Team:NTHU Taiwan/javachihchen
/*!
* jQuery JavaScript Library v1.9.1 * http://jquery.com/ * * Includes Sizzle.js * http://sizzlejs.com/ * * Copyright 2005, 2012 jQuery Foundation, Inc. and other contributors * Released under the MIT license * http://jquery.org/license * * Date: 2013-2-4 */
(function( window, undefined ) {
// Can't do this because several apps including ASP.NET trace // the stack via arguments.caller.callee and Firefox dies if // you try to trace through "use strict" call chains. (#13335) // Support: Firefox 18+ //"use strict"; var // The deferred used on DOM ready readyList,
// A central reference to the root jQuery(document) rootjQuery,
// Support: IE<9 // For `typeof node.method` instead of `node.method !== undefined` core_strundefined = typeof undefined,
// Use the correct document accordingly with window argument (sandbox) document = window.document, location = window.location,
// Map over jQuery in case of overwrite _jQuery = window.jQuery,
// Map over the $ in case of overwrite _$ = window.$,
// Class -> type pairs class2type = {},
// List of deleted data cache ids, so we can reuse them core_deletedIds = [],
core_version = "1.9.1",
// Save a reference to some core methods core_concat = core_deletedIds.concat, core_push = core_deletedIds.push, core_slice = core_deletedIds.slice, core_indexOf = core_deletedIds.indexOf, core_toString = class2type.toString, core_hasOwn = class2type.hasOwnProperty, core_trim = core_version.trim,
// Define a local copy of jQuery jQuery = function( selector, context ) { // The jQuery object is actually just the init constructor 'enhanced' return new jQuery.fn.init( selector, context, rootjQuery ); },
// Used for matching numbers core_pnum = /[+-]?(?:\d*\.|)\d+(?:[eE][+-]?\d+|)/.source,
// Used for splitting on whitespace core_rnotwhite = /\S+/g,
// Make sure we trim BOM and NBSP (here's looking at you, Safari 5.0 and IE) rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,
// A simple way to check for HTML strings // Prioritize #id over <tag> to avoid XSS via location.hash (#9521) // Strict HTML recognition (#11290: must start with <) rquickExpr = /^(?:(<[\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+(?:[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 completed = function( event ) {
// readyState === "complete" is good enough for us to call the dom ready in oldIE if ( document.addEventListener || event.type === "load" || document.readyState === "complete" ) { detach(); jQuery.ready(); } }, // Clean-up method for dom ready events detach = function() { if ( document.addEventListener ) { document.removeEventListener( "DOMContentLoaded", completed, false ); window.removeEventListener( "load", completed, false );
} else { document.detachEvent( "onreadystatechange", completed ); window.detachEvent( "onload", completed ); } };
jQuery.fn = jQuery.prototype = { // The current version of jQuery being used jquery: core_version,
constructor: jQuery, init: function( selector, context, rootjQuery ) { var match, elem;
// HANDLE: $(""), $(null), $(undefined), $(false) if ( !selector ) { return this; }
// Handle HTML strings if ( typeof selector === "string" ) { if ( selector.charAt(0) === "<" && selector.charAt( selector.length - 1 ) === ">" && selector.length >= 3 ) { // Assume that strings that start and end with <> are HTML and skip the regex check match = [ null, selector, null ];
} else { match = rquickExpr.exec( selector ); }
// Match html or make sure no context is specified for #id if ( match && (match[1] || !context) ) {
// HANDLE: $(html) -> $(array) if ( match[1] ) { context = context instanceof jQuery ? context[0] : context;
// scripts is true for back-compat jQuery.merge( this, jQuery.parseHTML( match[1], context && context.nodeType ? context.ownerDocument || context : document, true ) );
// HANDLE: $(html, props) if ( rsingleTag.test( match[1] ) && jQuery.isPlainObject( context ) ) { for ( match in context ) { // Properties of context are called as methods if possible if ( jQuery.isFunction( this[ match ] ) ) { this[ match ]( context[ match ] );
// ...and otherwise set as attributes } else { this.attr( match, context[ match ] ); } } }
return this;
// HANDLE: $(#id) } else { elem = document.getElementById( match[2] );
// Check parentNode to catch when Blackberry 4.6 returns // nodes that are no longer in the document #6963 if ( elem && elem.parentNode ) { // Handle the case where IE and Opera return items // by name instead of ID if ( elem.id !== match[2] ) { return rootjQuery.find( selector ); }
// Otherwise, we inject the element directly into the jQuery object this.length = 1; this[0] = elem; }
this.context = document; this.selector = selector; return this; }
// HANDLE: $(expr, $(...)) } else if ( !context || context.jquery ) { return ( context || rootjQuery ).find( selector );
// HANDLE: $(expr, context) // (which is just equivalent to: $(context).find(expr) } else { return this.constructor( context ).find( selector ); }
// HANDLE: $(DOMElement) } else if ( selector.nodeType ) { this.context = this[0] = selector; this.length = 1; return this;
// HANDLE: $(function) // Shortcut for document ready } else if ( jQuery.isFunction( selector ) ) { return 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 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 ) {
// Build a new jQuery matched element set var ret = jQuery.merge( this.constructor(), elems );
// Add the old object onto the stack (as a reference) ret.prevObject = this; ret.context = this.context;
// Return the newly-formed element set return ret; },
// Execute a callback for every element in the matched set. // (You can seed the arguments with an array of args, but this is // only used internally.) each: function( callback, args ) { return jQuery.each( this, callback, args ); },
ready: function( fn ) { // Add the callback jQuery.ready.promise().done( fn );
return this; },
slice: function() { return this.pushStack( core_slice.apply( this, arguments ) ); },
first: function() { return this.eq( 0 ); },
last: function() { return this.eq( -1 ); },
eq: function( i ) { var len = this.length, j = +i + ( i < 0 ? len : 0 ); return this.pushStack( j >= 0 && j < len ? [ this[j] ] : [] ); },
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 src, copyIsArray, copy, name, options, clone, target = arguments[0] || {}, i = 1, length = arguments.length, deep = false;
// Handle a deep copy situation if ( typeof target === "boolean" ) { deep = target; 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 ); }
// 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 ) { if ( obj == null ) { return String( obj ); } return typeof obj === "object" || typeof obj === "function" ? class2type[ core_toString.call(obj) ] || "object" : typeof obj; },
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 // keepScripts (optional): If true, will include scripts passed in the html string parseHTML: function( data, context, keepScripts ) { if ( !data || typeof data !== "string" ) { return null; } if ( typeof context === "boolean" ) { keepScripts = context; context = false; } context = context || document;
var parsed = rsingleTag.exec( data ), scripts = !keepScripts && [];
// Single tag if ( parsed ) { return [ context.createElement( parsed[1] ) ]; }
parsed = jQuery.buildFragment( [ data ], context, scripts ); if ( scripts ) { jQuery( scripts ).remove(); } return jQuery.merge( [], parsed.childNodes ); },
parseJSON: function( data ) { // Attempt to parse using the native JSON parser first if ( window.JSON && window.JSON.parse ) { return window.JSON.parse( data ); }
if ( data === null ) { return data; }
if ( typeof data === "string" ) {
// Make sure leading/trailing whitespace is removed (IE can't handle it) data = jQuery.trim( data );
if ( 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 && jQuery.trim( data ) ) { // We use execScript on Internet Explorer // We use an anonymous function so that context is window // rather than jQuery in Firefox ( window.execScript || function( data ) { window[ "eval" ].call( window, data ); } )( data ); } },
// Convert dashed to camelCase; used by the css and data modules // Microsoft forgot to hump their vendor prefix (#9572) camelCase: function( string ) { return string.replace( rmsPrefix, "ms-" ).replace( rdashAlpha, fcamelCase ); },
nodeName: function( elem, name ) { return elem.nodeName && elem.nodeName.toLowerCase() === name.toLowerCase(); },
// args is for internal usage only each: function( obj, callback, args ) { var value, i = 0, length = obj.length, isArray = isArraylike( obj );
if ( args ) { if ( isArray ) { for ( ; i < length; i++ ) { value = callback.apply( obj[ i ], args );
if ( value === false ) { break; } } } else { for ( i in obj ) { value = callback.apply( obj[ i ], args );
if ( value === false ) { break; } } }
// A special, fast, case for the most common use of each } else { if ( isArray ) { for ( ; i < length; i++ ) { value = callback.call( obj[ i ], i, obj[ i ] );
if ( value === false ) { break; } } } else { for ( i in obj ) { value = callback.call( obj[ i ], i, obj[ i ] );
if ( value === false ) { break; } } } }
return obj; },
// Use native String.trim function wherever possible trim: core_trim && !core_trim.call("\uFEFF\xA0") ? function( text ) { return text == null ? "" : core_trim.call( text ); } :
// Otherwise use our own trimming functionality function( text ) { return text == null ? "" : ( text + "" ).replace( rtrim, "" ); },
// results is for internal usage only makeArray: function( arr, results ) { var ret = results || [];
if ( arr != null ) { if ( isArraylike( Object(arr) ) ) { jQuery.merge( ret, typeof arr === "string" ? [ arr ] : arr ); } else { core_push.call( 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, i = 0, length = elems.length, isArray = isArraylike( elems ), ret = [];
// 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 ( i in elems ) { value = callback( elems[ i ], i, arg );
if ( value != null ) { ret[ ret.length ] = value; } } }
// Flatten any nested arrays return core_concat.apply( [], ret ); },
// A global GUID counter for objects guid: 1,
// Bind a function to a context, optionally partially applying any // arguments. proxy: function( fn, context ) { var args, proxy, tmp;
if ( typeof context === "string" ) { tmp = fn[ context ]; context = fn; fn = tmp; }
// Quick check to determine if target is callable, in the spec // this throws a TypeError, but we will just return undefined. if ( !jQuery.isFunction( fn ) ) { return undefined; }
// Simulated bind args = core_slice.call( arguments, 2 ); proxy = function() { return fn.apply( context || this, 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 || 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, raw ) { var i = 0, length = elems.length, bulk = key == null;
// Sets many values if ( jQuery.type( key ) === "object" ) { chainable = true; for ( i in key ) { jQuery.access( elems, fn, i, key[i], true, emptyGet, raw ); }
// Sets one value } else if ( value !== undefined ) { chainable = true;
if ( !jQuery.isFunction( value ) ) { raw = true; }
if ( bulk ) { // Bulk operations run against the entire set if ( raw ) { fn.call( elems, value ); fn = null;
// ...except when executing function values } else { bulk = fn; fn = function( elem, key, value ) { return bulk.call( jQuery( elem ), value ); }; } }
if ( fn ) { for ( ; i < length; i++ ) { fn( elems[i], key, raw ? value : value.call( elems[i], i, fn( elems[i], key ) ) ); } } }
return chainable ? elems :
// Gets bulk ? fn.call( elems ) : length ? fn( elems[0], key ) : emptyGet; },
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. // we once tried to use readyState "interactive" here, but it caused issues like the one // discovered by ChrisS here: http://bugs.jquery.com/ticket/12282#comment:15 if ( document.readyState === "complete" ) { // Handle it asynchronously to allow scripts the opportunity to delay ready setTimeout( jQuery.ready );
// Standards-based browsers support DOMContentLoaded } else if ( document.addEventListener ) { // Use the handy event callback document.addEventListener( "DOMContentLoaded", completed, false );
// A fallback to window.onload, that will always work window.addEventListener( "load", completed, false );
// If IE event model is used } else { // Ensure firing before onload, maybe late but safe also for iframes document.attachEvent( "onreadystatechange", completed );
