) ) ;
// Go through the array, translating each of the items to their if ( isArray ) { for ( ; i < length; i++ ) { value = callback( elems[ i ], i, arg );
if ( value != null ) { ret[ ret.length ] = value; } }
// Go through every key on the object, } else { for ( key in elems ) { value = callback( elems[ key ], key, arg );
if ( value != null ) { ret[ ret.length ] = value; } } }
// Flatten any nested arrays return ret.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 tmp, args, proxy;
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 = core_slice.call( arguments, 2 ); proxy = function() { return fn.apply( context, args.concat( core_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 || proxy.guid || jQuery.guid++;
return proxy; },
// Multifunctional method to get and set values of a collection // The value/s can optionally be executed if it's a function access: function( elems, fn, key, value, chainable, emptyGet, pass ) { var exec, bulk = key == null, i = 0, length = elems.length;
// Sets many values if ( key && typeof key === "object" ) { for ( i in key ) { jQuery.access( elems, fn, i, key[i], 1, emptyGet, value ); } chainable = 1;
// Sets one value } else if ( value !== undefined ) { // Optionally, function values get executed if exec is true exec = pass === undefined && jQuery.isFunction( value );
if ( bulk ) { // Bulk operations only iterate when executing function values if ( exec ) { exec = fn; fn = function( elem, key, value ) { return exec.call( jQuery( elem ), value ); };
// Otherwise they run against the entire set } else { fn.call( elems, value ); fn = null; } }
if ( fn ) { for (; i < length; i++ ) { fn( elems[i], key, exec ? value.call( elems[i], i, fn( elems[i], key ) ) : value, pass ); } }
chainable = 1; }
return chainable ? elems :
// Gets bulk ? fn.call( elems ) : length ? fn( elems[0], key ) : emptyGet; },
now: function() { return ( new Date() ).getTime(); } });
jQuery.ready.promise = function( obj ) { if ( !readyList ) {
readyList = jQuery.Deferred();
// Catch cases where $(document).ready() is called after the // browser event has already occurred. if ( document.readyState === "complete" || ( document.readyState !== "loading" && document.addEventListener ) ) { // Handle it asynchronously to allow scripts the opportunity to delay ready setTimeout( jQuery.ready, 1 );
// Standards-based browsers support DOMContentLoaded } else if ( document.addEventListener ) { // Use the handy event callback document.addEventListener( "DOMContentLoaded", DOMContentLoaded, false );
// A fallback to window.onload, that will always work window.addEventListener( "load", jQuery.ready, false );
// If IE event model is used } else { // Ensure firing before onload, maybe late but safe also for iframes document.attachEvent( "onreadystatechange", DOMContentLoaded );
// A fallback to window.onload, that will always work window.attachEvent( "onload", jQuery.ready );
// 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 ); }
// and execute any waiting functions jQuery.ready(); } })(); } } } return readyList.promise( obj ); };
// Populate the class2type map jQuery.each("Boolean Number String Function Array Date RegExp Object".split(" "), function(i, name) { class2type[ "[object " + name + "]" ] = name.toLowerCase(); });
// All jQuery objects should point back to these rootjQuery = jQuery(document); // 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.split( core_rspace ), 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 // Last fire value (for non-forgettable lists) memory, // Flag to know if list was already fired fired, // Flag to know if list is currently firing firing, // First callback to fire (used internally by add and fireWith) firingStart, // End of the loop when firing firingLength, // Index of currently firing callback (modified by remove if needed) firingIndex, // 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 ) { if ( jQuery.isFunction( arg ) && ( !options.unique || !self.has( arg ) ) ) { list.push( arg ); } else if ( arg && arg.length ) { // 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; }, // Control if a given callback is in the list has: function( fn ) { return jQuery.inArray( fn, list ) > -1; }, // Remove all callbacks from the list empty: function() { list = []; 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 ) { args = args || []; args = [ context, args.slice ? args.slice() : args ]; if ( list && ( !fired || stack ) ) { 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 action = tuple[ 0 ], fn = fns[ i ]; // deferred[ done | fail | progress ] for forwarding actions to newDefer deferred[ tuple[1] ]( jQuery.isFunction( fn ) ? function() { var returned = fn.apply( this, arguments ); if ( returned && jQuery.isFunction( returned.promise ) ) { returned.promise() .done( newDefer.resolve ) .fail( newDefer.reject ) .progress( newDefer.notify ); } else { newDefer[ action + "With" ]( this === deferred ? newDefer : this, [ returned ] ); } } : newDefer[ action ] ); }); 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 typeof obj === "object" ? 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 ] = list.fire deferred[ tuple[0] ] = list.fire; 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 = core_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 ? core_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(); } }); jQuery.support = (function() {
var support, all, a, select, opt, input, fragment, eventName, i, isSupported, clickFn, div = document.createElement("div");
// Preliminary tests div.setAttribute( "className", "t" );
div.innerHTML = " <link/>all = div.getElementsByTagName("*"); a = div.getElementsByTagName("a")[ 0 ]; a.style.cssText = "top:1px;float:left;opacity:.5";
// Can't get basic test support if ( !all || !all.length || !a ) { return {}; }
// First batch of supports tests select = document.createElement("select"); opt = select.appendChild( document.createElement("option") ); input = div.getElementsByTagName("input")[ 0 ];
support = { // IE strips leading whitespace when .innerHTML is used leadingWhitespace: ( div.firstChild.nodeType === 3 ),
// Make sure that tbody elements aren't automatically inserted // IE will insert them into empty tables tbody: !div.getElementsByTagName("tbody").length,
// Make sure that link elements get serialized correctly by innerHTML // This requires a wrapper element in IE htmlSerialize: !!div.getElementsByTagName("link").length,
// Get the style information from getAttribute // (IE uses .cssText instead) style: /top/.test( a.getAttribute("style") ),
// Make sure that URLs aren't manipulated // (IE normalizes it by default) hrefNormalized: ( a.getAttribute("href") === "/a" ),
// Make sure that element opacity exists // (IE uses filter instead) // Use a regex to work around a WebKit issue. See #5145 opacity: /^0.5/.test( a.style.opacity ),
// Verify style float existence // (IE uses styleFloat instead of cssFloat) cssFloat: !!a.style.cssFloat,
// Make sure that if no value is specified for a checkbox // that it defaults to "on". // (WebKit defaults to "" instead) checkOn: ( input.value === "on" ),
// 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) optSelected: opt.selected,
// Test setAttribute on camelCase class. If it works, we need attrFixes when doing get/setAttribute (ie6/7) getSetAttribute: div.className !== "t",
// Tests for enctype support on a form(#6743) enctype: !!document.createElement("form").enctype,
// Makes sure cloning an html5 element does not cause problems // Where outerHTML is undefined, this still works html5Clone: document.createElement("nav").cloneNode( true ).outerHTML !== "<:nav></:nav>",
// jQuery.support.boxModel DEPRECATED in 1.8 since we don't support Quirks Mode boxModel: ( document.compatMode === "CSS1Compat" ),
// Will be defined later submitBubbles: true, changeBubbles: true, focusinBubbles: false, deleteExpando: true, noCloneEvent: true, inlineBlockNeedsLayout: false, shrinkWrapBlocks: false, reliableMarginRight: true, boxSizingReliable: true, pixelPosition: false };
// Make sure checked status is properly cloned input.checked = true; support.noCloneChecked = input.cloneNode( true ).checked;
// 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;
// Test to see if it's possible to delete an expando from an element // Fails in Internet Explorer try { delete div.test; } catch( e ) { support.deleteExpando = false; }
if ( !div.addEventListener && div.attachEvent && div.fireEvent ) { div.attachEvent( "onclick", clickFn = function() { // Cloning a node shouldn't copy over any // bound event handlers (IE does this) support.noCloneEvent = false; }); div.cloneNode( true ).fireEvent("onclick"); div.detachEvent( "onclick", clickFn ); }
// Check if a radio maintains its value // after being appended to the DOM input = document.createElement("input"); input.value = "t"; input.setAttribute( "type", "radio" ); support.radioValue = input.value === "t";
input.setAttribute( "checked", "checked" );
// #11217 - WebKit loses check when the name is after the checked attribute input.setAttribute( "name", "t" );
div.appendChild( input ); fragment = document.createDocumentFragment(); fragment.appendChild( div.lastChild );
// WebKit doesn't clone checked state correctly in fragments support.checkClone = fragment.cloneNode( true ).cloneNode( true ).lastChild.checked;
// Check if a disconnected checkbox will retain its checked // value of true after appended to the DOM (IE6/7) support.appendChecked = input.checked;
fragment.removeChild( input ); fragment.appendChild( div );
// Technique from Juriy Zaytsev // http://perfectionkills.com/detecting-event-support-without-browser-sniffing/ // We only care about the case where non-standard event systems // are used, namely in IE. Short-circuiting here helps us to // avoid an eval call (in setAttribute) which can cause CSP // to go haywire. See: https://developer.mozilla.org/en/Security/CSP if ( div.attachEvent ) { for ( i in { submit: true, change: true, focusin: true }) { eventName = "on" + i; isSupported = ( eventName in div ); if ( !isSupported ) { div.setAttribute( eventName, "return;" ); isSupported = ( typeof div[ eventName ] === "function" ); } support[ i + "Bubbles" ] = isSupported; } }
// Run tests that need a body at doc ready jQuery(function() { var container, div, tds, marginDiv, divReset = "padding:0;margin:0;border:0;display:block;overflow:hidden;", body = document.getElementsByTagName("body")[0];
if ( !body ) { // Return for frameset docs that don't have a body return; }
container = document.createElement("div"); container.style.cssText = "visibility:hidden;border:0;width:0;height:0;position:static;top:0;margin-top:1px"; body.insertBefore( container, body.firstChild );
// Construct the test element div = document.createElement("div"); container.appendChild( div );
// 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). // (only IE 8 fails this test)
div.innerHTML = "| t |
tds = div.getElementsByTagName("td"); tds[ 0 ].style.cssText = "padding:0;margin:0;border:0;display:none"; isSupported = ( tds[ 0 ].offsetHeight === 0 );
tds[ 0 ].style.display = ""; tds[ 1 ].style.display = "none";
// Check if empty table cells still have offsetWidth/Height // (IE <= 8 fail this test) support.reliableHiddenOffsets = isSupported && ( tds[ 0 ].offsetHeight === 0 );
// Check box-sizing and margin behavior div.innerHTML = ""; div.style.cssText = "box-sizing:border-box;-moz-box-sizing:border-box;-webkit-box-sizing:border-box;padding:1px;border:1px;display:block;width:4px;margin-top:1%;position:absolute;top:1%;"; support.boxSizing = ( div.offsetWidth === 4 ); support.doesNotIncludeMarginInBodyOffset = ( body.offsetTop !== 1 );
// NOTE: To any future maintainer, window.getComputedStyle was used here // instead of getComputedStyle because it gave a better gzip size. // The difference between window.getComputedStyle and getComputedStyle is // 7 bytes if ( window.getComputedStyle ) { support.pixelPosition = ( window.getComputedStyle( div, null ) || {} ).top !== "1%"; support.boxSizingReliable = ( window.getComputedStyle( div, null ) || { width: "4px" } ).width === "4px";
// Check if div with explicit width and no margin-right incorrectly // gets computed margin-right based on width of container. For more // info see bug #3333 // Fails in WebKit before Feb 2011 nightlies // WebKit Bug 13343 - getComputedStyle returns wrong value for margin-right marginDiv = document.createElement("div"); marginDiv.style.cssText = div.style.cssText = divReset; marginDiv.style.marginRight = marginDiv.style.width = "0"; div.style.width = "1px"; div.appendChild( marginDiv ); support.reliableMarginRight = !parseFloat( ( window.getComputedStyle( marginDiv, null ) || {} ).marginRight ); }