// A fallback to window.onload, that will always work window.attachEvent( "onload", completed );
// If IE and not a frame // continually check to see if the document is ready var top = false;
try { top = window.frameElement == null && document.documentElement; } catch(e) {}
if ( top && top.doScroll ) { (function doScrollCheck() { if ( !jQuery.isReady ) {
try { // Use the trick by Diego Perini // http://javascript.nwbox.com/IEContentLoaded/ top.doScroll("left"); } catch(e) { return setTimeout( doScrollCheck, 50 ); }
// detach all dom ready events detach();
// and execute any waiting functions jQuery.ready(); } })(); } } } return readyList.promise( obj ); };
// Populate the class2type map jQuery.each("Boolean Number String Function Array Date RegExp Object Error".split(" "), function(i, name) { class2type[ "[object " + name + "]" ] = name.toLowerCase(); });
function isArraylike( obj ) { var length = obj.length, type = jQuery.type( obj );
if ( jQuery.isWindow( obj ) ) { return false; }
if ( obj.nodeType === 1 && length ) { return true; }
return type === "array" || type !== "function" && ( length === 0 || typeof length === "number" && length > 0 && ( length - 1 ) in obj ); }
// 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.match( core_rnotwhite ) || [], function( _, flag ) { object[ flag ] = true; }); return object; }
/*
* Create a callback list using the following parameters: * * options: an optional list of space-separated options that will change how * the callback list behaves or a more traditional option object * * By default a callback list will act like an event callback list and can be * "fired" multiple times. * * Possible options: * * once: will ensure the callback list can only be fired once (like a Deferred) * * memory: will keep track of previous values and will call any callback added * after the list has been fired right away with the latest "memorized" * values (like a Deferred) * * unique: will ensure a callback can only be added once (no duplicate in the list) * * stopOnFalse: interrupt callings when a callback returns false * */
jQuery.Callbacks = function( options ) {
// Convert options from String-formatted to Object-formatted if needed // (we check in cache first) options = typeof options === "string" ? ( optionsCache[ options ] || createOptions( options ) ) : jQuery.extend( {}, options );
var // Flag to know if list is currently firing firing, // Last fire value (for non-forgettable lists) memory, // Flag to know if list was already fired fired, // End of the loop when firing firingLength, // Index of currently firing callback (modified by remove if needed) firingIndex, // First callback to fire (used internally by add and fireWith) firingStart, // Actual callback list list = [], // Stack of fire calls for repeatable lists stack = !options.once && [], // Fire callbacks fire = function( data ) { memory = options.memory && data; fired = true; firingIndex = firingStart || 0; firingStart = 0; firingLength = list.length; firing = true; for ( ; list && firingIndex < firingLength; firingIndex++ ) { if ( list[ firingIndex ].apply( data[ 0 ], data[ 1 ] ) === false && options.stopOnFalse ) { memory = false; // To prevent further calls using add break; } } firing = false; if ( list ) { if ( stack ) { if ( stack.length ) { fire( stack.shift() ); } } else if ( memory ) { list = []; } else { self.disable(); } } }, // Actual Callbacks object self = { // Add a callback or a collection of callbacks to the list add: function() { if ( list ) { // First, we save the current length var start = list.length; (function add( args ) { jQuery.each( args, function( _, arg ) { var type = jQuery.type( arg ); if ( type === "function" ) { if ( !options.unique || !self.has( arg ) ) { list.push( arg ); } } else if ( arg && arg.length && type !== "string" ) { // Inspect recursively add( arg ); } }); })( arguments ); // Do we need to add the callbacks to the // current firing batch? if ( firing ) { firingLength = list.length; // With memory, if we're not firing then // we should call right away } else if ( memory ) { firingStart = start; fire( memory ); } } return this; }, // Remove a callback from the list remove: function() { if ( list ) { jQuery.each( arguments, function( _, arg ) { var index; while( ( index = jQuery.inArray( arg, list, index ) ) > -1 ) { list.splice( index, 1 ); // Handle firing indexes if ( firing ) { if ( index <= firingLength ) { firingLength--; } if ( index <= firingIndex ) { firingIndex--; } } } }); } return this; }, // Check if a given callback is in the list. // If no argument is given, return whether or not list has callbacks attached. has: function( fn ) { return fn ? jQuery.inArray( fn, list ) > -1 : !!( list && list.length ); }, // Remove all callbacks from the list empty: function() { list = []; 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 = jQuery.isFunction( fns[ i ] ) && fns[ i ]; // deferred[ done | fail | progress ] for forwarding actions to newDefer deferred[ tuple[1] ](function() { var returned = fn && fn.apply( this, arguments ); if ( returned && jQuery.isFunction( returned.promise ) ) { returned.promise() .done( newDefer.resolve ) .fail( newDefer.reject ) .progress( newDefer.notify ); } else { newDefer[ action + "With" ]( this === promise ? newDefer.promise() : this, fn ? [ returned ] : arguments ); } }); }); fns = null; }).promise(); }, // Get a promise for this deferred // If obj is provided, the promise aspect is added to the object promise: function( obj ) { return obj != null ? jQuery.extend( obj, promise ) : promise; } }, deferred = {};
// Keep pipe for back-compat promise.pipe = promise.then;
// Add list-specific methods jQuery.each( tuples, function( i, tuple ) { var list = tuple[ 2 ], stateString = tuple[ 3 ];
// promise[ done | fail | progress ] = list.add promise[ tuple[1] ] = list.add;
// Handle state if ( stateString ) { list.add(function() { // state = [ resolved | rejected ] state = stateString;
// [ reject_list | resolve_list ].disable; progress_list.lock }, tuples[ i ^ 1 ][ 2 ].disable, tuples[ 2 ][ 2 ].lock ); }
// deferred[ resolve | reject | notify ] deferred[ tuple[0] ] = function() { deferred[ tuple[0] + "With" ]( this === deferred ? promise : this, arguments ); return this; }; deferred[ tuple[0] + "With" ] = list.fireWith; });
// Make the deferred a promise promise.promise( deferred );
// Call given func if any if ( func ) { func.call( deferred, deferred ); }
// All done! return deferred; },
// Deferred helper when: function( subordinate /* , ..., subordinateN */ ) { var i = 0, resolveValues = 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, input, select, fragment, opt, eventName, isSupported, i, div = document.createElement("div");
// Setup div.setAttribute( "className", "t" );
div.innerHTML = " <link/>// Support tests won't run in some limited or non-browser environments all = div.getElementsByTagName("*"); a = div.getElementsByTagName("a")[ 0 ]; if ( !all || !a || !all.length ) { return {}; }
// First batch of tests select = document.createElement("select"); opt = select.appendChild( document.createElement("option") ); input = div.getElementsByTagName("input")[ 0 ];
a.style.cssText = "top:1px;float:left;opacity:.5"; support = { // Test setAttribute on camelCase class. If it works, we need attrFixes when doing get/setAttribute (ie6/7) getSetAttribute: div.className !== "t",
// 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,
// Check the default checkbox/radio value ("" on WebKit; "on" elsewhere) checkOn: !!input.value,
// Make sure that a selected-by-default option has a working selected property. // (WebKit defaults to false instead of true, IE too, if it's in an optgroup) optSelected: opt.selected,
// 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 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;
// Support: IE<9 try { delete div.test; } catch( e ) { support.deleteExpando = false; }
// Check if we can trust getAttribute("value") input = document.createElement("input"); input.setAttribute( "value", "" ); support.input = input.getAttribute( "value" ) === "";
// Check if an input maintains its value after becoming a radio input.value = "t"; input.setAttribute( "type", "radio" ); support.radioValue = input.value === "t";
// #11217 - WebKit loses check when the name is after the checked attribute input.setAttribute( "checked", "t" ); input.setAttribute( "name", "t" );
fragment = document.createDocumentFragment(); fragment.appendChild( input );
// Check if a disconnected checkbox will retain its checked // value of true after appended to the DOM (IE6/7) support.appendChecked = input.checked;
// WebKit doesn't clone checked state correctly in fragments support.checkClone = fragment.cloneNode( true ).cloneNode( true ).lastChild.checked;
// Support: IE<9 // Opera does not clone events (and typeof div.attachEvent === undefined). // IE9-10 clones events bound via attachEvent, but they don't trigger with .click() if ( div.attachEvent ) { div.attachEvent( "onclick", function() { support.noCloneEvent = false; });
div.cloneNode( true ).click(); }
// Support: IE<9 (lack submit/change bubble), Firefox 17+ (lack focusin event) // Beware of CSP restrictions (https://developer.mozilla.org/en/Security/CSP), test/csp.php for ( i in { submit: true, change: true, focusin: true }) { div.setAttribute( eventName = "on" + i, "t" );
support[ i + "Bubbles" ] = eventName in window || div.attributes[ eventName ].expando === false; }
div.style.backgroundClip = "content-box"; div.cloneNode( true ).style.backgroundClip = ""; support.clearCloneStyle = div.style.backgroundClip === "content-box";
// Run tests that need a body at doc ready jQuery(function() { var container, marginDiv, tds, divReset = "padding:0;margin:0;border:0;display:block;box-sizing:content-box;-moz-box-sizing:content-box;-webkit-box-sizing:content-box;", 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 = "border:0;width:0;height:0;position:absolute;top:0;left:-9999px;margin-top:1px";
body.appendChild( container ).appendChild( div );
// Support: IE8 // Check if table cells still have offsetWidth/Height when they are set // to display:none and there are still other visible table cells in a // table row; if so, offsetWidth/Height are not reliable for use when // determining if an element has been hidden directly using // display:none (it is still safe to use offsets if a parent element is // hidden; don safety goggles and see bug #4512 for more information).
div.innerHTML = "| t |
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";
// Support: IE8 // Check if empty table cells still have offsetWidth/Height 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 );
// Use window.getComputedStyle because jsdom on node.js will break without it. 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. (#3333) // Fails in WebKit before Feb 2011 nightlies // WebKit Bug 13343 - getComputedStyle returns wrong value for margin-right marginDiv = div.appendChild( document.createElement("div") ); marginDiv.style.cssText = div.style.cssText = divReset; marginDiv.style.marginRight = marginDiv.style.width = "0"; div.style.width = "1px";
support.reliableMarginRight = !parseFloat( ( window.getComputedStyle( marginDiv, null ) || {} ).marginRight ); }
if ( typeof div.style.zoom !== core_strundefined ) { // Support: IE<8 // Check if natively block-level elements act like inline-block // elements when setting their display to 'inline' and giving // them layout div.innerHTML = ""; div.style.cssText = divReset + "width:1px;padding:1px;display:inline;zoom:1"; support.inlineBlockNeedsLayout = ( div.offsetWidth === 3 );
// Support: IE6 // Check if elements with layout shrink-wrap their children div.style.display = "block";
div.innerHTML = "";div.firstChild.style.width = "5px"; support.shrinkWrapBlocks = ( div.offsetWidth !== 3 );
if ( support.inlineBlockNeedsLayout ) { // Prevent IE 6 from affecting layout for positioned elements #11048 // Prevent IE from shrinking the body in IE 7 mode #12869 // Support: IE<8 body.style.zoom = 1; } }
body.removeChild( container );
// Null elements to avoid leaks in IE container = div = tds = marginDiv = null; });
// Null elements to avoid leaks in IE all = select = fragment = opt = a = input = null;
return support; })();
var rbrace = /(?:\{[\s\S]*\}|\[[\s\S]*\])$/, rmultiDash = /([A-Z])/g;
function internalData( 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 = core_deletedIds.pop() || jQuery.guid++; } 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; }
function internalRemoveData( elem, name, pvt ) { if ( !jQuery.acceptData( elem ) ) { return; }
var i, l, thisCache, isNode = elem.nodeType,
// See jQuery.data for more information cache = isNode ? jQuery.cache : elem, id = isNode ? elem[ jQuery.expando ] : jQuery.expando;
// If there is already no cache entry for this object, there is no // purpose in continuing if ( !cache[ id ] ) { return; }
if ( name ) {
thisCache = pvt ? cache[ id ] : cache[ id ].data;
if ( thisCache ) {
// Support array or space separated string names for data keys if ( !jQuery.isArray( name ) ) {
// try the string as a key before any manipulation if ( name in thisCache ) { name = [ name ]; } else {
// split the camel cased version by spaces unless a key with the spaces exists name = jQuery.camelCase( name ); if ( name in thisCache ) { name = [ name ]; } else { name = name.split(" "); } } } else { // If "name" is an array of keys... // When data is initially created, via ("key", "val") signature, // keys will be converted to camelCase. // Since there is no way to tell _how_ a key was added, remove // both plain key and camelCase key. #12786 // This will only penalize the array argument path. name = name.concat( jQuery.map( name, jQuery.camelCase ) ); }
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; } }
jQuery.extend({ cache: {},
// Unique for each copy of jQuery on the page // Non-digits removed to match rinlinejQuery expando: "jQuery" + ( core_version + 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 ) { return internalData( elem, name, data ); },
removeData: function( elem, name ) { return internalRemoveData( elem, name ); },
// For internal use only. _data: function( elem, name, data ) { return internalData( elem, name, data, true ); },
_removeData: function( elem, name ) { return internalRemoveData( elem, name, true ); },
// A method for determining if a DOM node can handle the data expando acceptData: function( elem ) { // Do not set data on non-element because it will not be cleared (#8335). if ( elem.nodeType && elem.nodeType !== 1 && elem.nodeType !== 9 ) { return false; }
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 attrs, name, 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" ) ) { attrs = elem.attributes; for ( ; i < attrs.length; i++ ) { name = attrs[i].name;
if ( !name.indexOf( "data-" ) ) { name = jQuery.camelCase( name.slice(5) );
dataAttr( elem, name, data[ name ] ); } } jQuery._data( elem, "parsedAttrs", true ); } }
return data; }
// Sets multiple values if ( typeof key === "object" ) { return this.each(function() { jQuery.data( this, key ); }); }
return jQuery.access( this, function( value ) {
if ( value === undefined ) { // Try to fetch any internally stored data first return elem ? dataAttr( elem, key, jQuery.data( elem, key ) ) : null; }
this.each(function() { jQuery.data( this, key, value ); }); }, null, value, arguments.length > 1, null, true ); },
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 ), startLength = queue.length, fn = queue.shift(), hooks = jQuery._queueHooks( elem, type ), next = function() { jQuery.dequeue( elem, type ); };
// If the fx queue is dequeued, always remove the progress sentinel if ( fn === "inprogress" ) { fn = queue.shift(); startLength--; }
hooks.cur = fn; if ( fn ) {
// Add a progress sentinel to prevent the fx queue from being // automatically dequeued if ( type === "fx" ) { queue.unshift( "inprogress" ); }
// clear up the last queue stop function delete hooks.stop; fn.call( elem, next, hooks ); }
if ( !startLength && hooks ) { hooks.empty.fire(); } },
// not intended for public consumption - generates a queueHooks object, or returns the current one _queueHooks: function( elem, type ) { var key = type + "queueHooks"; return jQuery._data( elem, key ) || jQuery._data( elem, key, { empty: jQuery.Callbacks("once memory").add(function() { jQuery._removeData( elem, type + "queue" ); jQuery._removeData( elem, key ); }) }); } });
jQuery.fn.extend({ queue: function( type, data ) { var setter = 2;
if ( typeof type !== "string" ) { data = type; type = "fx"; setter--; }
if ( arguments.length < setter ) { return jQuery.queue( this[0], type ); }
return data === undefined ? this : this.each(function() { var queue = jQuery.queue( this, type, data );
// ensure a hooks for this queue jQuery._queueHooks( this, type );
if ( type === "fx" && queue[0] !== "inprogress" ) { jQuery.dequeue( this, type ); } }); }, dequeue: function( type ) { return this.each(function() { jQuery.dequeue( this, type ); }); }, // 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-- ) { tmp = jQuery._data( elements[ i ], type + "queueHooks" ); if ( tmp && tmp.empty ) { count++; tmp.empty.add( resolve ); } } resolve(); return defer.promise( obj ); } }); var nodeHook, boolHook, rclass = /[\t\r\n]/g, rreturn = /\r/g, rfocusable = /^(?:input|select|textarea|button|object)$/i, rclickable = /^(?:a|area)$/i, rboolean = /^(?:checked|selected|autofocus|autoplay|async|controls|defer|disabled|hidden|loop|multiple|open|readonly|required|scoped)$/i, ruseDefault = /^(?:checked|selected)$/i, getSetAttribute = jQuery.support.getSetAttribute, getSetInput = jQuery.support.input;
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 classes, elem, cur, clazz, j, i = 0, len = this.length, proceed = typeof value === "string" && value;
if ( jQuery.isFunction( value ) ) { return this.each(function( j ) { jQuery( this ).addClass( value.call( this, j, this.className ) ); }); }
if ( proceed ) { // The disjunction here is for better compressibility (see removeClass) classes = ( value || "" ).match( core_rnotwhite ) || [];
for ( ; i < len; i++ ) { elem = this[ i ]; cur = elem.nodeType === 1 && ( elem.className ? ( " " + elem.className + " " ).replace( rclass, " " ) : " " );
if ( cur ) { j = 0; while ( (clazz = classes[j++]) ) { if ( cur.indexOf( " " + clazz + " " ) < 0 ) { cur += clazz + " "; } } elem.className = jQuery.trim( cur );
} } }
return this; },
removeClass: function( value ) { var classes, elem, cur, clazz, j, i = 0, len = this.length, proceed = arguments.length === 0 || typeof value === "string" && value;
if ( jQuery.isFunction( value ) ) { return this.each(function( j ) { jQuery( this ).removeClass( value.call( this, j, this.className ) ); }); } if ( proceed ) { classes = ( value || "" ).match( core_rnotwhite ) || [];
for ( ; i < len; i++ ) { elem = this[ i ]; // This expression is here for better compressibility (see addClass) cur = elem.nodeType === 1 && ( elem.className ? ( " " + elem.className + " " ).replace( rclass, " " ) : "" );
if ( cur ) { j = 0; while ( (clazz = classes[j++]) ) { // Remove *all* instances while ( cur.indexOf( " " + clazz + " " ) >= 0 ) { cur = cur.replace( " " + clazz + " ", " " ); } } elem.className = value ? jQuery.trim( cur ) : ""; } } }
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.match( core_rnotwhite ) || [];
while ( (className = classNames[ i++ ]) ) { // check each className given, space separated list state = isBool ? state : !self.hasClass( className ); self[ state ? "addClass" : "removeClass" ]( className ); }
// Toggle whole class name } else if ( type === core_strundefined || type === "boolean" ) { if ( this.className ) { // store className if set jQuery._data( this, "__className__", this.className ); }
// If the element has a class name or if we're passed "false", // then remove the whole classname (if there was one, the above saved it). // Otherwise bring back whatever was previously saved (if anything), // falling back to the empty string if nothing was stored. this.className = this.className || value === false ? "" : jQuery._data( this, "__className__" ) || ""; } }); },
hasClass: function( selector ) { var className = " " + selector + " ", i = 0, l = this.length; for ( ; i < l; i++ ) { if ( this[i].nodeType === 1 && (" " + this[i].className + " ").replace(rclass, " ").indexOf( className ) >= 0 ) { return true; } }
return false; },
val: function( value ) { var ret, hooks, 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, option, options = elem.options, index = elem.selectedIndex, one = elem.type === "select-one" || index < 0, values = one ? null : [], max = one ? index + 1 : options.length, i = index < 0 ? max : one ? index : 0;
// Loop through all the selected options for ( ; i < max; i++ ) { option = options[ i ];
// oldIE doesn't update selected after form reset (#2551) if ( ( option.selected || i === index ) && // Don't return options that are disabled or in a disabled optgroup ( 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 ); } }
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; } } },
attr: function( elem, name, value ) { var hooks, notxml, ret, nType = elem.nodeType;
// don't get/set attributes on text, comment and attribute nodes if ( !elem || nType === 3 || nType === 8 || nType === 2 ) { return; }
// Fallback to prop when attributes are not supported if ( typeof elem.getAttribute === core_strundefined ) { 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 );
} else if ( hooks && notxml && "set" in hooks && (ret = hooks.set( elem, value, name )) !== undefined ) { return ret;
} else { elem.setAttribute( name, value + "" ); return value; }
} else if ( hooks && notxml && "get" in hooks && (ret = hooks.get( elem, name )) !== null ) { return ret;
} else {
// In IE9+, Flash objects don't have .getAttribute (#12945) // Support: IE9+ if ( typeof elem.getAttribute !== core_strundefined ) { ret = elem.getAttribute( name ); }
// Non-existent attributes return null, we normalize to undefined return ret == null ? undefined : ret; } },
removeAttr: function( elem, value ) { var name, propName, i = 0, attrNames = value && value.match( core_rnotwhite );
if ( attrNames && elem.nodeType === 1 ) { while ( (name = attrNames[i++]) ) { propName = jQuery.propFix[ name ] || name;
// Boolean attributes get special treatment (#10870) if ( rboolean.test( name ) ) { // Set corresponding property to false for boolean attributes // Also clear defaultChecked/defaultSelected (if appropriate) for IE<8 if ( !getSetAttribute && ruseDefault.test( name ) ) { elem[ jQuery.camelCase( "default-" + name ) ] = elem[ propName ] = false; } else { elem[ propName ] = false; }
// See #9699 for explanation of this approach (setting first, then removal) } else { jQuery.attr( elem, name, "" ); }
elem.removeAttribute( getSetAttribute ? name : propName ); } } },
attrHooks: { type: { set: function( elem, value ) { if ( !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 default in case type is set after value during creation var val = elem.value; elem.setAttribute( "type", value ); if ( val ) { elem.value = val; } return value; } } } },
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 ) { var // Use .prop to determine if this attribute is understood as boolean prop = jQuery.prop( elem, name ),
// Fetch it accordingly attr = typeof prop === "boolean" && elem.getAttribute( name ), detail = typeof prop === "boolean" ?
getSetInput && getSetAttribute ? attr != null : // oldIE fabricates an empty string for missing boolean attributes // and conflates checked/selected into attroperties ruseDefault.test( name ) ? elem[ jQuery.camelCase( "default-" + name ) ] : !!attr :
// fetch an attribute node for properties not recognized as boolean elem.getAttributeNode( name );
return detail && detail.value !== false ? name.toLowerCase() : undefined; }, set: function( elem, value, name ) { if ( value === false ) { // Remove boolean attributes when set to false jQuery.removeAttr( elem, name ); } else if ( getSetInput && getSetAttribute || !ruseDefault.test( name ) ) { // IE<8 needs the *property* name elem.setAttribute( !getSetAttribute && jQuery.propFix[ name ] || name, name );
// Use defaultChecked and defaultSelected for oldIE } else { elem[ jQuery.camelCase( "default-" + name ) ] = elem[ name ] = true; }
return name; } };
// fix oldIE value attroperty if ( !getSetInput || !getSetAttribute ) { jQuery.attrHooks.value = { get: function( elem, name ) { var ret = elem.getAttributeNode( name ); return jQuery.nodeName( elem, "input" ) ?