if ( typeof div.style.zoom !== "undefined" ) { // Check if natively block-level elements act like inline-block // elements when setting their display to 'inline' and giving // them layout // (IE < 8 does this) div.innerHTML = ""; div.style.cssText = divReset + "width:1px;padding:1px;display:inline;zoom:1"; support.inlineBlockNeedsLayout = ( div.offsetWidth === 3 );
// Check if elements with layout shrink-wrap their children // (IE 6 does this) div.style.display = "block"; div.style.overflow = "visible";
div.innerHTML = "";div.firstChild.style.width = "5px"; support.shrinkWrapBlocks = ( div.offsetWidth !== 3 );
container.style.zoom = 1; }
// Null elements to avoid leaks in IE body.removeChild( container ); container = div = tds = marginDiv = null; });
// Null elements to avoid leaks in IE fragment.removeChild( div ); all = a = select = opt = input = fragment = div = null;
return support; })(); var rbrace = /^(?:\{.*\}|\[.*\])$/, rmultiDash = /([A-Z])/g;
jQuery.extend({ cache: {},
deletedIds: [],
// Please use with caution uuid: 0,
// Unique for each copy of jQuery on the page // Non-digits removed to match rinlinejQuery expando: "jQuery" + ( jQuery.fn.jquery + Math.random() ).replace( /\D/g, "" ),
// The following elements throw uncatchable exceptions if you // attempt to add expando properties to them. noData: { "embed": true, // Ban all objects except for Flash (which handle expandos) "object": "clsid:D27CDB6E-AE6D-11cf-96B8-444553540000", "applet": true },
hasData: function( elem ) { elem = elem.nodeType ? jQuery.cache[ elem[jQuery.expando] ] : elem[ jQuery.expando ]; return !!elem && !isEmptyDataObject( elem ); },
data: function( elem, name, data, pvt /* Internal Use Only */ ) { if ( !jQuery.acceptData( elem ) ) { return; }
var thisCache, ret, internalKey = jQuery.expando, getByName = typeof name === "string",
// 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)) && getByName && data === undefined ) { 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 ) { elem[ internalKey ] = id = jQuery.deletedIds.pop() || ++jQuery.uuid; } else { id = internalKey; } }
if ( !cache[ id ] ) { cache[ id ] = {};
// Avoids exposing jQuery metadata on plain JS objects when the object // is serialized using JSON.stringify if ( !isNode ) { cache[ id ].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 ( getByName ) {
// 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; },
removeData: function( elem, name, pvt /* Internal Use Only */ ) { if ( !jQuery.acceptData( elem ) ) { return; }
var thisCache, i, l,
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(" "); } } }
for ( i = 0, l = name.length; i < l; 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 : 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) } else if ( jQuery.support.deleteExpando || cache != cache.window ) { delete cache[ id ];
// When all else fails, null } else { cache[ id ] = null; } },
// For internal use only. _data: function( elem, name, data ) { return jQuery.data( elem, name, data, true ); },
// A method for determining if a DOM node can handle the data expando acceptData: function( elem ) { var noData = elem.nodeName && jQuery.noData[ elem.nodeName.toLowerCase() ];
// nodes accept data unless otherwise specified; rejection can be conditional return !noData || noData !== true && elem.getAttribute("classid") === noData; } });
jQuery.fn.extend({ data: function( key, value ) { var parts, part, attr, name, l, elem = this[0], i = 0, data = null;
// Gets all values if ( key === undefined ) { if ( this.length ) { data = jQuery.data( elem );
if ( elem.nodeType === 1 && !jQuery._data( elem, "parsedAttrs" ) ) { attr = elem.attributes; for ( l = attr.length; i < l; i++ ) { name = attr[i].name;
if ( name.indexOf( "data-" ) === 0 ) { name = jQuery.camelCase( name.substring(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 ); }); }
parts = key.split( ".", 2 ); parts[1] = parts[1] ? "." + parts[1] : ""; part = parts[1] + "!";
return jQuery.access( this, function( value ) {
if ( value === undefined ) { data = this.triggerHandler( "getData" + part, [ parts[0] ] );
// Try to fetch any internally stored data first if ( data === undefined && elem ) { data = jQuery.data( elem, key ); data = dataAttr( elem, key, data ); }
return data === undefined && parts[1] ? this.data( parts[0] ) : data; }
parts[1] = value; this.each(function() { var self = jQuery( this );
self.triggerHandler( "setData" + part, parts ); jQuery.data( this, key, value ); self.triggerHandler( "changeData" + part, parts ); }); }, null, value, arguments.length > 1, null, false ); },
removeData: function( key ) { return this.each(function() { jQuery.removeData( this, key ); }); } });
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; } 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 ), 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(); }
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 ( !queue.length && 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", true ); jQuery.removeData( elem, key, true ); }) }); } });
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 ); }); }, // Based off of the plugin by Clint Helfers, with permission. // http://blindsignals.com/index.php/2009/07/jquery-delay/ 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 ); }; }); }, 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-- ) { if ( (tmp = jQuery._data( elements[ i ], type + "queueHooks" )) && tmp.empty ) { count++; tmp.empty.add( resolve ); } } resolve(); return defer.promise( obj ); } }); var nodeHook, boolHook, fixSpecified, rclass = /[\t\r\n]/g, rreturn = /\r/g, rtype = /^(?:button|input)$/i, rfocusable = /^(?:button|input|object|select|textarea)$/i, rclickable = /^a(?:rea|)$/i, rboolean = /^(?:autofocus|autoplay|async|checked|controls|defer|disabled|hidden|loop|multiple|open|readonly|required|scoped|selected)$/i, getSetAttribute = jQuery.support.getSetAttribute;
jQuery.fn.extend({ attr: function( name, value ) { return jQuery.access( this, jQuery.attr, name, value, arguments.length > 1 ); },
removeAttr: function( name ) { return this.each(function() { jQuery.removeAttr( this, name ); }); },
prop: function( name, value ) { return jQuery.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 ) {} }); },
addClass: function( value ) { var classNames, i, l, elem, setClass, c, cl;
if ( jQuery.isFunction( value ) ) { return this.each(function( j ) { jQuery( this ).addClass( value.call(this, j, this.className) ); }); }
if ( value && typeof value === "string" ) { classNames = value.split( core_rspace );
for ( i = 0, l = this.length; i < l; i++ ) { elem = this[ i ];
if ( elem.nodeType === 1 ) { if ( !elem.className && classNames.length === 1 ) { elem.className = value;
} else { setClass = " " + elem.className + " ";
for ( c = 0, cl = classNames.length; c < cl; c++ ) { if ( !~setClass.indexOf( " " + classNames[ c ] + " " ) ) { setClass += classNames[ c ] + " "; } } elem.className = jQuery.trim( setClass ); } } } }
return this; },
removeClass: function( value ) { var removes, className, elem, c, cl, i, l;
if ( jQuery.isFunction( value ) ) { return this.each(function( j ) { jQuery( this ).removeClass( value.call(this, j, this.className) ); }); } if ( (value && typeof value === "string") || value === undefined ) { removes = ( value || "" ).split( core_rspace );
for ( i = 0, l = this.length; i < l; i++ ) { elem = this[ i ]; if ( elem.nodeType === 1 && elem.className ) {
className = (" " + elem.className + " ").replace( rclass, " " );
// loop over each item in the removal list for ( c = 0, cl = removes.length; c < cl; c++ ) { // Remove until there is nothing to remove, while ( className.indexOf(" " + removes[ c ] + " ") > -1 ) { className = className.replace( " " + removes[ c ] + " " , " " ); } } elem.className = value ? jQuery.trim( className ) : ""; } } }
return this; },
toggleClass: function( value, stateVal ) { var type = typeof value, isBool = typeof stateVal === "boolean";
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 ), state = stateVal, classNames = value.split( core_rspace );
while ( (className = classNames[ i++ ]) ) { // check each className given, space separated list state = isBool ? state : !self.hasClass( className ); self[ state ? "addClass" : "removeClass" ]( className ); }
} else if ( type === "undefined" || type === "boolean" ) { if ( this.className ) { // store className if set jQuery._data( this, "__className__", this.className ); }
// toggle whole className 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 ) > -1 ) { return true; } }
return false; },
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, self = jQuery(this);
if ( this.nodeType !== 1 ) { return; }
if ( isFunction ) { val = value.call( this, i, self.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 ) { // attributes.value is undefined in Blackberry 4.7 but // uses .value. See #6932 var val = elem.attributes.value; return !val || val.specified ? elem.value : elem.text; } }, select: { get: function( elem ) { var value, i, max, option, index = elem.selectedIndex, values = [], options = elem.options, one = elem.type === "select-one";
// Nothing was selected if ( index < 0 ) { return null; }
// Loop through all the selected options i = one ? index : 0; max = one ? index + 1 : options.length; for ( ; i < max; i++ ) { option = options[ i ];
// Don't return options that are disabled or in a disabled optgroup if ( option.selected && (jQuery.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 ); } }
// Fixes Bug #2551 -- select.val() broken in IE after form.reset() if ( one && !values.length && options.length ) { return jQuery( options[ index ] ).val(); }
return values; },
set: function( elem, value ) { var values = jQuery.makeArray( value );
jQuery(elem).find("option").each(function() { this.selected = jQuery.inArray( jQuery(this).val(), values ) >= 0; });
if ( !values.length ) { elem.selectedIndex = -1; } return values; } } },
// Unused in 1.8, left in so attrFn-stabbers won't die; remove in 1.9 attrFn: {},
attr: function( elem, name, value, pass ) { var ret, hooks, notxml, nType = elem.nodeType;
// don't get/set attributes on text, comment and attribute nodes if ( !elem || nType === 3 || nType === 8 || nType === 2 ) { return; }
if ( pass && jQuery.isFunction( jQuery.fn[ name ] ) ) { return jQuery( elem )[ name ]( value ); }
// Fallback to prop when attributes are not supported if ( typeof elem.getAttribute === "undefined" ) { return jQuery.prop( elem, name, value ); }
notxml = nType !== 1 || !jQuery.isXMLDoc( elem );
// All attributes are lowercase // Grab necessary hook if one is defined if ( notxml ) { name = name.toLowerCase(); hooks = jQuery.attrHooks[ name ] || ( rboolean.test( name ) ? boolHook : nodeHook ); }
if ( value !== undefined ) {
if ( value === null ) { jQuery.removeAttr( elem, name ); return;
} else if ( hooks && "set" in hooks && notxml && (ret = hooks.set( elem, value, name )) !== undefined ) { return ret;
} else { elem.setAttribute( name, "" + value ); return value; }
} else if ( hooks && "get" in hooks && notxml && (ret = hooks.get( elem, name )) !== null ) { return ret;
} else {
ret = elem.getAttribute( name );
// Non-existent attributes return null, we normalize to undefined return ret === null ? undefined : ret; } },
removeAttr: function( elem, value ) { var propName, attrNames, name, isBool, i = 0;
if ( value && elem.nodeType === 1 ) {
attrNames = value.split( core_rspace );
for ( ; i < attrNames.length; i++ ) { name = attrNames[ i ];
if ( name ) { propName = jQuery.propFix[ name ] || name; isBool = rboolean.test( name );
// See #9699 for explanation of this approach (setting first, then removal) // Do not do this for boolean attributes (see #10870) if ( !isBool ) { jQuery.attr( elem, name, "" ); } elem.removeAttribute( getSetAttribute ? name : propName );
// Set corresponding property to false for boolean attributes if ( isBool && propName in elem ) { elem[ propName ] = false; } } } } },