// Ignore the value *property* by using defaultValue elem.defaultValue :
ret && ret.specified ? ret.value : undefined; }, set: function( elem, value, name ) { if ( jQuery.nodeName( elem, "input" ) ) { // Does not return so that setAttribute is also used elem.defaultValue = value; } else { // Use nodeHook if defined (#1954); otherwise setAttribute is fine return nodeHook && nodeHook.set( elem, value, name ); } } }; }
// IE6/7 do not support getting/setting some attributes with get/setAttribute if ( !getSetAttribute ) {
// Use this for any attribute in IE6/7 // This fixes almost every IE6/7 issue nodeHook = jQuery.valHooks.button = { get: function( elem, name ) { var ret = elem.getAttributeNode( name ); return ret && ( name === "id" || name === "name" || name === "coords" ? 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 ) { elem.setAttributeNode( (ret = elem.ownerDocument.createAttribute( name )) ); }
ret.value = value += "";
// Break association with cloned elements by also using setAttribute (#9646) return name === "value" || value === elem.getAttribute( name ) ? value : undefined; } };
// 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 ) { nodeHook.set( elem, value === "" ? false : value, name ); } };
// Set width and height to auto instead of 0 on empty string( Bug #8150 ) // This is for removals jQuery.each([ "width", "height" ], function( i, name ) { jQuery.attrHooks[ name ] = jQuery.extend( jQuery.attrHooks[ name ], { set: function( elem, value ) { if ( value === "" ) { elem.setAttribute( name, "auto" ); return value; } } }); }); }
// Some attributes require a special call on IE
// http://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx
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;
}
});
});
// href/src property should get the full normalized URL (#10299/#12915) jQuery.each([ "href", "src" ], function( i, name ) { jQuery.propHooks[ name ] = { get: function( elem ) { return elem.getAttribute( name, 4 ); } }; }); }
if ( !jQuery.support.style ) { jQuery.attrHooks.style = { get: function( elem ) { // Return undefined in the case of empty string // Note: IE uppercases css property names, but if we were to .toLowerCase() // .cssText, that would destroy case senstitivity in URL's, like in "background" return elem.style.cssText || undefined; }, set: function( elem, value ) { return ( elem.style.cssText = value + "" ); } }; }
// 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 = /^(?:input|select|textarea)$/i, rkeyEvent = /^key/, rmouseEvent = /^(?:mouse|contextmenu)|click/, rfocusMorph = /^(?:focusinfocus|focusoutblur)$/, rtypenamespace = /^([^.]*)(?:\.(.+)|)$/;
function returnTrue() { return true; }
function returnFalse() { return false; }
/*
* Helper functions for managing events -- not part of the public interface. * Props to Dean Edwards' addEvent library for many of the ideas. */
jQuery.event = {
global: {},
add: function( elem, types, handler, data, selector ) { var tmp, events, t, handleObjIn, special, eventHandle, handleObj, handlers, type, namespaces, origType, elemData = jQuery._data( elem );
// Don't attach events to noData or text/comment nodes (but allow plain objects) if ( !elemData ) { return; }
// Caller can pass in an object of custom data in lieu of the handler if ( handler.handler ) { handleObjIn = handler; handler = handleObjIn.handler; selector = handleObjIn.selector; }
// Make sure that the handler has a unique ID, used to find/remove it later if ( !handler.guid ) { handler.guid = jQuery.guid++; }
// Init the element's event structure and main handler, if this is the first if ( !(events = elemData.events) ) { events = elemData.events = {}; } if ( !(eventHandle = elemData.handle) ) { eventHandle = elemData.handle = function( e ) { // Discard the second event of a jQuery.event.trigger() and // when an event is called after a page has unloaded return typeof jQuery !== core_strundefined && (!e || jQuery.event.triggered !== e.type) ? jQuery.event.dispatch.apply( eventHandle.elem, arguments ) : undefined; }; // Add elem as a property of the handle fn to prevent a memory leak with IE non-native events eventHandle.elem = elem; }
// Handle multiple events separated by a space // jQuery(...).bind("mouseover mouseout", fn); types = ( types || "" ).match( core_rnotwhite ) || [""]; t = types.length; while ( t-- ) { tmp = rtypenamespace.exec( types[t] ) || []; type = origType = tmp[1]; namespaces = ( tmp[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: origType, data: data, handler: handler, guid: handler.guid, selector: selector, needsContext: selector && jQuery.expr.match.needsContext.test( selector ), namespace: namespaces.join(".") }, handleObjIn );
// Init the event handler queue if we're the first if ( !(handlers = events[ type ]) ) { handlers = events[ type ] = []; handlers.delegateCount = 0;
// Only use addEventListener/attachEvent if the special events handler returns false if ( !special.setup || special.setup.call( elem, data, namespaces, eventHandle ) === false ) { // Bind the global event handler to the element if ( elem.addEventListener ) { elem.addEventListener( type, eventHandle, false );
} else if ( elem.attachEvent ) { elem.attachEvent( "on" + type, eventHandle ); } } }
if ( special.add ) { special.add.call( elem, handleObj );
if ( !handleObj.handler.guid ) { handleObj.handler.guid = handler.guid; } }
// Add to the element's handler list, delegates in front if ( selector ) { handlers.splice( handlers.delegateCount++, 0, handleObj ); } else { handlers.push( handleObj ); }
// Keep track of which events have ever been used, for event optimization jQuery.event.global[ type ] = true; }
// Nullify elem to prevent memory leaks in IE elem = null; },
// Detach an event or set of events from an element remove: function( elem, types, handler, selector, mappedTypes ) { var j, handleObj, tmp, origCount, t, events, special, handlers, type, namespaces, origType, elemData = jQuery.hasData( elem ) && jQuery._data( elem );
if ( !elemData || !(events = elemData.events) ) { return; }
// Once for each type.namespace in types; type may be omitted types = ( types || "" ).match( core_rnotwhite ) || [""]; t = types.length; while ( t-- ) { tmp = rtypenamespace.exec( types[t] ) || []; type = origType = tmp[1]; namespaces = ( tmp[2] || "" ).split( "." ).sort();
// Unbind all events (on this namespace, if provided) for the element if ( !type ) { for ( type in events ) { jQuery.event.remove( elem, type + types[ t ], handler, selector, true ); } continue; }
special = jQuery.event.special[ type ] || {}; type = ( selector ? special.delegateType : special.bindType ) || type; handlers = events[ type ] || []; tmp = tmp[2] && new RegExp( "(^|\\.)" + namespaces.join("\\.(?:.*\\.|)") + "(\\.|$)" );
// Remove matching events origCount = j = handlers.length; while ( j-- ) { handleObj = handlers[ j ];
if ( ( mappedTypes || origType === handleObj.origType ) && ( !handler || handler.guid === handleObj.guid ) && ( !tmp || tmp.test( handleObj.namespace ) ) && ( !selector || selector === handleObj.selector || selector === "**" && handleObj.selector ) ) { handlers.splice( j, 1 );
if ( handleObj.selector ) { handlers.delegateCount--; } if ( special.remove ) { special.remove.call( elem, handleObj ); } } }
// Remove generic event handler if we removed something and no more handlers exist // (avoids potential for endless recursion during removal of special event handlers) if ( origCount && !handlers.length ) { if ( !special.teardown || special.teardown.call( elem, namespaces, elemData.handle ) === false ) { jQuery.removeEvent( elem, type, elemData.handle ); }
delete events[ type ]; } }
// Remove the expando if it's no longer used if ( jQuery.isEmptyObject( events ) ) { delete elemData.handle;
// removeData also checks for emptiness and clears the expando if empty // so use it instead of delete jQuery._removeData( elem, "events" ); } },
trigger: function( event, data, elem, onlyHandlers ) { var handle, ontype, cur, bubbleType, special, tmp, i, eventPath = [ elem || document ], type = core_hasOwn.call( event, "type" ) ? event.type : event, namespaces = core_hasOwn.call( event, "namespace" ) ? event.namespace.split(".") : [];
cur = tmp = elem = elem || document;
// Don't do events on text and comment nodes if ( elem.nodeType === 3 || elem.nodeType === 8 ) { return; }
// focus/blur morphs to focusin/out; ensure we're not firing them right now if ( rfocusMorph.test( type + jQuery.event.triggered ) ) { return; }
if ( type.indexOf(".") >= 0 ) { // Namespaced trigger; create a regexp to match event type in handle() namespaces = type.split("."); type = namespaces.shift(); namespaces.sort(); } ontype = type.indexOf(":") < 0 && "on" + type;
// Caller can pass in a jQuery.Event object, Object, or just an event type string event = event[ jQuery.expando ] ? event : new jQuery.Event( type, typeof event === "object" && event );
event.isTrigger = true; event.namespace = namespaces.join("."); event.namespace_re = event.namespace ? new RegExp( "(^|\\.)" + namespaces.join("\\.(?:.*\\.|)") + "(\\.|$)" ) : null;
// Clean up the event in case it is being reused event.result = undefined; if ( !event.target ) { event.target = elem; }
// Clone any incoming data and prepend the event, creating the handler arg list data = data == null ? [ event ] : jQuery.makeArray( data, [ event ] );
// Allow special events to draw outside the lines special = jQuery.event.special[ type ] || {}; if ( !onlyHandlers && special.trigger && special.trigger.apply( elem, data ) === false ) { return; }
// Determine event propagation path in advance, per W3C events spec (#9951) // Bubble up to document, then to window; watch for a global ownerDocument var (#9724) if ( !onlyHandlers && !special.noBubble && !jQuery.isWindow( elem ) ) {
bubbleType = special.delegateType || type; if ( !rfocusMorph.test( bubbleType + type ) ) { cur = cur.parentNode; } for ( ; cur; cur = cur.parentNode ) { eventPath.push( cur ); tmp = cur; }
// Only add window if we got to document (e.g., not plain obj or detached DOM) if ( tmp === (elem.ownerDocument || document) ) { eventPath.push( tmp.defaultView || tmp.parentWindow || window ); } }
// Fire handlers on the event path i = 0; while ( (cur = eventPath[i++]) && !event.isPropagationStopped() ) {
event.type = i > 1 ? bubbleType : special.bindType || type;
// jQuery handler handle = ( jQuery._data( cur, "events" ) || {} )[ event.type ] && jQuery._data( cur, "handle" ); if ( handle ) { handle.apply( cur, data ); }
// Native handler handle = ontype && cur[ ontype ]; if ( handle && jQuery.acceptData( cur ) && handle.apply && 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) if ( ontype && elem[ type ] && !jQuery.isWindow( elem ) ) {
// Don't re-trigger an onFOO event when we call its FOO() method tmp = elem[ ontype ];
if ( tmp ) { elem[ ontype ] = null; }
// Prevent re-triggering of the same event, since we already bubbled it above jQuery.event.triggered = type; try { elem[ type ](); } catch ( e ) { // IE<9 dies on focus/blur to hidden element (#1486,#12518) // only reproducible on winXP IE8 native, not IE9 in IE8 mode } jQuery.event.triggered = undefined;
if ( tmp ) { elem[ ontype ] = tmp; } } } }
return event.result; },
dispatch: function( event ) {
// Make a writable jQuery.Event from the native event object event = jQuery.event.fix( event );
var i, ret, handleObj, matched, j, handlerQueue = [], args = core_slice.call( arguments ), handlers = ( jQuery._data( this, "events" ) || {} )[ event.type ] || [], special = jQuery.event.special[ event.type ] || {};
// Use the fix-ed jQuery.Event rather than the (read-only) native event args[0] = event; event.delegateTarget = this;
// Call the preDispatch hook for the mapped type, and let it bail if desired if ( special.preDispatch && special.preDispatch.call( this, event ) === false ) { return; }
// Determine handlers handlerQueue = jQuery.event.handlers.call( this, event, handlers );
// Run delegates first; they may want to stop propagation beneath us i = 0; while ( (matched = handlerQueue[ i++ ]) && !event.isPropagationStopped() ) { event.currentTarget = matched.elem;
j = 0; while ( (handleObj = matched.handlers[ j++ ]) && !event.isImmediatePropagationStopped() ) {
// Triggered event must either 1) have no namespace, or // 2) have namespace(s) a subset or equal to those in the bound event (both can have no namespace). if ( !event.namespace_re || event.namespace_re.test( handleObj.namespace ) ) {
event.handleObj = handleObj; event.data = handleObj.data;
ret = ( (jQuery.event.special[ handleObj.origType ] || {}).handle || handleObj.handler ) .apply( matched.elem, args );
if ( ret !== undefined ) { if ( (event.result = ret) === false ) { event.preventDefault(); event.stopPropagation(); } } } } }
// Call the postDispatch hook for the mapped type if ( special.postDispatch ) { special.postDispatch.call( this, event ); }
return event.result; },
handlers: function( event, handlers ) { var sel, handleObj, matches, i, handlerQueue = [], delegateCount = handlers.delegateCount, cur = event.target;
// Find delegate handlers // Black-hole SVG <use> instance trees (#13180) // Avoid non-left-click bubbling in Firefox (#3861) if ( delegateCount && cur.nodeType && (!event.button || event.type !== "click") ) {
for ( ; cur != this; cur = cur.parentNode || this ) {
// Don't check non-elements (#13208) // Don't process clicks on disabled elements (#6911, #8165, #11382, #11764) if ( cur.nodeType === 1 && (cur.disabled !== true || event.type !== "click") ) { matches = []; for ( i = 0; i < delegateCount; i++ ) { handleObj = handlers[ i ];
// Don't conflict with Object.prototype properties (#13203) sel = handleObj.selector + " ";
if ( matches[ sel ] === undefined ) { matches[ sel ] = handleObj.needsContext ? jQuery( sel, this ).index( cur ) >= 0 : jQuery.find( sel, this, null, [ cur ] ).length; } if ( matches[ sel ] ) { matches.push( handleObj ); } } if ( matches.length ) { handlerQueue.push({ elem: cur, handlers: matches }); } } } }
// Add the remaining (directly-bound) handlers if ( delegateCount < handlers.length ) { handlerQueue.push({ elem: this, handlers: handlers.slice( delegateCount ) }); }
return handlerQueue; },
fix: function( event ) { if ( event[ jQuery.expando ] ) { return event; }
// Create a writable copy of the event object and normalize some properties var i, prop, copy, type = event.type, originalEvent = event, fixHook = this.fixHooks[ type ];
if ( !fixHook ) { this.fixHooks[ type ] = fixHook = rmouseEvent.test( type ) ? this.mouseHooks : rkeyEvent.test( type ) ? this.keyHooks : {}; } copy = fixHook.props ? this.props.concat( fixHook.props ) : this.props;
event = new jQuery.Event( originalEvent );
i = copy.length; while ( i-- ) { prop = copy[ i ]; event[ prop ] = originalEvent[ prop ]; }
// Support: IE<9 // Fix target property (#1925) if ( !event.target ) { event.target = originalEvent.srcElement || document; }
// Support: Chrome 23+, Safari? // Target should not be a text node (#504, #13143) if ( event.target.nodeType === 3 ) { event.target = event.target.parentNode; }
// Support: IE<9 // For mouse/key events, metaKey==false if it's undefined (#3368, #11328) event.metaKey = !!event.metaKey;
return fixHook.filter ? fixHook.filter( event, originalEvent ) : event; },
// Includes some event props shared by KeyEvent and MouseEvent props: "altKey bubbles cancelable ctrlKey currentTarget eventPhase metaKey relatedTarget shiftKey target timeStamp view which".split(" "),
fixHooks: {},
keyHooks: { props: "char charCode key keyCode".split(" "), filter: function( event, original ) {
// Add which for key events if ( event.which == null ) { event.which = original.charCode != null ? original.charCode : original.keyCode; }
return event; } },
mouseHooks: { props: "button buttons clientX clientY fromElement offsetX offsetY pageX pageY screenX screenY toElement".split(" "), filter: function( event, original ) { var body, eventDoc, doc, button = original.button, fromElement = original.fromElement;
// Calculate pageX/Y if missing and clientX/Y available if ( event.pageX == null && original.clientX != null ) { eventDoc = event.target.ownerDocument || document; doc = eventDoc.documentElement; body = eventDoc.body;
event.pageX = original.clientX + ( doc && doc.scrollLeft || body && body.scrollLeft || 0 ) - ( doc && doc.clientLeft || body && body.clientLeft || 0 ); event.pageY = original.clientY + ( doc && doc.scrollTop || body && body.scrollTop || 0 ) - ( doc && doc.clientTop || body && body.clientTop || 0 ); }
// Add relatedTarget, if necessary if ( !event.relatedTarget && fromElement ) { event.relatedTarget = fromElement === event.target ? original.toElement : fromElement; }
// Add which for click: 1 === left; 2 === middle; 3 === right // Note: button is not normalized, so don't use it if ( !event.which && button !== undefined ) { event.which = ( button & 1 ? 1 : ( button & 2 ? 3 : ( button & 4 ? 2 : 0 ) ) ); }
return event; } },
special: { load: { // Prevent triggered image.load events from bubbling to window.load noBubble: true }, click: { // For checkbox, fire native event so checked state will be right trigger: function() { if ( jQuery.nodeName( this, "input" ) && this.type === "checkbox" && this.click ) { this.click(); return false; } } }, focus: { // Fire native event if possible so blur/focus sequence is correct trigger: function() { if ( this !== document.activeElement && this.focus ) { try { this.focus(); return false; } catch ( e ) { // Support: IE<9 // If we error on focus to hidden element (#1486, #12518), // let .trigger() run the handlers } } }, delegateType: "focusin" }, blur: { trigger: function() { if ( this === document.activeElement && this.blur ) { this.blur(); return false; } }, delegateType: "focusout" },
beforeunload: { postDispatch: function( event ) {
// Even when returnValue equals to undefined Firefox will still show alert if ( event.result !== undefined ) { event.originalEvent.returnValue = event.result; } } } },
simulate: function( type, elem, event, bubble ) { // Piggyback on a donor event to simulate a different one. // Fake originalEvent to avoid donor's stopPropagation, but if the // simulated event prevents default then we do the same on the donor. var e = jQuery.extend( new jQuery.Event(), event, { type: type, isSimulated: true, originalEvent: {} } ); if ( bubble ) { jQuery.event.trigger( e, null, elem ); } else { jQuery.event.dispatch.call( elem, e ); } if ( e.isDefaultPrevented() ) { event.preventDefault(); } } };
jQuery.removeEvent = document.removeEventListener ? function( elem, type, handle ) { if ( elem.removeEventListener ) { elem.removeEventListener( type, handle, false ); } } : function( elem, type, handle ) { var name = "on" + type;
if ( elem.detachEvent ) {
// #8545, #7054, preventing memory leaks for custom events in IE6-8 // detachEvent needed property on element, by name of that event, to properly expose it to GC if ( typeof elem[ name ] === core_strundefined ) { elem[ name ] = null; }
elem.detachEvent( name, handle ); } };
jQuery.Event = function( src, props ) { // Allow instantiation without the 'new' keyword if ( !(this instanceof jQuery.Event) ) { return new jQuery.Event( src, props ); }
// Event object if ( src && src.type ) { this.originalEvent = src; this.type = src.type;
// Events bubbling up the document may have been marked as prevented // by a handler lower down the tree; reflect the correct value. this.isDefaultPrevented = ( src.defaultPrevented || src.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; };
// jQuery.Event is based on DOM3 Events as specified by the ECMAScript Language Binding // http://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html jQuery.Event.prototype = { isDefaultPrevented: returnFalse, isPropagationStopped: returnFalse, isImmediatePropagationStopped: returnFalse,
preventDefault: function() { var e = this.originalEvent;
this.isDefaultPrevented = returnTrue; if ( !e ) { return; }
// If preventDefault exists, run it on the original event if ( e.preventDefault ) { e.preventDefault();
// Support: IE // Otherwise set the returnValue property of the original event to false } else { e.returnValue = false; } }, stopPropagation: function() { var e = this.originalEvent;
this.isPropagationStopped = returnTrue; if ( !e ) { return; } // If stopPropagation exists, run it on the original event if ( e.stopPropagation ) { e.stopPropagation(); }
// Support: IE // Set the cancelBubble property of the original event to true e.cancelBubble = true; }, stopImmediatePropagation: function() { this.isImmediatePropagationStopped = returnTrue; this.stopPropagation(); } };
// 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;
// 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, "submitBubbles" ) ) { jQuery.event.add( form, "submit._submit", function( event ) { event._submit_bubble = true; }); jQuery._data( form, "submitBubbles", true ); } }); // return undefined since we don't need an event listener },
postDispatch: function( event ) { // If form was submitted by the user, bubble the event up the tree if ( event._submit_bubble ) { delete event._submit_bubble; if ( this.parentNode && !event.isTrigger ) { jQuery.event.simulate( "submit", this.parentNode, event, true ); } } },
teardown: function() { // Only need this for delegated form submit events if ( jQuery.nodeName( this, "form" ) ) { return false; }
// Remove delegated handlers; cleanData eventually reaps submit handlers attached above jQuery.event.remove( this, "._submit" ); } }; }
// IE change delegation and checkbox/radio fix if ( !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, "changeBubbles" ) ) { jQuery.event.add( elem, "change._change", function( event ) { if ( this.parentNode && !event.isSimulated && !event.isTrigger ) { jQuery.event.simulate( "change", this.parentNode, event, true ); } }); jQuery._data( elem, "changeBubbles", true ); } }); },
handle: function( event ) { var elem = event.target;
// Swallow native change events from checkbox/radio, we already triggered them above if ( this !== elem || event.isSimulated || event.isTrigger || (elem.type !== "radio" && elem.type !== "checkbox") ) { return event.handleObj.handler.apply( this, arguments ); } },
teardown: function() { jQuery.event.remove( this, "._change" );
return !rformElems.test( this.nodeName ); } }; }
// Create "bubbling" focus and blur events if ( !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 type, origFn;
// Types can be a map of types/handlers if ( typeof types === "object" ) { // ( types-Object, selector, data ) if ( typeof selector !== "string" ) { // ( types-Object, data ) data = data || selector; selector = undefined; } for ( type in types ) { this.on( type, selector, data, types[ type ], one ); } return this; }
if ( data == null && fn == null ) { // ( types, fn ) fn = selector; data = selector = undefined; } else if ( fn == null ) { if ( typeof selector === "string" ) { // ( types, selector, fn ) fn = data; data = undefined; } else { // ( types, data, fn ) fn = data; data = selector; selector = undefined; } } if ( fn === false ) { fn = returnFalse; } else if ( !fn ) { return this; }
if ( one === 1 ) { origFn = fn; fn = function( event ) { // Can use an empty set, since event contains the info jQuery().off( event ); return origFn.apply( this, arguments ); }; // Use same guid so caller can remove using origFn fn.guid = origFn.guid || ( origFn.guid = jQuery.guid++ ); } return this.each( function() { jQuery.event.add( this, types, fn, data, selector ); }); }, one: function( types, selector, data, fn ) { return this.on( types, selector, data, fn, 1 ); }, off: function( types, selector, fn ) { var handleObj, type; if ( types && types.preventDefault && types.handleObj ) { // ( event ) dispatched jQuery.Event handleObj = types.handleObj; jQuery( types.delegateTarget ).off( handleObj.namespace ? handleObj.origType + "." + handleObj.namespace : handleObj.origType, handleObj.selector, handleObj.handler ); return this; } if ( typeof types === "object" ) { // ( types-object [, selector] ) for ( type in types ) { this.off( type, selector, types[ type ] ); } return this; } if ( selector === false || typeof selector === "function" ) { // ( types [, fn] ) fn = selector; selector = undefined; } if ( fn === false ) { fn = returnFalse; } return this.each(function() { jQuery.event.remove( this, types, fn, selector ); }); },
bind: function( types, data, fn ) { return this.on( types, null, data, fn ); }, unbind: function( types, fn ) { return this.off( types, null, fn ); },
delegate: function( selector, types, data, fn ) { return this.on( types, selector, data, fn ); }, undelegate: function( selector, types, fn ) { // ( namespace ) or ( selector, types [, fn] ) return arguments.length === 1 ? this.off( selector, "**" ) : this.off( types, selector || "**", fn ); },
trigger: function( type, data ) { return this.each(function() { jQuery.event.trigger( type, data, this ); }); }, triggerHandler: function( type, data ) { var elem = this[0]; if ( elem ) { return jQuery.event.trigger( type, data, elem, true ); } } }); /*!
* Sizzle CSS Selector Engine * Copyright 2012 jQuery Foundation and other contributors * Released under the MIT license * http://sizzlejs.com/ */
(function( window, undefined ) {
var i, cachedruns, Expr, getText, isXML, compile, hasDuplicate, outermostContext,
// Local document vars setDocument, document, docElem, documentIsXML, rbuggyQSA, rbuggyMatches, matches, contains, sortOrder,
// Instance-specific data expando = "sizzle" + -(new Date()), preferredDoc = window.document, support = {}, dirruns = 0, done = 0, classCache = createCache(), tokenCache = createCache(), compilerCache = createCache(),
// General-purpose constants strundefined = typeof undefined, MAX_NEGATIVE = 1 << 31,
// Array methods arr = [], pop = arr.pop, push = arr.push, slice = arr.slice, // Use a stripped-down indexOf if we can't use a native one indexOf = arr.indexOf || function( elem ) { var i = 0, len = this.length; for ( ; i < len; i++ ) { if ( this[i] === elem ) { return i; } } return -1; },
// Regular expressions
// Whitespace characters http://www.w3.org/TR/css3-selectors/#whitespace whitespace = "[\\x20\\t\\r\\n\\f]", // http://www.w3.org/TR/css3-syntax/#characters characterEncoding = "(?:\\\\.|[\\w-]|[^\\x00-\\xa0])+",
// Loosely modeled on CSS identifier characters // An unquoted value should be a CSS identifier http://www.w3.org/TR/css3-selectors/#attribute-selectors // Proper syntax: http://www.w3.org/TR/CSS21/syndata.html#value-def-identifier identifier = characterEncoding.replace( "w", "w#" ),