attrHooks: { type: { set: function( elem, value ) { // We can't allow the type property to be changed (since it causes problems in IE) if ( rtype.test( elem.nodeName ) && elem.parentNode ) { jQuery.error( "type property can't be changed" ); } else if ( !jQuery.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 it's default in case type is set after value // This is for element creation var val = elem.value; elem.setAttribute( "type", value ); if ( val ) { elem.value = val; } return value; } } }, // Use the value property for back compat // Use the nodeHook for button elements in IE6/7 (#1954) value: { get: function( elem, name ) { if ( nodeHook && jQuery.nodeName( elem, "button" ) ) { return nodeHook.get( elem, name ); } return name in elem ? elem.value : null; }, set: function( elem, value, name ) { if ( nodeHook && jQuery.nodeName( elem, "button" ) ) { return nodeHook.set( elem, value, name ); } // Does not return so that setAttribute is also used elem.value = value; } } },
propFix: { tabindex: "tabIndex", readonly: "readOnly", "for": "htmlFor", "class": "className", maxlength: "maxLength", cellspacing: "cellSpacing", cellpadding: "cellPadding", rowspan: "rowSpan", colspan: "colSpan", usemap: "useMap", frameborder: "frameBorder", contenteditable: "contentEditable" },
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 ) { if ( hooks && "set" in hooks && (ret = hooks.set( elem, value, name )) !== undefined ) { return ret;
} else { return ( elem[ name ] = value ); }
} else { if ( hooks && "get" in hooks && (ret = hooks.get( elem, name )) !== null ) { return ret;
} else { return 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/ var attributeNode = elem.getAttributeNode("tabindex");
return attributeNode && attributeNode.specified ? parseInt( attributeNode.value, 10 ) : rfocusable.test( elem.nodeName ) || rclickable.test( elem.nodeName ) && elem.href ? 0 : undefined; } } } });
// Hook for boolean attributes boolHook = { get: function( elem, name ) { // Align boolean attributes with corresponding properties // Fall back to attribute presence where some booleans are not supported var attrNode, property = jQuery.prop( elem, name ); return property === true || typeof property !== "boolean" && ( attrNode = elem.getAttributeNode(name) ) && attrNode.nodeValue !== false ? name.toLowerCase() : undefined; }, set: function( elem, value, name ) { var propName; if ( value === false ) { // Remove boolean attributes when set to false jQuery.removeAttr( elem, name ); } else { // value is true since we know at this point it's type boolean and not false // Set boolean attributes to the same name and set the DOM property propName = jQuery.propFix[ name ] || name; if ( propName in elem ) { // Only set the IDL specifically if it already exists on the element elem[ propName ] = true; }
elem.setAttribute( name, name.toLowerCase() ); } return name; } };
// IE6/7 do not support getting/setting some attributes with get/setAttribute if ( !getSetAttribute ) {
fixSpecified = { name: true, id: true, coords: true };
// Use this for any attribute in IE6/7 // This fixes almost every IE6/7 issue nodeHook = jQuery.valHooks.button = { get: function( elem, name ) { var ret; ret = elem.getAttributeNode( name ); return ret && ( fixSpecified[ name ] ? ret.value !== "" : ret.specified ) ? ret.value : undefined; }, set: function( elem, value, name ) { // Set the existing or create a new attribute node var ret = elem.getAttributeNode( name ); if ( !ret ) { ret = document.createAttribute( name ); elem.setAttributeNode( ret ); } return ( ret.value = value + "" ); } };
// 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 ] = jQuery.extend( jQuery.attrHooks[ name ], { set: function( elem, value ) { if ( value === "" ) { elem.setAttribute( name, "auto" ); return value; } } }); });
// Set contenteditable to false on removals(#10429) // Setting to empty string throws an error as an invalid value jQuery.attrHooks.contenteditable = { get: nodeHook.get, set: function( elem, value, name ) { if ( value === "" ) { value = "false"; } nodeHook.set( elem, value, name ); } }; }
// Some attributes require a special call on IE
if ( !jQuery.support.hrefNormalized ) {
jQuery.each([ "href", "src", "width", "height" ], function( i, name ) {
jQuery.attrHooks[ name ] = jQuery.extend( jQuery.attrHooks[ name ], {
get: function( elem ) {
var ret = elem.getAttribute( name, 2 );
return ret === null ? undefined : ret;
}
});
});
}
if ( !jQuery.support.style ) { jQuery.attrHooks.style = { get: function( elem ) { // Return undefined in the case of empty string // Normalize to lowercase since IE uppercases css property names return elem.style.cssText.toLowerCase() || undefined; }, set: function( elem, value ) { return ( elem.style.cssText = "" + value ); } }; }
// Safari mis-reports the default selected property of an option // Accessing the parent's selectedIndex property fixes it if ( !jQuery.support.optSelected ) { jQuery.propHooks.selected = jQuery.extend( 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; } }); }
// IE6/7 call enctype encoding if ( !jQuery.support.enctype ) { jQuery.propFix.enctype = "encoding"; }
// Radios and checkboxes getter/setter if ( !jQuery.support.checkOn ) { jQuery.each([ "radio", "checkbox" ], function() { jQuery.valHooks[ this ] = { get: function( elem ) { // Handle the case where in Webkit "" is returned instead of "on" if a value isn't specified return elem.getAttribute("value") === null ? "on" : elem.value; } }; }); } jQuery.each([ "radio", "checkbox" ], function() { jQuery.valHooks[ this ] = jQuery.extend( jQuery.valHooks[ this ], { set: function( elem, value ) { if ( jQuery.isArray( value ) ) { return ( elem.checked = jQuery.inArray( jQuery(elem).val(), value ) >= 0 ); } } }); }); var rformElems = /^(?:textarea|input|select)$/i, rtypenamespace = /^([^\.]*|)(?:\.(.+)|)$/, rhoverHack = /(?:^|\s)hover(\.\S+|)\b/, rkeyEvent = /^key/, rmouseEvent = /^(?:mouse|contextmenu)|click/, rfocusMorph = /^(?:focusinfocus|focusoutblur)$/, hoverHack = function( events ) { return jQuery.event.special.hover ? events : events.replace( rhoverHack, "mouseenter$1 mouseleave$1" ); };
/*
* Helper functions for managing events -- not part of the public interface. * Props to Dean Edwards' addEvent library for many of the ideas. */
jQuery.event = {
add: function( elem, types, handler, data, selector ) {
var elemData, eventHandle, events, t, tns, type, namespaces, handleObj, handleObjIn, handlers, special;
// Don't attach events to noData or text/comment nodes (allow plain objects tho) if ( elem.nodeType === 3 || elem.nodeType === 8 || !types || !handler || !(elemData = jQuery._data( elem )) ) { 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 events = elemData.events; if ( !events ) { elemData.events = events = {}; } eventHandle = elemData.handle; if ( !eventHandle ) { elemData.handle = eventHandle = 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 !== "undefined" && (!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 // jQuery(...).bind("mouseover mouseout", fn); types = jQuery.trim( hoverHack(types) ).split( " " ); for ( t = 0; t < types.length; t++ ) {
tns = rtypenamespace.exec( types[t] ) || []; type = tns[1]; namespaces = ( tns[2] || "" ).split( "." ).sort();
// 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: tns[1], data: data, handler: handler, guid: handler.guid, selector: selector, namespace: namespaces.join(".") }, handleObjIn );
// Init the event handler queue if we're the first handlers = events[ type ]; if ( !handlers ) { 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; },
global: {},
// Detach an event or set of events from an element remove: function( elem, types, handler, selector, mappedTypes ) {
var t, tns, type, origType, namespaces, origCount, j, events, special, eventType, handleObj, 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 = jQuery.trim( hoverHack( types || "" ) ).split(" "); for ( t = 0; t < types.length; t++ ) { tns = rtypenamespace.exec( types[t] ) || []; type = origType = tns[1]; namespaces = tns[2];
// 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; eventType = events[ type ] || []; origCount = eventType.length; namespaces = namespaces ? new RegExp("(^|\\.)" + namespaces.split(".").sort().join("\\.(?:.*\\.|)") + "(\\.|$)") : null;
// Remove matching events for ( j = 0; j < eventType.length; j++ ) { handleObj = eventType[ j ];
if ( ( mappedTypes || origType === handleObj.origType ) && ( !handler || handler.guid === handleObj.guid ) && ( !namespaces || namespaces.test( handleObj.namespace ) ) && ( !selector || selector === handleObj.selector || selector === "**" && handleObj.selector ) ) { eventType.splice( j--, 1 );
if ( handleObj.selector ) { eventType.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 ( eventType.length === 0 && origCount !== eventType.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", true ); } },
// Events that are safe to short-circuit if no handlers are attached. // Native DOM events should not be added, they may have inline handlers. customEvent: { "getData": true, "setData": true, "changeData": true },
trigger: function( event, data, elem, onlyHandlers ) { // Don't do events on text and comment nodes if ( elem && (elem.nodeType === 3 || elem.nodeType === 8) ) { return; }
// Event object or event type var cache, exclusive, i, cur, old, ontype, special, handle, eventPath, bubbleType, type = event.type || event, namespaces = [];
// 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 ) { // Exclusive events trigger only for the exact event (no namespaces) type = type.slice(0, -1); exclusive = true; }
if ( type.indexOf( "." ) >= 0 ) { // Namespaced trigger; create a regexp to match event type in handle() namespaces = type.split("."); type = namespaces.shift(); namespaces.sort(); }
if ( (!elem || jQuery.event.customEvent[ type ]) && !jQuery.event.global[ type ] ) { // No jQuery handlers for this event type, and it can't have inline handlers return; }
// Caller can pass in an Event, Object, or just an event type string event = typeof event === "object" ? // jQuery.Event object event[ jQuery.expando ] ? event : // Object literal new jQuery.Event( type, event ) : // Just the event type (string) new jQuery.Event( type );
event.type = type; event.isTrigger = true; event.exclusive = exclusive; event.namespace = namespaces.join( "." ); event.namespace_re = event.namespace? new RegExp("(^|\\.)" + namespaces.join("\\.(?:.*\\.|)") + "(\\.|$)") : null; ontype = type.indexOf( ":" ) < 0 ? "on" + type : "";
// Handle a global trigger if ( !elem ) {
// TODO: Stop taunting the data cache; remove global events and always attach to document cache = jQuery.cache; for ( i in cache ) { if ( cache[ i ].events && cache[ i ].events[ type ] ) { jQuery.event.trigger( event, data, cache[ i ].handle.elem, true ); } } return; }
// 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 ? jQuery.makeArray( data ) : []; data.unshift( event );
// Allow special events to draw outside the lines special = jQuery.event.special[ type ] || {}; if ( 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) eventPath = | type ; if ( !onlyHandlers && !special.noBubble && !jQuery.isWindow( elem ) ) {
bubbleType = special.delegateType || type; cur = rfocusMorph.test( bubbleType + type ) ? elem : elem.parentNode; for ( old = elem; cur; cur = cur.parentNode ) { eventPath.push([ cur, bubbleType ]); old = cur; }
// Only add window if we got to document (e.g., not plain obj or detached DOM) if ( old === (elem.ownerDocument || document) ) { eventPath.push([ old.defaultView || old.parentWindow || window, bubbleType ]); } }
// Fire handlers on the event path for ( i = 0; i < eventPath.length && !event.isPropagationStopped(); i++ ) {
cur = eventPath[i][0]; event.type = eventPath[i][1];
handle = ( jQuery._data( cur, "events" ) || {} )[ event.type ] && jQuery._data( cur, "handle" ); if ( handle ) { handle.apply( cur, data ); } // Note that this is a bare JS function and not a jQuery handler handle = ontype && cur[ ontype ]; if ( handle && jQuery.acceptData( cur ) && handle.apply( cur, data ) === 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( elem.ownerDocument, data ) === false) && !(type === "click" && jQuery.nodeName( elem, "a" )) && 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) // IE<9 dies on focus/blur to hidden element (#1486) if ( ontype && elem[ type ] && ((type !== "focus" && type !== "blur") || event.target.offsetWidth !== 0) && !jQuery.isWindow( elem ) ) {
// Don't re-trigger an onFOO event when we call its FOO() method old = elem[ ontype ];
if ( old ) { elem[ ontype ] = null; }
// Prevent re-triggering of the same event, since we already bubbled it above jQuery.event.triggered = type; elem[ type ](); jQuery.event.triggered = undefined;
if ( old ) { elem[ ontype ] = old; } } } }
return event.result; },
dispatch: function( event ) {
// Make a writable jQuery.Event from the native event object event = jQuery.event.fix( event || window.event );
var i, j, cur, jqcur, ret, selMatch, matched, matches, handleObj, sel, related, handlers = ( (jQuery._data( this, "events" ) || {} )[ event.type ] || []), delegateCount = handlers.delegateCount, args = [].slice.call( arguments ), run_all = !event.exclusive && !event.namespace, special = jQuery.event.special[ event.type ] || {}, handlerQueue = [];
// 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 that should run if there are delegated events // Avoid non-left-click bubbling in Firefox (#3861) if ( delegateCount && !(event.button && event.type === "click") ) {
// Pregenerate a single jQuery object for reuse with .is() jqcur = jQuery(this); jqcur.context = this;
for ( cur = event.target; cur != this; cur = cur.parentNode || this ) {
// Don't process clicks (ONLY) on disabled elements (#6911, #8165, #xxxx) if ( cur.disabled !== true || event.type !== "click" ) { selMatch = {}; matches = []; jqcur[0] = cur; for ( i = 0; i < delegateCount; i++ ) { handleObj = handlers[ i ]; sel = handleObj.selector;
if ( selMatch[ sel ] === undefined ) { selMatch[ sel ] = jqcur.is( sel ); } if ( selMatch[ sel ] ) { matches.push( handleObj ); } } if ( matches.length ) { handlerQueue.push({ elem: cur, matches: matches }); } } } }
// Add the remaining (directly-bound) handlers if ( handlers.length > delegateCount ) { handlerQueue.push({ elem: this, matches: handlers.slice( delegateCount ) }); }
// Run delegates first; they may want to stop propagation beneath us for ( i = 0; i < handlerQueue.length && !event.isPropagationStopped(); i++ ) { matched = handlerQueue[ i ]; event.currentTarget = matched.elem;
for ( j = 0; j < matched.matches.length && !event.isImmediatePropagationStopped(); j++ ) { handleObj = matched.matches[ j ];
// Triggered event must either 1) be non-exclusive and have no namespace, or // 2) have namespace(s) a subset or equal to those in the bound event (both can have no namespace). if ( run_all || (!event.namespace && !handleObj.namespace) || event.namespace_re && event.namespace_re.test( handleObj.namespace ) ) {
event.data = handleObj.data; event.handleObj = handleObj;
ret = ( (jQuery.event.special[ handleObj.origType ] || {}).handle || handleObj.handler ) .apply( matched.elem, args );
if ( ret !== undefined ) { event.result = ret; if ( 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; },
// Includes some event props shared by KeyEvent and MouseEvent // *** attrChange attrName relatedNode srcElement are not normalized, non-W3C, deprecated, will be removed in 1.8 *** props: "attrChange attrName relatedNode srcElement 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 eventDoc, doc, body, 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; } },
fix: function( event ) { if ( event[ jQuery.expando ] ) { return event; }
// Create a writable copy of the event object and normalize some properties var i, prop, originalEvent = event, fixHook = jQuery.event.fixHooks[ event.type ] || {}, copy = fixHook.props ? this.props.concat( fixHook.props ) : this.props;
event = jQuery.Event( originalEvent );
for ( i = copy.length; i; ) { prop = copy[ --i ]; event[ prop ] = originalEvent[ prop ]; }
// Fix target property, if necessary (#1925, IE 6/7/8 & Safari2) if ( !event.target ) { event.target = originalEvent.srcElement || document; }
// Target should not be a text node (#504, Safari) if ( event.target.nodeType === 3 ) { event.target = event.target.parentNode; }
// For mouse/key events, metaKey==false if it's undefined (#3368, #11328; IE6/7/8) event.metaKey = !!event.metaKey;
return fixHook.filter? fixHook.filter( event, originalEvent ) : event; },
special: { ready: { // Make sure the ready event is setup setup: jQuery.bindReady },
load: { // Prevent triggered image.load events from bubbling to window.load noBubble: true },
focus: { delegateType: "focusin" }, blur: { delegateType: "focusout" },
beforeunload: { setup: function( data, namespaces, eventHandle ) { // We only want to do this special case on windows if ( jQuery.isWindow( this ) ) { this.onbeforeunload = eventHandle; } },
teardown: function( namespaces, eventHandle ) { if ( this.onbeforeunload === eventHandle ) { this.onbeforeunload = null; } } } },
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(); } } };
// Some plugins are using, but it's undocumented/deprecated and will be removed. // The 1.7 special event interface should provide all the hooks needed now. jQuery.event.handle = jQuery.event.dispatch;
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 ] === "undefined" ) { 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.returnValue === false || src.getPreventDefault && src.getPreventDefault() ) ? 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; };
function returnFalse() { return false; } function returnTrue() { return 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 = { preventDefault: function() { this.isDefaultPrevented = returnTrue;
var e = this.originalEvent; if ( !e ) { return; }
// if preventDefault exists run it on the original event if ( e.preventDefault ) { e.preventDefault();
// otherwise set the returnValue property of the original event to false (IE) } else { e.returnValue = false; } }, stopPropagation: function() { this.isPropagationStopped = returnTrue;
var e = this.originalEvent; if ( !e ) { return; } // if stopPropagation exists run it on the original event if ( e.stopPropagation ) { e.stopPropagation(); } // otherwise set the cancelBubble property of the original event to true (IE) e.cancelBubble = true; }, stopImmediatePropagation: function() { this.isImmediatePropagationStopped = returnTrue; this.stopPropagation(); }, isDefaultPrevented: returnFalse, isPropagationStopped: returnFalse, isImmediatePropagationStopped: returnFalse };
// Create mouseenter/leave events using mouseover/out and event-time checks jQuery.each({ mouseenter: "mouseover", mouseleave: "mouseout" }, function( orig, fix ) { jQuery.event.special[ orig ] = { delegateType: fix, bindType: fix,
handle: function( event ) { var ret, target = this, related = event.relatedTarget, handleObj = event.handleObj, selector = handleObj.selector;
// 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 ( !jQuery.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, "_submit_attached" ) ) { jQuery.event.add( form, "submit._submit", function( event ) { event._submit_bubble = true; }); jQuery._data( form, "_submit_attached", 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 ( !jQuery.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, "_change_attached" ) ) { 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, "_change_attached", 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 ( !jQuery.support.focusinBubbles ) { jQuery.each({ focus: "focusin", blur: "focusout" }, function( orig, fix ) {
// Attach a single capturing handler while someone wants focusin/focusout var attaches = 0, handler = function( event ) { jQuery.event.simulate( fix, event.target, jQuery.event.fix( event ), true ); };
jQuery.event.special[ fix ] = { setup: function() { if ( attaches++ === 0 ) { document.addEventListener( orig, handler, true ); } }, teardown: function() { if ( --attaches === 0 ) { document.removeEventListener( orig, handler, true ); } } }; }); }
jQuery.fn.extend({
on: function( types, selector, data, fn, /*INTERNAL*/ one ) { var origFn, type;
// Types can be a map of types/handlers if ( typeof types === "object" ) { // ( types-Object, selector, data ) if ( typeof selector !== "string" ) { // && selector != null // ( 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 ); }); },
bind: function( types, data, fn ) { return this.on( types, null, data, fn ); }, unbind: function( types, fn ) { return this.off( types, null, fn ); },
live: function( types, data, fn ) { jQuery( this.context ).on( types, this.selector, data, fn ); return this; }, die: function( types, fn ) { jQuery( this.context ).off( types, this.selector || "**", fn ); return this; },
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 ); },
trigger: function( type, data ) { return this.each(function() { jQuery.event.trigger( type, data, this ); }); }, triggerHandler: function( type, data ) { if ( this[0] ) { return jQuery.event.trigger( type, data, this[0], true ); } },
toggle: function( fn ) { // Save reference to arguments for access in closure var args = arguments, guid = fn.guid || jQuery.guid++, i = 0, toggler = function( event ) { // Figure out which function to execute var lastToggle = ( jQuery._data( this, "lastToggle" + fn.guid ) || 0 ) % i; jQuery._data( this, "lastToggle" + fn.guid, lastToggle + 1 );
// Make sure that clicks stop event.preventDefault();
// and execute the function return args[ lastToggle ].apply( this, arguments ) || false; };
// link all the functions, so any of them can unbind this click handler toggler.guid = guid; while ( i < args.length ) { args[ i++ ].guid = guid; }
return this.click( toggler ); },
hover: function( fnOver, fnOut ) { return this.mouseenter( fnOver ).mouseleave( fnOut || fnOver ); } });
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 ) { if ( fn == null ) { fn = data; data = null; }
return arguments.length > 0 ? this.on( name, null, data, fn ) : this.trigger( name ); };
if ( rkeyEvent.test( name ) ) { jQuery.event.fixHooks[ name ] = jQuery.event.keyHooks; }
if ( rmouseEvent.test( name ) ) { jQuery.event.fixHooks[ name ] = jQuery.event.mouseHooks; } }); /*!
* Sizzle CSS Selector Engine * Copyright 2012 jQuery Foundation and other contributors * Released under the MIT license * http://sizzlejs.com/ */
(function( window, undefined ) {
var cachedruns, dirruns, sortOrder, siblingCheck, assertGetIdNotName,
document = window.document, docElem = document.documentElement,
strundefined = "undefined", hasDuplicate = false, baseHasDuplicate = true, done = 0, slice = [].slice, push = [].push,
expando = ( "sizcache" + Math.random() ).replace( ".", "" ),
// Regex
// 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#" ),
// Acceptable operators http://www.w3.org/TR/selectors/#attribute-selectors operators = "([*^$|!~]?=)", attributes = "\\[" + whitespace + "*(" + characterEncoding + ")" + whitespace + "*(?:" + operators + whitespace + "*(?:(['\"])((?:\\\\.|[^\\\\])*?)\\3|(" + identifier + ")|)|)" + whitespace + "*\\]", pseudos = ":(" + characterEncoding + ")(?:\\((?:(['\"])((?:\\\\.|[^\\\\])*?)\\2|((?:[^,]|\\\\,|(?:,(?=[^\\[]*\\]))|(?:,(?=[^\\(]*\\))))*))\\)|)", pos = ":(nth|eq|gt|lt|first|last|even|odd)(?:\\((\\d*)\\)|)(?=[^-]|$)", combinators = whitespace + "*([\\x20\\t\\r\\n\\f>+~])" + whitespace + "*", groups = "(?=[^\\x20\\t\\r\\n\\f])(?:\\\\.|" + attributes + "|" + pseudos.replace( 2, 7 ) + "|[^\\\\(),])+",
// Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter rtrim = new RegExp( "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" + whitespace + "+$", "g" ),
rcombinators = new RegExp( "^" + combinators ),
// All simple (non-comma) selectors, excluding insignifant trailing whitespace rgroups = new RegExp( groups + "?(?=" + whitespace + "*,|$)", "g" ),
// A selector, or everything after leading whitespace // Optionally followed in either case by a ")" for terminating sub-selectors rselector = new RegExp( "^(?:(?!,)(?:(?:^|,)" + whitespace + "*" + groups + ")*?|" + whitespace + "*(.*?))(\\)|$)" ),
// All combinators and selector components (attribute test, tag, pseudo, etc.), the latter appearing together when consecutive rtokens = new RegExp( groups.slice( 19, -6 ) + "\\x20\\t\\r\\n\\f>+~])+|" + combinators, "g" ),
// Easily-parseable/retrievable ID or TAG or CLASS selectors rquickExpr = /^(?:#([\w\-]+)|(\w+)|\.([\w\-]+))$/,
rsibling = /[\x20\t\r\n\f]*[+~]/, rendsWithNot = /:not\($/,
rheader = /h\d/i, rinputs = /input|select|textarea|button/i,
rbackslash = /\\(?!\\)/g,
matchExpr = { "ID": new RegExp( "^#(" + characterEncoding + ")" ), "CLASS": new RegExp( "^\\.(" + characterEncoding + ")" ), "NAME": new RegExp( "^\\[name=['\"]?(" + characterEncoding + ")['\"]?\\]" ), "TAG": new RegExp( "^(" + characterEncoding.replace( "[-", "[-\\*" ) + ")" ), "ATTR": new RegExp( "^" + attributes ), "PSEUDO": new RegExp( "^" + pseudos ), "CHILD": new RegExp( "^:(only|nth|last|first)-child(?:\\(" + whitespace + "*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" + whitespace + "*(\\d+)|))" + whitespace + "*\\)|)", "i" ), "POS": new RegExp( pos, "ig" ), // For use in libraries implementing .is() "needsContext": new RegExp( "^" + whitespace + "*[>+~]|" + pos, "i" ) },