// Acceptable operators http://www.w3.org/TR/selectors/#attribute-selectors operators = "([*^$|!~]?=)", attributes = "\\[" + whitespace + "*(" + characterEncoding + ")" + whitespace + "*(?:" + operators + whitespace + "*(?:(['\"])((?:\\\\.|[^\\\\])*?)\\3|(" + identifier + ")|)|)" + whitespace + "*\\]",
// Prefer arguments quoted, // then not containing pseudos/brackets, // then attribute selectors/non-parenthetical expressions, // then anything else // These preferences are here to reduce the number of selectors // needing tokenize in the PSEUDO preFilter pseudos = ":(" + characterEncoding + ")(?:\\(((['\"])((?:\\\\.|[^\\\\])*?)\\3|((?:\\\\.|[^\\\\()[\\]]|" + attributes.replace( 3, 8 ) + ")*)|.*)\\)|)",
// Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter rtrim = new RegExp( "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" + whitespace + "+$", "g" ),
rcomma = new RegExp( "^" + whitespace + "*," + whitespace + "*" ), rcombinators = new RegExp( "^" + whitespace + "*([\\x20\\t\\r\\n\\f>+~])" + whitespace + "*" ), rpseudo = new RegExp( pseudos ), ridentifier = new RegExp( "^" + identifier + "$" ),
matchExpr = { "ID": new RegExp( "^#(" + characterEncoding + ")" ), "CLASS": new RegExp( "^\\.(" + characterEncoding + ")" ), "NAME": new RegExp( "^\\[name=['\"]?(" + characterEncoding + ")['\"]?\\]" ), "TAG": new RegExp( "^(" + characterEncoding.replace( "w", "w*" ) + ")" ), "ATTR": new RegExp( "^" + attributes ), "PSEUDO": new RegExp( "^" + pseudos ), "CHILD": new RegExp( "^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" + whitespace + "*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" + whitespace + "*(\\d+)|))" + whitespace + "*\\)|)", "i" ), // For use in libraries implementing .is() // We use this for POS matching in `select` "needsContext": new RegExp( "^" + whitespace + "*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" + whitespace + "*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i" ) },
rsibling = /[\x20\t\r\n\f]*[+~]/,
rnative = /^[^{]+\{\s*\[native code/,
// Easily-parseable/retrievable ID or TAG or CLASS selectors rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/,
rinputs = /^(?:input|select|textarea|button)$/i, rheader = /^h\d$/i,
rescape = /'|\\/g, rattributeQuotes = /\=[\x20\t\r\n\f]*([^'"\]]*)[\x20\t\r\n\f]*\]/g,
// CSS escapes http://www.w3.org/TR/CSS21/syndata.html#escaped-characters runescape = /\\([\da-fA-F]{1,6}[\x20\t\r\n\f]?|.)/g, funescape = function( _, escaped ) { var high = "0x" + escaped - 0x10000; // NaN means non-codepoint return high !== high ? escaped : // BMP codepoint high < 0 ? String.fromCharCode( high + 0x10000 ) : // Supplemental Plane codepoint (surrogate pair) String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 ); };
// Use a stripped-down slice if we can't use a native one try { slice.call( preferredDoc.documentElement.childNodes, 0 )[0].nodeType; } catch ( e ) { slice = function( i ) { var elem, results = []; while ( (elem = this[i++]) ) { results.push( elem ); } return results; }; }
/**
* For feature detection
* @param {Function} fn The function to test for native support
*/
function isNative( fn ) { return rnative.test( fn + "" ); }
/**
* Create key-value caches of limited size
* @returns {Function(string, Object)} Returns the Object data after storing it on itself with
* property name the (space-suffixed) string and (if the cache is larger than Expr.cacheLength)
* deleting the oldest entry
*/
function createCache() { var cache, keys = [];
return (cache = function( key, value ) { // Use (key + " ") to avoid collision with native prototype properties (see Issue #157) if ( keys.push( key += " " ) > Expr.cacheLength ) { // Only keep the most recent entries delete cache[ keys.shift() ]; } return (cache[ key ] = value); }); }
/**
* Mark a function for special use by Sizzle
* @param {Function} fn The function to mark
*/
function markFunction( fn ) { fn[ expando ] = true; return fn; }
/**
* Support testing using an element
* @param {Function} fn Passed the created div and expects a boolean result
*/
function assert( fn ) { var div = document.createElement("div");
try { return fn( div ); } catch (e) { return false; } finally { // release memory in IE div = null; } }
function Sizzle( selector, context, results, seed ) { var match, elem, m, nodeType, // QSA vars i, groups, old, nid, newContext, newSelector;
if ( ( context ? context.ownerDocument || context : preferredDoc ) !== document ) { setDocument( context ); }
context = context || document; results = results || [];
if ( !selector || typeof selector !== "string" ) { return results; }
if ( (nodeType = context.nodeType) !== 1 && nodeType !== 9 ) { return []; }
if ( !documentIsXML && !seed ) {
// Shortcuts if ( (match = rquickExpr.exec( selector )) ) { // Speed-up: Sizzle("#ID") if ( (m = match[1]) ) { if ( nodeType === 9 ) { elem = context.getElementById( m ); // Check parentNode to catch when Blackberry 4.6 returns // nodes that are no longer in the document #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]) && support.getByClassName && context.getElementsByClassName ) { push.apply( results, slice.call(context.getElementsByClassName( m ), 0) ); return results; } }
// QSA path if ( support.qsa && !rbuggyQSA.test(selector) ) { old = true; nid = expando; newContext = context; newSelector = nodeType === 9 && selector;
// qSA works strangely on Element-rooted queries // We can work around this by specifying an extra ID on the root // and working up from there (Thanks to Andrew Dupont for the technique) // IE 8 doesn't work on object elements if ( nodeType === 1 && context.nodeName.toLowerCase() !== "object" ) { groups = tokenize( selector );
if ( (old = context.getAttribute("id")) ) { nid = old.replace( rescape, "\\$&" ); } else { context.setAttribute( "id", nid ); } nid = "[id='" + nid + "'] ";
i = groups.length; while ( i-- ) { groups[i] = nid + toSelector( groups[i] ); } newContext = rsibling.test( selector ) && context.parentNode || context; newSelector = groups.join(","); }
if ( newSelector ) { try { push.apply( results, slice.call( newContext.querySelectorAll( newSelector ), 0 ) ); return results; } catch(qsaError) { } finally { if ( !old ) { context.removeAttribute("id"); } } } } }
// All others return select( selector.replace( rtrim, "$1" ), context, results, seed ); }
/**
* Detect xml
* @param {Element|Object} elem An element or a document
*/
isXML = Sizzle.isXML = function( elem ) { // documentElement is verified for cases where it doesn't yet exist // (such as loading iframes in IE - #4833) var documentElement = elem && (elem.ownerDocument || elem).documentElement; return documentElement ? documentElement.nodeName !== "HTML" : false; };
/**
* Sets document-related variables once based on the current document
* @param {Element|Object} [doc] An element or document object to use to set the document
* @returns {Object} Returns the current document
*/
setDocument = Sizzle.setDocument = function( node ) { var doc = node ? node.ownerDocument || node : preferredDoc;
// If no document and documentElement is available, return if ( doc === document || doc.nodeType !== 9 || !doc.documentElement ) { return document; }
// Set our document document = doc; docElem = doc.documentElement;
// Support tests documentIsXML = isXML( doc );
// Check if getElementsByTagName("*") returns only elements support.tagNameNoComments = assert(function( div ) { div.appendChild( doc.createComment("") ); return !div.getElementsByTagName("*").length; });
// Check if attributes should be retrieved by attribute nodes support.attributes = 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 getElementsByClassName can be trusted support.getByClassName = assert(function( div ) { // Opera can't find a second classname (in 9.6)
div.innerHTML = "";if ( !div.getElementsByClassName || !div.getElementsByClassName("e").length ) { return false; }
// Safari 3.2 caches class attributes and doesn't catch changes div.lastChild.className = "e"; return div.getElementsByClassName("e").length === 2; });
// Check if getElementById returns elements by name // Check if getElementsByName privileges form controls or returns elements by ID support.getByName = assert(function( div ) { // Inject content div.id = expando + 0;
div.innerHTML = "<a name='" + expando + "'></a>";docElem.insertBefore( div, docElem.firstChild );
// Test var pass = doc.getElementsByName && // buggy browsers will return fewer than the correct 2 doc.getElementsByName( expando ).length === 2 + // buggy browsers will return more than the correct 0 doc.getElementsByName( expando + 0 ).length; support.getIdNotName = !doc.getElementById( expando );
// Cleanup docElem.removeChild( div );
return pass; });
// IE6/7 return modified attributes Expr.attrHandle = assert(function( div ) { div.innerHTML = "<a href='#'></a>"; return div.firstChild && typeof div.firstChild.getAttribute !== strundefined && div.firstChild.getAttribute("href") === "#"; }) ? {} : { "href": function( elem ) { return elem.getAttribute( "href", 2 ); }, "type": function( elem ) { return elem.getAttribute("type"); } };
// ID find and filter if ( support.getIdNotName ) { Expr.find["ID"] = function( id, context ) { if ( typeof context.getElementById !== strundefined && !documentIsXML ) { var m = context.getElementById( id ); // Check parentNode to catch when Blackberry 4.6 returns // nodes that are no longer in the document #6963 return m && m.parentNode ? [m] : []; } }; Expr.filter["ID"] = function( id ) { var attrId = id.replace( runescape, funescape ); return function( elem ) { return elem.getAttribute("id") === attrId; }; }; } else { Expr.find["ID"] = function( id, context ) { if ( typeof context.getElementById !== strundefined && !documentIsXML ) { var m = context.getElementById( id );
return m ? m.id === id || typeof m.getAttributeNode !== strundefined && m.getAttributeNode("id").value === id ? [m] : undefined : []; } }; Expr.filter["ID"] = function( id ) { var attrId = id.replace( runescape, funescape ); return function( elem ) { var node = typeof elem.getAttributeNode !== strundefined && elem.getAttributeNode("id"); return node && node.value === attrId; }; }; }
// Tag Expr.find["TAG"] = support.tagNameNoComments ? function( tag, context ) { if ( typeof context.getElementsByTagName !== strundefined ) { return context.getElementsByTagName( tag ); } } : function( tag, context ) { var elem, tmp = [], i = 0, results = context.getElementsByTagName( tag );
// Filter out possible comments if ( tag === "*" ) { while ( (elem = results[i++]) ) { if ( elem.nodeType === 1 ) { tmp.push( elem ); } }
return tmp; } return results; };
// Name Expr.find["NAME"] = support.getByName && function( tag, context ) { if ( typeof context.getElementsByName !== strundefined ) { return context.getElementsByName( name ); } };
// Class Expr.find["CLASS"] = support.getByClassName && function( className, context ) { if ( typeof context.getElementsByClassName !== strundefined && !documentIsXML ) { return context.getElementsByClassName( className ); } };
// QSA and matchesSelector support
// matchesSelector(:active) reports false when true (IE9/Opera 11.5) rbuggyMatches = [];
// qSa(:focus) reports false when true (Chrome 21), // no need to also add to buggyMatches since matches checks buggyQSA // A support test would require too much code (would include document ready) rbuggyQSA = [ ":focus" ];
if ( (support.qsa = isNative(doc.querySelectorAll)) ) { // Build QSA regex // Regex strategy adopted from Diego Perini assert(function( div ) { // Select is set to empty string on purpose // This is to test IE's treatment of not explictly // setting a boolean content attribute, // since its presence should be enough // http://bugs.jquery.com/ticket/12359 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 and will not see later tests if ( !div.querySelectorAll(":checked").length ) { rbuggyQSA.push(":checked"); } });
assert(function( div ) {
// Opera 10-12/IE8 - ^= $= *= and empty values // Should not select anything div.innerHTML = "<input type='hidden' i=/>"; if ( div.querySelectorAll("[i^=]").length ) { rbuggyQSA.push( "[*^$]=" + whitespace + "*(?:\"\"|)" ); }
// FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled) // IE8 throws error here and will not see later tests if ( !div.querySelectorAll(":enabled").length ) { rbuggyQSA.push( ":enabled", ":disabled" ); }
// Opera 10-11 does not throw on post-comma invalid pseudos div.querySelectorAll("*,:x"); rbuggyQSA.push(",.*:"); }); }
if ( (support.matchesSelector = isNative( (matches = docElem.matchesSelector || docElem.mozMatchesSelector || docElem.webkitMatchesSelector || docElem.oMatchesSelector || docElem.msMatchesSelector) )) ) {
assert(function( div ) { // Check to see if it's possible to do matchesSelector // on a disconnected node (IE 9) support.disconnectedMatch = matches.call( div, "div" );
// This should fail with an exception // Gecko does not error, returns false instead matches.call( div, "[s!=]:x" ); rbuggyMatches.push( "!=", pseudos ); }); }
rbuggyQSA = new RegExp( rbuggyQSA.join("|") ); rbuggyMatches = new RegExp( rbuggyMatches.join("|") );
// Element contains another // Purposefully does not implement inclusive descendent // As in, an element does not contain itself contains = isNative(docElem.contains) || docElem.compareDocumentPosition ? function( a, b ) { var adown = a.nodeType === 9 ? a.documentElement : a, bup = b && b.parentNode; return a === bup || !!( bup && bup.nodeType === 1 && ( adown.contains ? adown.contains( bup ) : a.compareDocumentPosition && a.compareDocumentPosition( bup ) & 16 )); } : function( a, b ) { if ( b ) { while ( (b = b.parentNode) ) { if ( b === a ) { return true; } } } return false; };
// Document order sorting sortOrder = docElem.compareDocumentPosition ? function( a, b ) { var compare;
if ( a === b ) { hasDuplicate = true; return 0; }
if ( (compare = b.compareDocumentPosition && a.compareDocumentPosition && a.compareDocumentPosition( b )) ) { if ( compare & 1 || a.parentNode && a.parentNode.nodeType === 11 ) { if ( a === doc || contains( preferredDoc, a ) ) { return -1; } if ( b === doc || contains( preferredDoc, b ) ) { return 1; } return 0; } return compare & 4 ? -1 : 1; }
return a.compareDocumentPosition ? -1 : 1; } : function( a, b ) { var cur, i = 0, aup = a.parentNode, bup = b.parentNode, ap = [ a ], bp = [ b ];
// Exit early if the nodes are identical if ( a === b ) { hasDuplicate = true; return 0;
// Parentless nodes are either documents or disconnected } else if ( !aup || !bup ) { return a === doc ? -1 : b === doc ? 1 : aup ? -1 : bup ? 1 : 0;
// If the nodes are siblings, we can do a quick check } else if ( aup === bup ) { return siblingCheck( a, b ); }
// Otherwise we need full lists of their ancestors for comparison cur = a; while ( (cur = cur.parentNode) ) { ap.unshift( cur ); } cur = b; while ( (cur = cur.parentNode) ) { bp.unshift( cur ); }
// Walk down the tree looking for a discrepancy while ( ap[i] === bp[i] ) { i++; }
return i ? // Do a sibling check if the nodes have a common ancestor siblingCheck( ap[i], bp[i] ) :
// Otherwise nodes in our document sort first ap[i] === preferredDoc ? -1 : bp[i] === preferredDoc ? 1 : 0; };
// Always assume the presence of duplicates if sort doesn't // pass them to our comparison function (as in Google Chrome). hasDuplicate = false; [0, 0].sort( sortOrder ); support.detectDuplicates = hasDuplicate;
return document; };
Sizzle.matches = function( expr, elements ) { return Sizzle( expr, null, null, elements ); };
Sizzle.matchesSelector = function( elem, expr ) { // Set document vars if needed if ( ( elem.ownerDocument || elem ) !== document ) { setDocument( elem ); }
// Make sure that attribute selectors are quoted expr = expr.replace( rattributeQuotes, "='$1']" );
// rbuggyQSA always contains :focus, so no need for an existence check if ( support.matchesSelector && !documentIsXML && (!rbuggyMatches || !rbuggyMatches.test(expr)) && !rbuggyQSA.test(expr) ) { try { var ret = matches.call( elem, expr );
// IE 9's matchesSelector returns false on disconnected nodes if ( ret || support.disconnectedMatch || // As well, disconnected nodes are said to be in a document // fragment in IE 9 elem.document && elem.document.nodeType !== 11 ) { return ret; } } catch(e) {} }
return Sizzle( expr, document, null, [elem] ).length > 0; };
Sizzle.contains = function( context, elem ) { // Set document vars if needed if ( ( context.ownerDocument || context ) !== document ) { setDocument( context ); } return contains( context, elem ); };
Sizzle.attr = function( elem, name ) { var val;
// Set document vars if needed if ( ( elem.ownerDocument || elem ) !== document ) { setDocument( elem ); }
if ( !documentIsXML ) { name = name.toLowerCase(); } if ( (val = Expr.attrHandle[ name ]) ) { return val( elem ); } if ( documentIsXML || support.attributes ) { return elem.getAttribute( name ); } return ( (val = elem.getAttributeNode( name )) || elem.getAttribute( name ) ) && elem[ name ] === true ? name : val && val.specified ? val.value : null; };
Sizzle.error = function( msg ) { throw new Error( "Syntax error, unrecognized expression: " + msg ); };
// Document sorting and removing duplicates Sizzle.uniqueSort = function( results ) { var elem, duplicates = [], i = 1, j = 0;
// Unless we *know* we can detect duplicates, assume their presence hasDuplicate = !support.detectDuplicates; results.sort( sortOrder );
if ( hasDuplicate ) { for ( ; (elem = results[i]); i++ ) { if ( elem === results[ i - 1 ] ) { j = duplicates.push( i ); } } while ( j-- ) { results.splice( duplicates[ j ], 1 ); } }
return results; };
function siblingCheck( a, b ) { var cur = b && a, diff = cur && ( ~b.sourceIndex || MAX_NEGATIVE ) - ( ~a.sourceIndex || MAX_NEGATIVE );
// Use IE sourceIndex if available on both nodes if ( diff ) { return diff; }
// Check if b follows a if ( cur ) { while ( (cur = cur.nextSibling) ) { if ( cur === b ) { return -1; } } }
return a ? 1 : -1; }
// Returns a function to use in pseudos for input types function createInputPseudo( type ) { return function( elem ) { var name = elem.nodeName.toLowerCase(); return name === "input" && elem.type === type; }; }
// Returns a function to use in pseudos for buttons function createButtonPseudo( type ) { return function( elem ) { var name = elem.nodeName.toLowerCase(); return (name === "input" || name === "button") && elem.type === type; }; }
// Returns a function to use in pseudos for positionals function createPositionalPseudo( fn ) { return markFunction(function( argument ) { argument = +argument; return markFunction(function( seed, matches ) { var j, matchIndexes = fn( [], seed.length, argument ), i = matchIndexes.length;
// Match elements found at the specified indexes while ( i-- ) { if ( seed[ (j = matchIndexes[i]) ] ) { seed[j] = !(matches[j] = seed[j]); } } }); }); }
/**
* Utility function for retrieving the text value of an array of DOM nodes
* @param {Array|Element} elem
*/
getText = Sizzle.getText = function( elem ) { var node, ret = "", i = 0, nodeType = elem.nodeType;
if ( !nodeType ) { // If no nodeType, this is expected to be an array for ( ; (node = elem[i]); i++ ) { // Do not traverse comment nodes ret += getText( node ); } } else if ( nodeType === 1 || nodeType === 9 || nodeType === 11 ) { // Use textContent for elements // innerText usage removed for consistency of new lines (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
return ret; };
Expr = Sizzle.selectors = {
// Can be adjusted by the user cacheLength: 50,
createPseudo: markFunction,
match: matchExpr,
find: {},
relative: { ">": { dir: "parentNode", first: true }, " ": { dir: "parentNode" }, "+": { dir: "previousSibling", first: true }, "~": { dir: "previousSibling" } },
preFilter: { "ATTR": function( match ) { match[1] = match[1].replace( runescape, funescape );
// Move the given value to match[3] whether quoted or unquoted match[3] = ( match[4] || match[5] || "" ).replace( runescape, funescape );
if ( match[2] === "~=" ) { match[3] = " " + match[3] + " "; }
return match.slice( 0, 4 ); },
"CHILD": function( match ) { /* matches from matchExpr["CHILD"] 1 type (only|nth|...) 2 what (child|of-type) 3 argument (even|odd|\d*|\d*n([+-]\d+)?|...) 4 xn-component of xn+y argument ([+-]?\d*n|) 5 sign of xn-component 6 x of xn-component 7 sign of y-component 8 y of y-component */ match[1] = match[1].toLowerCase();
if ( match[1].slice( 0, 3 ) === "nth" ) { // nth-* requires argument if ( !match[3] ) { Sizzle.error( match[0] ); }
// numeric x and y parameters for Expr.filter.CHILD // remember that false/true cast respectively to 0/1 match[4] = +( match[4] ? match[5] + (match[6] || 1) : 2 * ( match[3] === "even" || match[3] === "odd" ) ); match[5] = +( ( match[7] + match[8] ) || match[3] === "odd" );
// other types prohibit arguments } else if ( match[3] ) { Sizzle.error( match[0] ); }
return match; },
"PSEUDO": function( match ) { var excess, unquoted = !match[5] && match[2];
if ( matchExpr["CHILD"].test( match[0] ) ) { return null; }
// Accept quoted arguments as-is if ( match[4] ) { match[2] = match[4];
// Strip excess characters from unquoted arguments } else if ( unquoted && rpseudo.test( unquoted ) && // Get excess from tokenize (recursively) (excess = tokenize( unquoted, true )) && // advance to the next closing parenthesis (excess = unquoted.indexOf( ")", unquoted.length - excess ) - unquoted.length) ) {
// excess is a negative index match[0] = match[0].slice( 0, excess ); match[2] = unquoted.slice( 0, excess ); }
// Return only captures needed by the pseudo filter method (type and argument) return match.slice( 0, 3 ); } },
filter: {
"TAG": function( nodeName ) { if ( nodeName === "*" ) { return function() { return true; }; }
nodeName = nodeName.replace( runescape, funescape ).toLowerCase(); return function( elem ) { return elem.nodeName && elem.nodeName.toLowerCase() === nodeName; }; },
"CLASS": function( className ) { var pattern = classCache[ className + " " ];
return pattern || (pattern = new RegExp( "(^|" + whitespace + ")" + className + "(" + whitespace + "|$)" )) && classCache( className, function( elem ) { return pattern.test( elem.className || (typeof elem.getAttribute !== strundefined && elem.getAttribute("class")) || "" ); }); },
"ATTR": function( name, operator, check ) { return function( elem ) { var result = Sizzle.attr( elem, name );
if ( result == null ) { return operator === "!="; } if ( !operator ) { return true; }
result += "";
return operator === "=" ? result === check : operator === "!=" ? result !== check : operator === "^=" ? check && result.indexOf( check ) === 0 : operator === "*=" ? check && result.indexOf( check ) > -1 : operator === "$=" ? check && result.slice( -check.length ) === check : operator === "~=" ? ( " " + result + " " ).indexOf( check ) > -1 : operator === "|=" ? result === check || result.slice( 0, check.length + 1 ) === check + "-" : false; }; },
"CHILD": function( type, what, argument, first, last ) { var simple = type.slice( 0, 3 ) !== "nth", forward = type.slice( -4 ) !== "last", ofType = what === "of-type";
return first === 1 && last === 0 ?
// Shortcut for :nth-*(n) function( elem ) { return !!elem.parentNode; } :
function( elem, context, xml ) { var cache, outerCache, node, diff, nodeIndex, start, dir = simple !== forward ? "nextSibling" : "previousSibling", parent = elem.parentNode, name = ofType && elem.nodeName.toLowerCase(), useCache = !xml && !ofType;
if ( parent ) {
// :(first|last|only)-(child|of-type) if ( simple ) { while ( dir ) { node = elem; while ( (node = node[ dir ]) ) { if ( ofType ? node.nodeName.toLowerCase() === name : node.nodeType === 1 ) { return false; } } // Reverse direction for :only-* (if we haven't yet done so) start = dir = type === "only" && !start && "nextSibling"; } return true; }
start = [ forward ? parent.firstChild : parent.lastChild ];
// non-xml :nth-child(...) stores cache data on `parent` if ( forward && useCache ) { // Seek `elem` from a previously-cached index outerCache = parent[ expando ] || (parent[ expando ] = {}); cache = outerCache[ type ] || []; nodeIndex = cache[0] === dirruns && cache[1]; diff = cache[0] === dirruns && cache[2]; node = nodeIndex && parent.childNodes[ nodeIndex ];
while ( (node = ++nodeIndex && node && node[ dir ] ||
// Fallback to seeking `elem` from the start (diff = nodeIndex = 0) || start.pop()) ) {
// When found, cache indexes on `parent` and break if ( node.nodeType === 1 && ++diff && node === elem ) { outerCache[ type ] = [ dirruns, nodeIndex, diff ]; break; } }
// Use previously-cached element index if available } else if ( useCache && (cache = (elem[ expando ] || (elem[ expando ] = {}))[ type ]) && cache[0] === dirruns ) { diff = cache[1];
// xml :nth-child(...) or :nth-last-child(...) or :nth(-last)?-of-type(...) } else { // Use the same loop as above to seek `elem` from the start while ( (node = ++nodeIndex && node && node[ dir ] || (diff = nodeIndex = 0) || start.pop()) ) {
if ( ( ofType ? node.nodeName.toLowerCase() === name : node.nodeType === 1 ) && ++diff ) { // Cache the index of each encountered element if ( useCache ) { (node[ expando ] || (node[ expando ] = {}))[ type ] = [ dirruns, diff ]; }
if ( node === elem ) { break; } } } }
// Incorporate the offset, then check against cycle size diff -= last; return diff === first || ( diff % first === 0 && diff / first >= 0 ); } }; },
"PSEUDO": function( pseudo, argument ) { // pseudo-class names are case-insensitive // http://www.w3.org/TR/selectors/#pseudo-classes // Prioritize by case sensitivity in case custom pseudos are added with uppercase letters // Remember that setFilters inherits from pseudos var args, fn = Expr.pseudos[ pseudo ] || Expr.setFilters[ pseudo.toLowerCase() ] || Sizzle.error( "unsupported pseudo: " + pseudo );
// The user may use createPseudo to indicate that // arguments are needed to create the filter function // just as Sizzle does if ( fn[ expando ] ) { return fn( argument ); }
// But maintain support for old signatures if ( fn.length > 1 ) { args = [ pseudo, pseudo, "", argument ]; return Expr.setFilters.hasOwnProperty( pseudo.toLowerCase() ) ? markFunction(function( seed, matches ) { var idx, matched = fn( seed, argument ), i = matched.length; while ( i-- ) { idx = indexOf.call( seed, matched[i] ); seed[ idx ] = !( matches[ idx ] = matched[i] ); } }) : function( elem ) { return fn( elem, 0, args ); }; }
return fn; } },
pseudos: { // Potentially complex pseudos "not": markFunction(function( selector ) { // Trim the selector passed to compile // to avoid treating leading and trailing // spaces as combinators var input = [], results = [], matcher = compile( selector.replace( rtrim, "$1" ) );
return matcher[ expando ] ? markFunction(function( seed, matches, context, xml ) { var elem, unmatched = matcher( seed, null, xml, [] ), i = seed.length;