classCache = {}, cachedClasses = [], compilerCache = {}, cachedSelectors = [],
// Mark a function for use in filtering markFunction = function( fn ) { fn.sizzleFilter = true; return fn; },
// Returns a function to use in pseudos for input types createInputFunction = function( type ) { return function( elem ) { // Check the input's nodeName and type return elem.nodeName.toLowerCase() === "input" && elem.type === type; }; },
// Returns a function to use in pseudos for buttons createButtonFunction = function( type ) { return function( elem ) { var name = elem.nodeName.toLowerCase(); return (name === "input" || name === "button") && elem.type === type; }; },
// Used for testing something on an element assert = function( fn ) { var pass = false, div = document.createElement("div"); try { pass = fn( div ); } catch (e) {} // release memory in IE div = null; return pass; },
// Check if attributes should be retrieved by attribute nodes assertAttributes = assert(function( div ) { div.innerHTML = "<select></select>"; var type = typeof div.lastChild.getAttribute("multiple"); // IE8 returns a string for some attributes even when not present return type !== "boolean" && type !== "string"; }),
// Check if getElementById returns elements by name // Check if getElementsByName privileges form controls or returns elements by ID assertUsableName = assert(function( div ) { // Inject content div.id = expando + 0;
div.innerHTML = "<a name='" + expando + "'></a>";docElem.insertBefore( div, docElem.firstChild );
// Test var pass = document.getElementsByName && // buggy browsers will return fewer than the correct 2 document.getElementsByName( expando ).length === // buggy browsers will return more than the correct 0 2 + document.getElementsByName( expando + 0 ).length; assertGetIdNotName = !document.getElementById( expando );
// Cleanup docElem.removeChild( div );
return pass; }),
// Check if the browser returns only elements // when doing getElementsByTagName("*") assertTagNameNoComments = assert(function( div ) { div.appendChild( document.createComment("") ); return div.getElementsByTagName("*").length === 0; }),
// Check if getAttribute returns normalized href attributes assertHrefNotNormalized = assert(function( div ) { div.innerHTML = "<a href='#'></a>"; return div.firstChild && typeof div.firstChild.getAttribute !== strundefined && div.firstChild.getAttribute("href") === "#"; }),
// Check if getElementsByClassName can be trusted assertUsableClassName = assert(function( div ) { // Opera can't find a second classname (in 9.6)
div.innerHTML = "";if ( !div.getElementsByClassName || div.getElementsByClassName("e").length === 0 ) { return false; }
// Safari caches class attributes, doesn't catch changes (in 3.2) div.lastChild.className = "e"; return div.getElementsByClassName("e").length !== 1; });
var Sizzle = function( selector, context, results, seed ) { results = results || []; context = context || document; var match, elem, xml, m, nodeType = context.nodeType;
if ( nodeType !== 1 && nodeType !== 9 ) { return []; }
if ( !selector || typeof selector !== "string" ) { return results; }
xml = isXML( context );
if ( !xml && !seed ) { 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 #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, slice.call(context.getElementsByTagName( selector ), 0) ); return results;
// Speed-up: Sizzle(".CLASS") } else if ( (m = match[3]) && assertUsableClassName && context.getElementsByClassName ) { push.apply( results, slice.call(context.getElementsByClassName( m ), 0) ); return results; } } }
// All others return select( selector, context, results, seed, xml ); };
var Expr = Sizzle.selectors = {
// Can be adjusted by the user cacheLength: 50,
match: matchExpr,
order: [ "ID", "TAG" ],
attrHandle: {},
createPseudo: markFunction,
find: { "ID": assertGetIdNotName ? function( id, context, xml ) { if ( typeof context.getElementById !== strundefined && !xml ) { 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] : []; } } : function( id, context, xml ) { if ( typeof context.getElementById !== strundefined && !xml ) { var m = context.getElementById( id );
return m ? m.id === id || typeof m.getAttributeNode !== strundefined && m.getAttributeNode("id").value === id ? [m] : undefined : []; } },
"TAG": assertTagNameNoComments ? function( tag, context ) { if ( typeof context.getElementsByTagName !== strundefined ) { return context.getElementsByTagName( tag ); } } : function( tag, context ) { var results = context.getElementsByTagName( tag );
// Filter out possible comments if ( tag === "*" ) { var elem, tmp = [], i = 0;
for ( ; (elem = results[i]); i++ ) { if ( elem.nodeType === 1 ) { tmp.push( elem ); } }
return tmp; } return results; } },
relative: { ">": { dir: "parentNode", first: true }, " ": { dir: "parentNode" }, "+": { dir: "previousSibling", first: true }, "~": { dir: "previousSibling" } },
preFilter: { "ATTR": function( match ) { match[1] = match[1].replace( rbackslash, "" );
// Move the given value to match[3] whether quoted or unquoted match[3] = ( match[4] || match[5] || "" ).replace( rbackslash, "" );
if ( match[2] === "~=" ) { match[3] = " " + match[3] + " "; }
return match.slice( 0, 4 ); },
"CHILD": function( match ) { /* matches from matchExpr.CHILD 1 type (only|nth|...) 2 argument (even|odd|\d*|\d*n([+-]\d+)?|...) 3 xn-component of xn+y argument ([+-]?\d*n|) 4 sign of xn-component 5 x of xn-component 6 sign of y-component 7 y of y-component */ match[1] = match[1].toLowerCase();
if ( match[1] === "nth" ) { // nth-child requires argument if ( !match[2] ) { Sizzle.error( match[0] ); }
// numeric x and y parameters for Expr.filter.CHILD // remember that false/true cast respectively to 0/1 match[3] = +( match[3] ? match[4] + (match[5] || 1) : 2 * ( match[2] === "even" || match[2] === "odd" ) ); match[4] = +( ( match[6] + match[7] ) || match[2] === "odd" );
// other types prohibit arguments } else if ( match[2] ) { Sizzle.error( match[0] ); }
return match; },
"PSEUDO": function( match ) { var argument, unquoted = match[4];
if ( matchExpr["CHILD"].test( match[0] ) ) { return null; }
// Relinquish our claim on characters in `unquoted` from a closing parenthesis on if ( unquoted && (argument = rselector.exec( unquoted )) && argument.pop() ) {
match[0] = match[0].slice( 0, argument[0].length - unquoted.length - 1 ); unquoted = argument[0].slice( 0, -1 ); }
// Quoted or unquoted, we have the full argument // Return only captures needed by the pseudo filter method (type and argument) match.splice( 2, 3, unquoted || match[3] ); return match; } },
filter: { "ID": assertGetIdNotName ? function( id ) { id = id.replace( rbackslash, "" ); return function( elem ) { return elem.getAttribute("id") === id; }; } : function( id ) { id = id.replace( rbackslash, "" ); return function( elem ) { var node = typeof elem.getAttributeNode !== strundefined && elem.getAttributeNode("id"); return node && node.value === id; }; },
"TAG": function( nodeName ) { if ( nodeName === "*" ) { return function() { return true; }; } nodeName = nodeName.replace( rbackslash, "" ).toLowerCase();
return function( elem ) { return elem.nodeName && elem.nodeName.toLowerCase() === nodeName; }; },
"CLASS": function( className ) { var pattern = classCache[ className ]; if ( !pattern ) { pattern = classCache[ className ] = new RegExp( "(^|" + whitespace + ")" + className + "(" + whitespace + "|$)" ); cachedClasses.push( className ); // Avoid too large of a cache if ( cachedClasses.length > Expr.cacheLength ) { delete classCache[ cachedClasses.shift() ]; } } return function( elem ) { return pattern.test( elem.className || (typeof elem.getAttribute !== strundefined && elem.getAttribute("class")) || "" ); }; },
"ATTR": function( name, operator, check ) { if ( !operator ) { return function( elem ) { return Sizzle.attr( elem, name ) != null; }; }
return function( elem ) { var result = Sizzle.attr( elem, name ), value = result + "";
if ( result == null ) { return operator === "!="; }
switch ( operator ) { case "=": return value === check; case "!=": return value !== check; case "^=": return check && value.indexOf( check ) === 0; case "*=": return check && value.indexOf( check ) > -1; case "$=": return check && value.substr( value.length - check.length ) === check; case "~=": return ( " " + value + " " ).indexOf( check ) > -1; case "|=": return value === check || value.substr( 0, check.length + 1 ) === check + "-"; } }; },
"CHILD": function( type, argument, first, last ) {
if ( type === "nth" ) { var doneName = done++;
return function( elem ) { var parent, diff, count = 0, node = elem;
if ( first === 1 && last === 0 ) { return true; }
parent = elem.parentNode;
if ( parent && (parent[ expando ] !== doneName || !elem.sizset) ) { for ( node = parent.firstChild; node; node = node.nextSibling ) { if ( node.nodeType === 1 ) { node.sizset = ++count; if ( node === elem ) { break; } } }
parent[ expando ] = doneName; }
diff = elem.sizset - last;
if ( first === 0 ) { return diff === 0;
} else { return ( diff % first === 0 && diff / first >= 0 ); } }; }
return function( elem ) { var node = elem;
switch ( type ) { case "only": case "first": while ( (node = node.previousSibling) ) { if ( node.nodeType === 1 ) { return false; } }
if ( type === "first" ) { return true; }
node = elem;
/* falls through */ case "last": while ( (node = node.nextSibling) ) { if ( node.nodeType === 1 ) { return false; } }
return true; } }; },
"PSEUDO": function( pseudo, argument, context, xml ) { // 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 var fn = Expr.pseudos[ pseudo ] || Expr.pseudos[ pseudo.toLowerCase() ];
if ( !fn ) { Sizzle.error( "unsupported pseudo: " + pseudo ); }
// The user may set fn.sizzleFilter to indicate // that arguments are needed to create the filter function // just as Sizzle does if ( !fn.sizzleFilter ) { return fn; }
return fn( argument, context, xml ); } },
pseudos: { "not": markFunction(function( selector, context, xml ) { // Trim the selector passed to compile // to avoid treating leading and trailing // spaces as combinators var matcher = compile( selector.replace( rtrim, "$1" ), context, xml ); return function( elem ) { return !matcher( elem ); }; }),
"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; },
"parent": function( elem ) { return !Expr.pseudos["empty"]( elem ); },
"empty": function( elem ) { // http://www.w3.org/TR/selectors/#empty-pseudo // :empty is only affected by element nodes and content nodes(including text(3), cdata(4)), // not comment, processing instructions, or others // Thanks to Diego Perini for the nodeName shortcut // Greater than "@" means alpha characters (specifically not starting with "#" or "?") var nodeType; elem = elem.firstChild; while ( elem ) { if ( elem.nodeName > "@" || (nodeType = elem.nodeType) === 3 || nodeType === 4 ) { return false; } elem = elem.nextSibling; } return true; },
"contains": markFunction(function( text ) { return function( elem ) { return ( elem.textContent || elem.innerText || getText( elem ) ).indexOf( text ) > -1; }; }),
"has": markFunction(function( selector ) { return function( elem ) { return Sizzle( selector, elem ).length > 0; }; }),
"header": function( elem ) { return rheader.test( elem.nodeName ); },
"text": function( elem ) { var type, attr; // IE6 and 7 will map elem.type to 'text' for new HTML5 types (search, etc) // use getAttribute instead to test this case return elem.nodeName.toLowerCase() === "input" && (type = elem.type) === "text" && ( (attr = elem.getAttribute("type")) == null || attr.toLowerCase() === type ); },
// Input types "radio": createInputFunction("radio"), "checkbox": createInputFunction("checkbox"), "file": createInputFunction("file"), "password": createInputFunction("password"), "image": createInputFunction("image"),
"submit": createButtonFunction("submit"), "reset": createButtonFunction("reset"),
"button": function( elem ) { var name = elem.nodeName.toLowerCase(); return name === "input" && elem.type === "button" || name === "button"; },
"input": function( elem ) { return rinputs.test( elem.nodeName ); },
"focus": function( elem ) { var doc = elem.ownerDocument; return elem === doc.activeElement && (!doc.hasFocus || doc.hasFocus()) && !!(elem.type || elem.href); },
"active": function( elem ) { return elem === elem.ownerDocument.activeElement; } },
setFilters: { "first": function( elements, argument, not ) { return not ? elements.slice( 1 ) : [ elements[0] ]; },
"last": function( elements, argument, not ) { var elem = elements.pop(); return not ? elements : [ elem ]; },
"even": function( elements, argument, not ) { var results = [], i = not ? 1 : 0, len = elements.length; for ( ; i < len; i = i + 2 ) { results.push( elements[i] ); } return results; },
"odd": function( elements, argument, not ) { var results = [], i = not ? 0 : 1, len = elements.length; for ( ; i < len; i = i + 2 ) { results.push( elements[i] ); } return results; },
"lt": function( elements, argument, not ) { return not ? elements.slice( +argument ) : elements.slice( 0, +argument ); },
"gt": function( elements, argument, not ) { return not ? elements.slice( 0, +argument + 1 ) : elements.slice( +argument + 1 ); },
"eq": function( elements, argument, not ) { var elem = elements.splice( +argument, 1 ); return not ? elements : elem; } } };
// Deprecated Expr.setFilters["nth"] = Expr.setFilters["eq"];
// Back-compat Expr.filters = Expr.pseudos;
// IE6/7 return a modified href if ( !assertHrefNotNormalized ) { Expr.attrHandle = { "href": function( elem ) { return elem.getAttribute( "href", 2 ); }, "type": function( elem ) { return elem.getAttribute("type"); } }; }
// Add getElementsByName if usable if ( assertUsableName ) { Expr.order.push("NAME"); Expr.find["NAME"] = function( name, context ) { if ( typeof context.getElementsByName !== strundefined ) { return context.getElementsByName( name ); } }; }
// Add getElementsByClassName if usable if ( assertUsableClassName ) { Expr.order.splice( 1, 0, "CLASS" ); Expr.find["CLASS"] = function( className, context, xml ) { if ( typeof context.getElementsByClassName !== strundefined && !xml ) { return context.getElementsByClassName( className ); } }; }
// If slice is not available, provide a backup try { slice.call( docElem.childNodes, 0 )[0].nodeType; } catch ( e ) { slice = function( i ) { var elem, results = []; for ( ; (elem = this[i]); i++ ) { results.push( elem ); } return results; }; }
var 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; };
// Element contains another var contains = Sizzle.contains = docElem.compareDocumentPosition ? function( a, b ) { return !!( a.compareDocumentPosition( b ) & 16 ); } : docElem.contains ? function( a, b ) { var adown = a.nodeType === 9 ? a.documentElement : a, bup = b.parentNode; return a === bup || !!( bup && bup.nodeType === 1 && adown.contains && adown.contains(bup) ); } : function( a, b ) { while ( (b = b.parentNode) ) { if ( b === a ) { return true; } } return false; };
/**
* Utility function for retrieving the text value of an array of DOM nodes
* @param {Array|Element} elem
*/
var getText = Sizzle.getText = function( elem ) { var node, ret = "", i = 0, nodeType = elem.nodeType;
if ( nodeType ) { if ( nodeType === 1 || nodeType === 9 || nodeType === 11 ) { // Use textContent for elements // innerText usage removed for consistency of new lines (see #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 } else {
// If no nodeType, this is expected to be an array for ( ; (node = elem[i]); i++ ) { // Do not traverse comment nodes ret += getText( node ); } } return ret; };
Sizzle.attr = function( elem, name ) { var attr, xml = isXML( elem );
if ( !xml ) { name = name.toLowerCase(); } if ( Expr.attrHandle[ name ] ) { return Expr.attrHandle[ name ]( elem ); } if ( assertAttributes || xml ) { return elem.getAttribute( name ); } attr = elem.getAttributeNode( name ); return attr ? typeof elem[ name ] === "boolean" ? elem[ name ] ? name : null : attr.specified ? attr.value : null : null; };
Sizzle.error = function( msg ) { throw new Error( "Syntax error, unrecognized expression: " + msg ); };
// Check if the JavaScript engine is using some sort of // optimization where it does not always call our comparision // function. If that is the case, discard the hasDuplicate value. // Thus far that includes Google Chrome. [0, 0].sort(function() { return (baseHasDuplicate = 0); });
if ( docElem.compareDocumentPosition ) {
sortOrder = function( a, b ) {
if ( a === b ) {
hasDuplicate = true;
return 0;
}
return ( !a.compareDocumentPosition || !b.compareDocumentPosition ? a.compareDocumentPosition : a.compareDocumentPosition(b) & 4 ) ? -1 : 1; };
} else { sortOrder = function( a, b ) { // The nodes are identical, we can exit early if ( a === b ) { hasDuplicate = true; return 0;
// Fallback to using sourceIndex (in IE) if it's available on both nodes } else if ( a.sourceIndex && b.sourceIndex ) { return a.sourceIndex - b.sourceIndex; }
var al, bl, ap = [], bp = [], aup = a.parentNode, bup = b.parentNode, cur = aup;
// If the nodes are siblings (or identical) we can do a quick check if ( aup === bup ) { return siblingCheck( a, b );
// If no parents were found then the nodes are disconnected } else if ( !aup ) { return -1;
} else if ( !bup ) { return 1; }
// Otherwise they're somewhere else in the tree so we need // to build up a full list of the parentNodes for comparison while ( cur ) { ap.unshift( cur ); cur = cur.parentNode; }
cur = bup;
while ( cur ) { bp.unshift( cur ); cur = cur.parentNode; }
al = ap.length; bl = bp.length;
// Start walking down the tree looking for a discrepancy for ( var i = 0; i < al && i < bl; i++ ) { if ( ap[i] !== bp[i] ) { return siblingCheck( ap[i], bp[i] ); } }
// We ended someplace up the tree so do a sibling check return i === al ? siblingCheck( a, bp[i], -1 ) : siblingCheck( ap[i], b, 1 ); };
siblingCheck = function( a, b, ret ) { if ( a === b ) { return ret; }
var cur = a.nextSibling;
while ( cur ) { if ( cur === b ) { return -1; }
cur = cur.nextSibling; }
return 1; }; }
// Document sorting and removing duplicates Sizzle.uniqueSort = function( results ) { var elem, i = 1;
if ( sortOrder ) { hasDuplicate = baseHasDuplicate; results.sort( sortOrder );
if ( hasDuplicate ) { for ( ; (elem = results[i]); i++ ) { if ( elem === results[ i - 1 ] ) { results.splice( i--, 1 ); } } } }
return results; };
function multipleContexts( selector, contexts, results, seed ) { var i = 0, len = contexts.length; for ( ; i < len; i++ ) { Sizzle( selector, contexts[i], results, seed ); } }
function handlePOSGroup( selector, posfilter, argument, contexts, seed, not ) { var results, fn = Expr.setFilters[ posfilter.toLowerCase() ];
if ( !fn ) { Sizzle.error( posfilter ); }
if ( selector || !(results = seed) ) { multipleContexts( selector || "*", contexts, (results = []), seed ); }
return results.length > 0 ? fn( results, argument, not ) : []; }
function handlePOS( selector, context, results, seed, groups ) { var match, not, anchor, ret, elements, currentContexts, part, lastIndex, i = 0, len = groups.length, rpos = matchExpr["POS"], // This is generated here in case matchExpr["POS"] is extended rposgroups = new RegExp( "^" + rpos.source + "(?!" + whitespace + ")", "i" ), // This is for making sure non-participating // matching groups are represented cross-browser (IE6-8) setUndefined = function() { var i = 1, len = arguments.length - 2; for ( ; i < len; i++ ) { if ( arguments[i] === undefined ) { match[i] = undefined; } } };
for ( ; i < len; i++ ) { // Reset regex index to 0 rpos.exec(""); selector = groups[i]; ret = []; anchor = 0; elements = seed; while ( (match = rpos.exec( selector )) ) { lastIndex = rpos.lastIndex = match.index + match[0].length; if ( lastIndex > anchor ) { part = selector.slice( anchor, match.index ); anchor = lastIndex; currentContexts = [ context ];
if ( rcombinators.test(part) ) { if ( elements ) { currentContexts = elements; } elements = seed; }
if ( (not = rendsWithNot.test( part )) ) { part = part.slice( 0, -5 ).replace( rcombinators, "$&*" ); }
if ( match.length > 1 ) { match[0].replace( rposgroups, setUndefined ); } elements = handlePOSGroup( part, match[1], match[2], currentContexts, elements, not ); } }
if ( elements ) { ret = ret.concat( elements );
if ( (part = selector.slice( anchor )) && part !== ")" ) { if ( rcombinators.test(part) ) { multipleContexts( part, ret, results, seed ); } else { Sizzle( part, context, results, seed ? seed.concat(elements) : elements ); } } else { push.apply( results, ret ); } } else { Sizzle( selector, context, results, seed ); } }
// Do not sort if this is a single filter return len === 1 ? results : Sizzle.uniqueSort( results ); }
function tokenize( selector, context, xml ) { var tokens, soFar, type, groups = [], i = 0,
// Catch obvious selector issues: terminal ")"; nonempty fallback match // rselector never fails to match *something* match = rselector.exec( selector ), matched = !match.pop() && !match.pop(), selectorGroups = matched && selector.match( rgroups ) || [""],
preFilters = Expr.preFilter, filters = Expr.filter, checkContext = !xml && context !== document;
for ( ; (soFar = selectorGroups[i]) != null && matched; i++ ) { groups.push( tokens = [] );
// Need to make sure we're within a narrower context if necessary // Adding a descendant combinator will generate what is needed if ( checkContext ) { soFar = " " + soFar; }
while ( soFar ) { matched = false;
// Combinators if ( (match = rcombinators.exec( soFar )) ) { soFar = soFar.slice( match[0].length );
// Cast descendant combinators to space matched = tokens.push({ part: match.pop().replace( rtrim, " " ), captures: match }); }
// Filters for ( type in filters ) { if ( (match = matchExpr[ type ].exec( soFar )) && (!preFilters[ type ] || (match = preFilters[ type ]( match, context, xml )) ) ) {
soFar = soFar.slice( match.shift().length ); matched = tokens.push({ part: type, captures: match }); } }
if ( !matched ) { break; } } }
if ( !matched ) { Sizzle.error( selector ); }
return groups; }
function addCombinator( matcher, combinator, context ) { var dir = combinator.dir, doneName = done++;
if ( !matcher ) { // If there is no matcher to check, check against the context matcher = function( elem ) { return elem === context; }; } return combinator.first ? function( elem, context ) { while ( (elem = elem[ dir ]) ) { if ( elem.nodeType === 1 ) { return matcher( elem, context ) && elem; } } } : function( elem, context ) { var cache, dirkey = doneName + "." + dirruns, cachedkey = dirkey + "." + cachedruns; while ( (elem = elem[ dir ]) ) { if ( elem.nodeType === 1 ) { if ( (cache = elem[ expando ]) === cachedkey ) { return elem.sizset; } else if ( typeof cache === "string" && cache.indexOf(dirkey) === 0 ) { if ( elem.sizset ) { return elem; } } else { elem[ expando ] = cachedkey; if ( matcher( elem, context ) ) { elem.sizset = true; return elem; } elem.sizset = false; } } } }; }
function addMatcher( higher, deeper ) { return higher ? function( elem, context ) { var result = deeper( elem, context ); return result && higher( result === true ? elem : result, context ); } : deeper; }
// ["TAG", ">", "ID", " ", "CLASS"] function matcherFromTokens( tokens, context, xml ) { var token, matcher, i = 0;
for ( ; (token = tokens[i]); i++ ) { if ( Expr.relative[ token.part ] ) { matcher = addCombinator( matcher, Expr.relative[ token.part ], context ); } else { token.captures.push( context, xml ); matcher = addMatcher( matcher, Expr.filter[ token.part ].apply( null, token.captures ) ); } }
return matcher; }
function matcherFromGroupMatchers( matchers ) { return function( elem, context ) { var matcher, j = 0; for ( ; (matcher = matchers[j]); j++ ) { if ( matcher(elem, context) ) { return true; } } return false; }; }
var compile = Sizzle.compile = function( selector, context, xml ) { var tokens, group, i, cached = compilerCache[ selector ];
// Return a cached group function if already generated (context dependent) if ( cached && cached.context === context ) { return cached; }
// Generate a function of recursive functions that can be used to check each element group = tokenize( selector, context, xml ); for ( i = 0; (tokens = group[i]); i++ ) { group[i] = matcherFromTokens( tokens, context, xml ); }
// Cache the compiled function cached = compilerCache[ selector ] = matcherFromGroupMatchers( group ); cached.context = context; cached.runs = cached.dirruns = 0; cachedSelectors.push( selector ); // Ensure only the most recent are cached if ( cachedSelectors.length > Expr.cacheLength ) { delete compilerCache[ cachedSelectors.shift() ]; } return cached; };
Sizzle.matches = function( expr, elements ) { return Sizzle( expr, null, null, elements ); };
Sizzle.matchesSelector = function( elem, expr ) { return Sizzle( expr, null, null, [ elem ] ).length > 0; };
var select = function( selector, context, results, seed, xml ) { // Remove excessive whitespace selector = selector.replace( rtrim, "$1" ); var elements, matcher, i, len, elem, token, type, findContext, notTokens, match = selector.match( rgroups ), tokens = selector.match( rtokens ), contextNodeType = context.nodeType;
// POS handling if ( matchExpr["POS"].test(selector) ) { return handlePOS( selector, context, results, seed, match ); }
if ( seed ) { elements = slice.call( seed, 0 );
// To maintain document order, only narrow the // set if there is one group } else if ( match && match.length === 1 ) {
// Take a shortcut and set the context if the root selector is an ID if ( tokens.length > 1 && contextNodeType === 9 && !xml && (match = matchExpr["ID"].exec( tokens[0] )) ) {
context = Expr.find["ID"]( match[1], context, xml )[0]; if ( !context ) { return results; }
selector = selector.slice( tokens.shift().length ); }
findContext = ( (match = rsibling.exec( tokens[0] )) && !match.index && context.parentNode ) || context;
// Get the last token, excluding :not notTokens = tokens.pop(); token = notTokens.split(":not")[0];
for ( i = 0, len = Expr.order.length; i < len; i++ ) { type = Expr.order[i];
if ( (match = matchExpr[ type ].exec( token )) ) { elements = Expr.find[ type ]( (match[1] || "").replace( rbackslash, "" ), findContext, xml );
if ( elements == null ) { continue; }
if ( token === notTokens ) { selector = selector.slice( 0, selector.length - notTokens.length ) + token.replace( matchExpr[ type ], "" );
if ( !selector ) { push.apply( results, slice.call(elements, 0) ); } } break; } } }
// Only loop over the given elements once // If selector is empty, we're already done if ( selector ) { matcher = compile( selector, context, xml ); dirruns = matcher.dirruns++;
if ( elements == null ) { elements = Expr.find["TAG"]( "*", (rsibling.test( selector ) && context.parentNode) || context ); } for ( i = 0; (elem = elements[i]); i++ ) { cachedruns = matcher.runs++; if ( matcher(elem, context) ) { results.push( elem ); } } }
return results; };
if ( document.querySelectorAll ) { (function() { var disconnectedMatch, oldSelect = select, rescape = /'|\\/g, rattributeQuotes = /\=[\x20\t\r\n\f]*([^'"\]]*)[\x20\t\r\n\f]*\]/g, rbuggyQSA = [], // matchesSelector(:active) reports false when true (IE9/Opera 11.5) // A support test would require too much code (would include document ready) // just skip matchesSelector for :active rbuggyMatches = [":active"], matches = docElem.matchesSelector || docElem.mozMatchesSelector || docElem.webkitMatchesSelector || docElem.oMatchesSelector || docElem.msMatchesSelector;
// Build QSA regex // Regex strategy adopted from Diego Perini assert(function( div ) { div.innerHTML = "<select><option selected></option></select>";
// IE8 - Some boolean attributes are not treated correctly if ( !div.querySelectorAll("[selected]").length ) { rbuggyQSA.push( "\\[" + whitespace + "*(?:checked|disabled|ismap|multiple|readonly|selected|value)" ); }
// Webkit/Opera - :checked should return selected option elements // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked // IE8 throws error here (do not put tests after this one) if ( !div.querySelectorAll(":checked").length ) { rbuggyQSA.push(":checked"); } });
assert(function( div ) {
// Opera 10-12/IE9 - ^= $= *= and empty values // Should not select anything
div.innerHTML = "";if ( div.querySelectorAll("[test^=]").length ) { rbuggyQSA.push( "[*^$]=" + whitespace + "*(?:\"\"|)" ); }
// FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled) // IE8 throws error here (do not put tests after this one) div.innerHTML = "<input type='hidden'>"; if ( !div.querySelectorAll(":enabled").length ) { rbuggyQSA.push(":enabled", ":disabled"); } });
rbuggyQSA = rbuggyQSA.length && new RegExp( rbuggyQSA.join("|") );
select = function( selector, context, results, seed, xml ) { // Only use querySelectorAll when not filtering, // when this is not xml, // and when no QSA bugs apply if ( !seed && !xml && (!rbuggyQSA || !rbuggyQSA.test( selector )) ) { if ( context.nodeType === 9 ) { try { push.apply( results, slice.call(context.querySelectorAll( selector ), 0) ); return results; } catch(qsaError) {} // 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 } else if ( context.nodeType === 1 && context.nodeName.toLowerCase() !== "object" ) { var old = context.getAttribute("id"), nid = old || expando, newContext = rsibling.test( selector ) && context.parentNode || context;
if ( old ) { nid = nid.replace( rescape, "\\$&" ); } else { context.setAttribute( "id", nid ); }
try { push.apply( results, slice.call( newContext.querySelectorAll( selector.replace( rgroups, "[id='" + nid + "'] $&" ) ), 0 ) ); return results; } catch(qsaError) { } finally { if ( !old ) { context.removeAttribute("id"); } } } }
return oldSelect( selector, context, results, seed, xml ); };
if ( matches ) { assert(function( div ) { // Check to see if it's possible to do matchesSelector // on a disconnected node (IE 9) disconnectedMatch = matches.call( div, "div" );
// This should fail with an exception // Gecko does not error, returns false instead try { matches.call( div, "[test!=]:sizzle" ); rbuggyMatches.push( Expr.match.PSEUDO ); } catch ( e ) {} });
// rbuggyMatches always contains :active, so no need for a length check rbuggyMatches = /* rbuggyMatches.length && */ new RegExp( rbuggyMatches.join("|") );
Sizzle.matchesSelector = function( elem, expr ) { // Make sure that attribute selectors are quoted expr = expr.replace( rattributeQuotes, "='$1']" );
// rbuggyMatches always contains :active, so no need for an existence check if ( !isXML( elem ) && !rbuggyMatches.test( expr ) && (!rbuggyQSA || !rbuggyQSA.test( expr )) ) { try { var ret = matches.call( elem, expr );
// IE 9's matchesSelector returns false on disconnected nodes if ( ret || disconnectedMatch || // As well, disconnected nodes are said to be in a document // fragment in IE 9 elem.document && elem.document.nodeType !== 11 ) { return ret; } } catch(e) {} }
return Sizzle( expr, null, null, [ elem ] ).length > 0; }; } })(); }
// Override sizzle attribute retrieval Sizzle.attr = jQuery.attr; jQuery.find = Sizzle; jQuery.expr = Sizzle.selectors; jQuery.expr[":"] = jQuery.expr.pseudos; jQuery.unique = Sizzle.uniqueSort; jQuery.text = Sizzle.getText; jQuery.isXMLDoc = Sizzle.isXML; jQuery.contains = Sizzle.contains;
})( window );
var runtil = /Until$/,
rparentsprev = /^(?:parents|prev(?:Until|All))/,
isSimple = /^.[^:#\[\.,]*$/,
rneedsContext = jQuery.expr.match.needsContext,
// methods guaranteed to produce a unique set when starting from a unique set
guaranteedUnique = {
children: true,
contents: true,
next: true,
prev: true
};
jQuery.fn.extend({ find: function( selector ) { var i, l, length, n, r, ret, self = this;
if ( typeof selector !== "string" ) { return jQuery( selector ).filter(function() { for ( i = 0, l = self.length; i < l; i++ ) { if ( jQuery.contains( self[ i ], this ) ) { return true; } } }); }
ret = this.pushStack( "", "find", selector );
for ( i = 0, l = this.length; i < l; i++ ) { length = ret.length; jQuery.find( selector, this[i], ret );
if ( i > 0 ) { // Make sure that the results are unique for ( n = length; n < ret.length; n++ ) { for ( r = 0; r < length; r++ ) { if ( ret[r] === ret[n] ) { ret.splice(n--, 1); break; } } } } }
return ret; },
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; } } }); },
not: function( selector ) { return this.pushStack( winnow(this, selector, false), "not", selector); },
filter: function( selector ) { return this.pushStack( winnow(this, selector, true), "filter", selector ); },
is: function( selector ) { return !!selector && ( typeof selector === "string" ? // 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". rneedsContext.test( selector ) ? jQuery( selector, this.context ).index( this[0] ) >= 0 : jQuery.filter( selector, this ).length > 0 : this.filter( selector ).length > 0 ); },
closest: function( selectors, context ) { var cur, i = 0, l = this.length, ret = [], pos = rneedsContext.test( selectors ) || typeof selectors !== "string" ? jQuery( selectors, context || this.context ) : 0;
for ( ; i < l; i++ ) { cur = this[i];
while ( cur && cur.ownerDocument && cur !== context && cur.nodeType !== 11 ) { if ( pos ? pos.index(cur) > -1 : jQuery.find.matchesSelector(cur, selectors) ) { ret.push( cur ); break; } cur = cur.parentNode; } }
ret = ret.length > 1 ? jQuery.unique( ret ) : ret;
return this.pushStack( ret, "closest", selectors ); },
// 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.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 ) { var set = typeof selector === "string" ? jQuery( selector, context ) : jQuery.makeArray( selector && selector.nodeType ? [ selector ] : selector ), all = jQuery.merge( this.get(), set );
return this.pushStack( isDisconnected( set[0] ) || isDisconnected( all[0] ) ? all : jQuery.unique( all ) ); },
addBack: function( selector ) { return this.add( selector == null ? this.prevObject : this.prevObject.filter(selector) ); } });
jQuery.fn.andSelf = jQuery.fn.addBack;
// A painfully simple check to see if an element is disconnected // from a document (should be improved, where feasible). function isDisconnected( node ) { return !node || !node.parentNode || node.parentNode.nodeType === 11; }
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 ( !runtil.test( name ) ) { selector = until; }
if ( selector && typeof selector === "string" ) { ret = jQuery.filter( selector, ret ); }
ret = this.length > 1 && !guaranteedUnique[ name ] ? jQuery.unique( ret ) : ret;
if ( this.length > 1 && rparentsprev.test( name ) ) { ret = ret.reverse(); }
return this.pushStack( ret, name, core_slice.call( arguments ).join(",") ); }; });
jQuery.extend({ filter: function( expr, elems, not ) { if ( not ) { expr = ":not(" + expr + ")"; }
return elems.length === 1 ? jQuery.find.matchesSelector(elems[0], expr) ? [ elems[0] ] : [] : jQuery.find.matches(expr, elems); },
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; } });
// Implement the identical functionality for filter and not function winnow( elements, qualifier, keep ) {
// Can't pass null or undefined to indexOf in Firefox 4 // Set to 0 to skip string check qualifier = qualifier || 0;
if ( jQuery.isFunction( qualifier ) ) { return jQuery.grep(elements, function( elem, i ) { var retVal = !!qualifier.call( elem, i, elem ); return retVal === keep; });
} else if ( qualifier.nodeType ) { return jQuery.grep(elements, function( elem, i ) { return ( elem === qualifier ) === keep; });
} else if ( typeof qualifier === "string" ) { var filtered = jQuery.grep(elements, function( elem ) { return elem.nodeType === 1; });
if ( isSimple.test( qualifier ) ) { return jQuery.filter(qualifier, filtered, !keep); } else { qualifier = jQuery.filter( qualifier, filtered ); } }
return jQuery.grep(elements, function( elem, i ) { return ( jQuery.inArray( elem, qualifier ) >= 0 ) === keep; }); } 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, 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, rnocache = /<(?:script|object|embed|option|style)/i, rnoshimcache = new RegExp("<(?:" + nodeNames + ")[\\s/>]", "i"), rcheckableType = /^(?:checkbox|radio)$/, // checked="checked" or checked rchecked = /checked\s*(?:[^=]|=\s*.checked.)/i, rscriptType = /\/(java|ecma)script/i, rcleanScript = /^\s*<!(?:\[CDATA\[|\-\-)|[\]\-]{2}>\s*$/g, wrapMap = { option: [ 1, "<select multiple='multiple'>", "</select>" ], legend: [ 1, "<fieldset>", "</fieldset>" ],
thead: [ 1, "area: [ 1, "<map>", "</map>" ], _default: [ 0, "", "" ] }, 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;
// 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. if ( !jQuery.support.htmlSerialize ) {
wrapMap._default = [ 1, "X}
jQuery.fn.extend({ text: function( value ) { return jQuery.access( this, function( value ) { return value === undefined ? jQuery.text( this ) : this.empty().append( ( this[0] && this[0].ownerDocument || document ).createTextNode( value ) ); }, null, value, arguments.length ); },
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(); },
append: function() { return this.domManip(arguments, true, function( elem ) { if ( this.nodeType === 1 || this.nodeType === 11 ) { this.appendChild( elem ); } }); },
prepend: function() { return this.domManip(arguments, true, function( elem ) { if ( this.nodeType === 1 || this.nodeType === 11 ) { this.insertBefore( elem, this.firstChild ); } }); },
before: function() { if ( !isDisconnected( this[0] ) ) { return this.domManip(arguments, false, function( elem ) { this.parentNode.insertBefore( elem, this ); }); }
if ( arguments.length ) { var set = jQuery.clean( arguments ); return this.pushStack( jQuery.merge( set, this ), "before", this.selector ); } },
after: function() { if ( !isDisconnected( this[0] ) ) { return this.domManip(arguments, false, function( elem ) { this.parentNode.insertBefore( elem, this.nextSibling ); }); }
if ( arguments.length ) { var set = jQuery.clean( arguments ); return this.pushStack( jQuery.merge( this, set ), "after", this.selector ); } },
// keepData is for internal use only--do not document remove: function( selector, keepData ) { var elem, i = 0;
for ( ; (elem = this[i]) != null; i++ ) { if ( !selector || jQuery.filter( selector, [ elem ] ).length ) { if ( !keepData && elem.nodeType === 1 ) { jQuery.cleanData( elem.getElementsByTagName("*") ); jQuery.cleanData( [ elem ] ); }
if ( elem.parentNode ) { elem.parentNode.removeChild( elem ); } } }
return this; },
empty: function() { var elem, i = 0;
for ( ; (elem = this[i]) != null; i++ ) { // Remove element nodes and prevent memory leaks if ( elem.nodeType === 1 ) { jQuery.cleanData( elem.getElementsByTagName("*") ); }
// Remove any remaining nodes while ( elem.firstChild ) { elem.removeChild( elem.firstChild ); } }
return this; },
clone: function( dataAndEvents, deepDataAndEvents ) { dataAndEvents = dataAndEvents == null ? false : dataAndEvents; deepDataAndEvents = deepDataAndEvents == null ? dataAndEvents : deepDataAndEvents;
return this.map( function () { return jQuery.clone( this, dataAndEvents, deepDataAndEvents ); }); },
html: function( value ) { return jQuery.access( this, function( value ) { var elem = this[0] || {}, i = 0, l = this.length;
if ( value === undefined ) { return elem.nodeType === 1 ? elem.innerHTML.replace( rinlinejQuery, "" ) : undefined; }
// See if we can take a shortcut and just use innerHTML if ( typeof value === "string" && !rnoInnerhtml.test( value ) && ( jQuery.support.htmlSerialize || !rnoshimcache.test( value ) ) && ( jQuery.support.leadingWhitespace || !rleadingWhitespace.test( value ) ) && !wrapMap[ ( rtagName.exec( value ) || ["", ""] )[1].toLowerCase() ] ) {
value = value.replace( rxhtmlTag, "<$1></$2>" );
try { for (; i < l; i++ ) { // Remove element nodes and prevent memory leaks elem = this[i] || {}; if ( elem.nodeType === 1 ) { jQuery.cleanData( elem.getElementsByTagName( "*" ) ); elem.innerHTML = value; } }
elem = 0;
// If using innerHTML throws an exception, use the fallback method } catch(e) {} }
if ( elem ) { this.empty().append( value ); } }, null, value, arguments.length ); },
replaceWith: function( value ) { if ( !isDisconnected( this[0] ) ) { // Make sure that the elements are removed from the DOM before they are inserted // this can help fix replacing a parent with child elements if ( jQuery.isFunction( value ) ) { return this.each(function(i) { var self = jQuery(this), old = self.html(); self.replaceWith( value.call( this, i, old ) ); }); }
if ( typeof value !== "string" ) { value = jQuery( value ).detach(); }
return this.each(function() { var next = this.nextSibling, parent = this.parentNode;
jQuery( this ).remove();
if ( next ) { jQuery(next).before( value ); } else { jQuery(parent).append( value ); } }); }
return this.length ? this.pushStack( jQuery(jQuery.isFunction(value) ? value() : value), "replaceWith", value ) : this; },
detach: function( selector ) { return this.remove( selector, true ); },
domManip: function( args, table, callback ) {
// Flatten any nested arrays args = [].concat.apply( [], args );
var results, first, fragment, iNoClone, i = 0, value = args[0], scripts = [], l = this.length;
// We can't cloneNode fragments that contain checked, in WebKit if ( !jQuery.support.checkClone && l > 1 && typeof value === "string" && rchecked.test( value ) ) { return this.each(function() { jQuery(this).domManip( args, table, callback ); }); }
if ( jQuery.isFunction(value) ) { return this.each(function(i) { var self = jQuery(this); args[0] = value.call( this, i, table ? self.html() : undefined ); self.domManip( args, table, callback ); }); }
if ( this[0] ) { results = jQuery.buildFragment( args, this, scripts ); fragment = results.fragment; first = fragment.firstChild;
if ( fragment.childNodes.length === 1 ) { fragment = first; }
if ( first ) { table = table && jQuery.nodeName( first, "tr" );
// Use the original fragment for the last item instead of the first because it can end up // being emptied incorrectly in certain situations (#8070). // Fragments from the fragment cache must always be cloned and never used in place. for ( iNoClone = results.cacheable || l - 1; i < l; i++ ) { callback.call( table && jQuery.nodeName( this[i], "table" ) ? findOrAppend( this[i], "tbody" ) : this[i], i === iNoClone ? fragment : jQuery.clone( fragment, true, true ) ); } }
// Fix #11809: Avoid leaking memory fragment = first = null;
if ( scripts.length ) { jQuery.each( scripts, function( i, elem ) { if ( elem.src ) { if ( jQuery.ajax ) { jQuery.ajax({ url: elem.src, type: "GET", dataType: "script", async: false, global: false, "throws": true }); } else { jQuery.error("no ajax"); } } else { jQuery.globalEval( ( elem.text || elem.textContent || elem.innerHTML || "" ).replace( rcleanScript, "" ) ); }
if ( elem.parentNode ) { elem.parentNode.removeChild( elem ); } }); } }
return this; } });
function findOrAppend( elem, tag ) { return elem.getElementsByTagName( tag )[0] || elem.appendChild( elem.ownerDocument.createElement( tag ) ); }
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 cloneFixAttributes( src, dest ) { var nodeName;
// We do not need to do anything for non-Elements if ( dest.nodeType !== 1 ) { return; }
// clearAttributes removes the attributes, which we don't want, // but also removes the attachEvent events, which we *do* want if ( dest.clearAttributes ) { dest.clearAttributes(); }
// mergeAttributes, in contrast, only merges back on the // original attributes, not the events if ( dest.mergeAttributes ) { dest.mergeAttributes( src ); }
nodeName = dest.nodeName.toLowerCase();
if ( nodeName === "object" ) { // IE6-10 improperly clones children of object elements using classid. // IE10 throws NoModificationAllowedError if parent is null, #12132. 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 ( jQuery.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.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;
// IE blanks contents when cloning scripts } else if ( nodeName === "script" && dest.text !== src.text ) { dest.text = src.text; }
// Event data gets referenced instead of copied if the expando // gets copied too dest.removeAttribute( jQuery.expando ); }
jQuery.buildFragment = function( args, context, scripts ) { var fragment, cacheable, cachehit, first = args[ 0 ];
// Set context from what may come in as undefined or a jQuery collection or a node context = context || document; context = (context[0] || context).ownerDocument || context[0] || context;
// Ensure that an attr object doesn't incorrectly stand in as a document object // Chrome and Firefox seem to allow this to occur and will throw exception // Fixes #8950 if ( typeof context.createDocumentFragment === "undefined" ) { context = document; }
// Only cache "small" (1/2 KB) HTML strings that are associated with the main document // Cloning options loses the selected state, so don't cache them // IE 6 doesn't like it when you put <object> or <embed> elements in a fragment // Also, WebKit does not clone 'checked' attributes on cloneNode, so don't cache // Lastly, IE6,7,8 will not correctly reuse cached fragments that were created from unknown elems #10501 if ( args.length === 1 && typeof first === "string" && first.length < 512 && context === document && first.charAt(0) === "<" && !rnocache.test( first ) && (jQuery.support.checkClone || !rchecked.test( first )) && (jQuery.support.html5Clone || !rnoshimcache.test( first )) ) {
// Mark cacheable and look for a hit cacheable = true; fragment = jQuery.fragments[ first ]; cachehit = fragment !== undefined; }
if ( !fragment ) { fragment = context.createDocumentFragment(); jQuery.clean( args, context, fragment, scripts );
// Update the cache, but only store false // unless this is a second parsing of the same content if ( cacheable ) { jQuery.fragments[ first ] = cachehit && fragment; } }
return { fragment: fragment, cacheable: cacheable }; };
jQuery.fragments = {};
jQuery.each({ appendTo: "append", prependTo: "prepend", insertBefore: "before", insertAfter: "after", replaceAll: "replaceWith" }, function( name, original ) { jQuery.fn[ name ] = function( selector ) { var elems, i = 0, ret = [], insert = jQuery( selector ), l = insert.length, parent = this.length === 1 && this[0].parentNode;
if ( (parent == null || parent && parent.nodeType === 11 && parent.childNodes.length === 1) && l === 1 ) { insert[ original ]( this[0] ); return this; } else { for ( ; i < l; i++ ) { elems = ( i > 0 ? this.clone(true) : this ).get(); jQuery( insert[i] )[ original ]( elems ); ret = ret.concat( elems ); }
return this.pushStack( ret, name, insert.selector ); } }; });
function getAll( elem ) { if ( typeof elem.getElementsByTagName !== "undefined" ) { return elem.getElementsByTagName( "*" );
} else if ( typeof elem.querySelectorAll !== "undefined" ) { return elem.querySelectorAll( "*" );
} else { return []; } }
// Used in clean, fixes the defaultChecked property function fixDefaultChecked( elem ) { if ( rcheckableType.test( elem.type ) ) { elem.defaultChecked = elem.checked; } }
jQuery.extend({ clone: function( elem, dataAndEvents, deepDataAndEvents ) { var srcElements, destElements, i, clone;
if ( jQuery.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 ( (!jQuery.support.noCloneEvent || !jQuery.support.noCloneChecked) && (elem.nodeType === 1 || elem.nodeType === 11) && !jQuery.isXMLDoc(elem) ) { // IE copies events bound via attachEvent when using cloneNode. // Calling detachEvent on the clone will also remove the events // from the original. In order to get around this, we use some // proprietary methods to clear the events. Thanks to MooTools // guys for this hotness.
cloneFixAttributes( elem, clone );
// Using Sizzle here is crazy slow, so we use getElementsByTagName instead srcElements = getAll( elem ); destElements = getAll( clone );
// Weird iteration because IE will replace the length property // with an element if you are cloning the body and one of the // elements on the page has a name or id of "length" for ( i = 0; srcElements[i]; ++i ) { // Ensure that the destination node is not null; Fixes #9587 if ( destElements[i] ) { cloneFixAttributes( srcElements[i], destElements[i] ); } } }
// Copy the events from the original to the clone if ( dataAndEvents ) { cloneCopyEvent( elem, clone );
if ( deepDataAndEvents ) { srcElements = getAll( elem ); destElements = getAll( clone );
for ( i = 0; srcElements[i]; ++i ) { cloneCopyEvent( srcElements[i], destElements[i] ); } } }
srcElements = destElements = null;
// Return the cloned set return clone; },
clean: function( elems, context, fragment, scripts ) { var j, safe, elem, tag, wrap, depth, div, hasBody, tbody, len, handleScript, jsTags, i = 0, ret = [];
// Ensure that context is a document if ( !context || typeof context.createDocumentFragment === "undefined" ) { context = document; }
// Use the already-created safe fragment if context permits for ( safe = context === document && safeFragment; (elem = elems[i]) != null; i++ ) { if ( typeof elem === "number" ) { elem += ""; }
if ( !elem ) { continue; }
// Convert html string into DOM nodes if ( typeof elem === "string" ) { if ( !rhtml.test( elem ) ) { elem = context.createTextNode( elem ); } else { // Ensure a safe container in which to render the html safe = safe || createSafeFragment( context ); div = div || safe.appendChild( context.createElement("div") );
// Fix "XHTML"-style tags in all browsers elem = elem.replace(rxhtmlTag, "<$1></$2>");
// Go to html and back, then peel off extra wrappers tag = ( rtagName.exec( elem ) || ["", ""] )[1].toLowerCase(); wrap = wrapMap[ tag ] || wrapMap._default; depth = wrap[0]; div.innerHTML = wrap[1] + elem + wrap[2];
// Move to the right depth while ( depth-- ) { div = div.lastChild; }
// Remove IE's autoinserted <tbody> from table fragments if ( !jQuery.support.tbody ) {
// String was a