// Match elements unmatched by `matcher` while ( i-- ) { if ( (elem = unmatched[i]) ) { seed[i] = !(matches[i] = elem); } } }) : function( elem, context, xml ) { input[0] = elem; matcher( input, null, xml, results ); return !results.pop(); }; }),
"has": markFunction(function( selector ) { return function( elem ) { return Sizzle( selector, elem ).length > 0; }; }),
"contains": markFunction(function( text ) { return function( elem ) { return ( elem.textContent || elem.innerText || getText( elem ) ).indexOf( text ) > -1; }; }),
// "Whether an element is represented by a :lang() selector // is based solely on the element's language value // being equal to the identifier C, // or beginning with the identifier C immediately followed by "-". // The matching of C against the element's language value is performed case-insensitively. // The identifier C does not have to be a valid language name." // http://www.w3.org/TR/selectors/#lang-pseudo "lang": markFunction( function( lang ) { // lang value must be a valid identifider if ( !ridentifier.test(lang || "") ) { Sizzle.error( "unsupported lang: " + lang ); } lang = lang.replace( runescape, funescape ).toLowerCase(); return function( elem ) { var elemLang; do { if ( (elemLang = documentIsXML ? elem.getAttribute("xml:lang") || elem.getAttribute("lang") : elem.lang) ) {
elemLang = elemLang.toLowerCase(); return elemLang === lang || elemLang.indexOf( lang + "-" ) === 0; } } while ( (elem = elem.parentNode) && elem.nodeType === 1 ); return false; }; }),
// Miscellaneous "target": function( elem ) { var hash = window.location && window.location.hash; return hash && hash.slice( 1 ) === elem.id; },
"root": function( elem ) { return elem === docElem; },
"focus": function( elem ) { return elem === document.activeElement && (!document.hasFocus || document.hasFocus()) && !!(elem.type || elem.href || ~elem.tabIndex); },
// Boolean properties "enabled": function( elem ) { return elem.disabled === false; },
"disabled": function( elem ) { return elem.disabled === true; },
"checked": function( elem ) { // In CSS3, :checked should return both checked and selected elements // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked var nodeName = elem.nodeName.toLowerCase(); return (nodeName === "input" && !!elem.checked) || (nodeName === "option" && !!elem.selected); },
"selected": function( elem ) { // Accessing this property makes selected-by-default // options in Safari work properly if ( elem.parentNode ) { elem.parentNode.selectedIndex; }
return elem.selected === true; },
// Contents "empty": function( elem ) { // http://www.w3.org/TR/selectors/#empty-pseudo // :empty is 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 "?") for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) { if ( elem.nodeName > "@" || elem.nodeType === 3 || elem.nodeType === 4 ) { return false; } } return true; },
"parent": function( elem ) { return !Expr.pseudos["empty"]( elem ); },
// Element/input types "header": function( elem ) { return rheader.test( elem.nodeName ); },
"input": function( elem ) { return rinputs.test( elem.nodeName ); },
"button": function( elem ) { var name = elem.nodeName.toLowerCase(); return name === "input" && elem.type === "button" || name === "button"; },
"text": function( elem ) { var attr; // 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" && elem.type === "text" && ( (attr = elem.getAttribute("type")) == null || attr.toLowerCase() === elem.type ); },
// Position-in-collection "first": createPositionalPseudo(function() { return [ 0 ]; }),
"last": createPositionalPseudo(function( matchIndexes, length ) { return [ length - 1 ]; }),
"eq": createPositionalPseudo(function( matchIndexes, length, argument ) { return [ argument < 0 ? argument + length : argument ]; }),
"even": createPositionalPseudo(function( matchIndexes, length ) { var i = 0; for ( ; i < length; i += 2 ) { matchIndexes.push( i ); } return matchIndexes; }),
"odd": createPositionalPseudo(function( matchIndexes, length ) { var i = 1; for ( ; i < length; i += 2 ) { matchIndexes.push( i ); } return matchIndexes; }),
"lt": createPositionalPseudo(function( matchIndexes, length, argument ) { var i = argument < 0 ? argument + length : argument; for ( ; --i >= 0; ) { matchIndexes.push( i ); } return matchIndexes; }),
"gt": createPositionalPseudo(function( matchIndexes, length, argument ) { var i = argument < 0 ? argument + length : argument; for ( ; ++i < length; ) { matchIndexes.push( i ); } return matchIndexes; }) } };
// Add button/input type pseudos for ( i in { radio: true, checkbox: true, file: true, password: true, image: true } ) { Expr.pseudos[ i ] = createInputPseudo( i ); } for ( i in { submit: true, reset: true } ) { Expr.pseudos[ i ] = createButtonPseudo( i ); }
function tokenize( selector, parseOnly ) { var matched, match, tokens, type, soFar, groups, preFilters, cached = tokenCache[ selector + " " ];
if ( cached ) { return parseOnly ? 0 : cached.slice( 0 ); }
soFar = selector; groups = []; preFilters = Expr.preFilter;
while ( soFar ) {
// Comma and first run if ( !matched || (match = rcomma.exec( soFar )) ) { if ( match ) { // Don't consume trailing commas as valid soFar = soFar.slice( match[0].length ) || soFar; } groups.push( tokens = [] ); }
matched = false;
// Combinators if ( (match = rcombinators.exec( soFar )) ) { matched = match.shift(); tokens.push( { value: matched, // Cast descendant combinators to space type: match[0].replace( rtrim, " " ) } ); soFar = soFar.slice( matched.length ); }
// Filters for ( type in Expr.filter ) { if ( (match = matchExpr[ type ].exec( soFar )) && (!preFilters[ type ] || (match = preFilters[ type ]( match ))) ) { matched = match.shift(); tokens.push( { value: matched, type: type, matches: match } ); soFar = soFar.slice( matched.length ); } }
if ( !matched ) { break; } }
// Return the length of the invalid excess // if we're just parsing // Otherwise, throw an error or return tokens return parseOnly ? soFar.length : soFar ? Sizzle.error( selector ) : // Cache the tokens tokenCache( selector, groups ).slice( 0 ); }
function toSelector( tokens ) { var i = 0, len = tokens.length, selector = ""; for ( ; i < len; i++ ) { selector += tokens[i].value; } return selector; }
function addCombinator( matcher, combinator, base ) { var dir = combinator.dir, checkNonElements = base && dir === "parentNode", doneName = done++;
return combinator.first ? // Check against closest ancestor/preceding element function( elem, context, xml ) { while ( (elem = elem[ dir ]) ) { if ( elem.nodeType === 1 || checkNonElements ) { return matcher( elem, context, xml ); } } } :
// Check against all ancestor/preceding elements function( elem, context, xml ) { var data, cache, outerCache, dirkey = dirruns + " " + doneName;
// We can't set arbitrary data on XML nodes, so they don't benefit from dir caching if ( xml ) { while ( (elem = elem[ dir ]) ) { if ( elem.nodeType === 1 || checkNonElements ) { if ( matcher( elem, context, xml ) ) { return true; } } } } else { while ( (elem = elem[ dir ]) ) { if ( elem.nodeType === 1 || checkNonElements ) { outerCache = elem[ expando ] || (elem[ expando ] = {}); if ( (cache = outerCache[ dir ]) && cache[0] === dirkey ) { if ( (data = cache[1]) === true || data === cachedruns ) { return data === true; } } else { cache = outerCache[ dir ] = [ dirkey ]; cache[1] = matcher( elem, context, xml ) || cachedruns; if ( cache[1] === true ) { return true; } } } } } }; }
function elementMatcher( matchers ) { return matchers.length > 1 ? function( elem, context, xml ) { var i = matchers.length; while ( i-- ) { if ( !matchers[i]( elem, context, xml ) ) { return false; } } return true; } : matchers[0]; }
function condense( unmatched, map, filter, context, xml ) { var elem, newUnmatched = [], i = 0, len = unmatched.length, mapped = map != null;
for ( ; i < len; i++ ) { if ( (elem = unmatched[i]) ) { if ( !filter || filter( elem, context, xml ) ) { newUnmatched.push( elem ); if ( mapped ) { map.push( i ); } } } }
return newUnmatched; }
function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postSelector ) { if ( postFilter && !postFilter[ expando ] ) { postFilter = setMatcher( postFilter ); } if ( postFinder && !postFinder[ expando ] ) { postFinder = setMatcher( postFinder, postSelector ); } return markFunction(function( seed, results, context, xml ) { var temp, i, elem, preMap = [], postMap = [], preexisting = results.length,
// Get initial elements from seed or context elems = seed || multipleContexts( selector || "*", context.nodeType ? [ context ] : context, [] ),
// Prefilter to get matcher input, preserving a map for seed-results synchronization matcherIn = preFilter && ( seed || !selector ) ? condense( elems, preMap, preFilter, context, xml ) : elems,
matcherOut = matcher ? // If we have a postFinder, or filtered seed, or non-seed postFilter or preexisting results, postFinder || ( seed ? preFilter : preexisting || postFilter ) ?
// ...intermediate processing is necessary [] :
// ...otherwise use results directly results : matcherIn;
// Find primary matches if ( matcher ) { matcher( matcherIn, matcherOut, context, xml ); }
// Apply postFilter if ( postFilter ) { temp = condense( matcherOut, postMap ); postFilter( temp, [], context, xml );
// Un-match failing elements by moving them back to matcherIn i = temp.length; while ( i-- ) { if ( (elem = temp[i]) ) { matcherOut[ postMap[i] ] = !(matcherIn[ postMap[i] ] = elem); } } }
if ( seed ) { if ( postFinder || preFilter ) { if ( postFinder ) { // Get the final matcherOut by condensing this intermediate into postFinder contexts temp = []; i = matcherOut.length; while ( i-- ) { if ( (elem = matcherOut[i]) ) { // Restore matcherIn since elem is not yet a final match temp.push( (matcherIn[i] = elem) ); } } postFinder( null, (matcherOut = []), temp, xml ); }
// Move matched elements from seed to results to keep them synchronized i = matcherOut.length; while ( i-- ) { if ( (elem = matcherOut[i]) && (temp = postFinder ? indexOf.call( seed, elem ) : preMap[i]) > -1 ) {
seed[temp] = !(results[temp] = elem); } } }
// Add elements to results, through postFinder if defined } else { matcherOut = condense( matcherOut === results ? matcherOut.splice( preexisting, matcherOut.length ) : matcherOut ); if ( postFinder ) { postFinder( null, results, matcherOut, xml ); } else { push.apply( results, matcherOut ); } } }); }
function matcherFromTokens( tokens ) { var checkContext, matcher, j, len = tokens.length, leadingRelative = Expr.relative[ tokens[0].type ], implicitRelative = leadingRelative || Expr.relative[" "], i = leadingRelative ? 1 : 0,
// The foundational matcher ensures that elements are reachable from top-level context(s) matchContext = addCombinator( function( elem ) { return elem === checkContext; }, implicitRelative, true ), matchAnyContext = addCombinator( function( elem ) { return indexOf.call( checkContext, elem ) > -1; }, implicitRelative, true ), matchers = [ function( elem, context, xml ) { return ( !leadingRelative && ( xml || context !== outermostContext ) ) || ( (checkContext = context).nodeType ? matchContext( elem, context, xml ) : matchAnyContext( elem, context, xml ) ); } ];
for ( ; i < len; i++ ) { if ( (matcher = Expr.relative[ tokens[i].type ]) ) { matchers = [ addCombinator(elementMatcher( matchers ), matcher) ]; } else { matcher = Expr.filter[ tokens[i].type ].apply( null, tokens[i].matches );
// Return special upon seeing a positional matcher if ( matcher[ expando ] ) { // Find the next relative operator (if any) for proper handling j = ++i; for ( ; j < len; j++ ) { if ( Expr.relative[ tokens[j].type ] ) { break; } } return setMatcher( i > 1 && elementMatcher( matchers ), i > 1 && toSelector( tokens.slice( 0, i - 1 ) ).replace( rtrim, "$1" ), matcher, i < j && matcherFromTokens( tokens.slice( i, j ) ), j < len && matcherFromTokens( (tokens = tokens.slice( j )) ), j < len && toSelector( tokens ) ); } matchers.push( matcher ); } }
return elementMatcher( matchers ); }
function matcherFromGroupMatchers( elementMatchers, setMatchers ) { // A counter to specify which element is currently being matched var matcherCachedRuns = 0, bySet = setMatchers.length > 0, byElement = elementMatchers.length > 0, superMatcher = function( seed, context, xml, results, expandContext ) { var elem, j, matcher, setMatched = [], matchedCount = 0, i = "0", unmatched = seed && [], outermost = expandContext != null, contextBackup = outermostContext, // We must always have either seed elements or context elems = seed || byElement && Expr.find["TAG"]( "*", expandContext && context.parentNode || context ), // Use integer dirruns iff this is the outermost matcher dirrunsUnique = (dirruns += contextBackup == null ? 1 : Math.random() || 0.1);
if ( outermost ) { outermostContext = context !== document && context; cachedruns = matcherCachedRuns; }
// Add elements passing elementMatchers directly to results // Keep `i` a string if there are no elements so `matchedCount` will be "00" below for ( ; (elem = elems[i]) != null; i++ ) { if ( byElement && elem ) { j = 0; while ( (matcher = elementMatchers[j++]) ) { if ( matcher( elem, context, xml ) ) { results.push( elem ); break; } } if ( outermost ) { dirruns = dirrunsUnique; cachedruns = ++matcherCachedRuns; } }
// Track unmatched elements for set filters if ( bySet ) { // They will have gone through all possible matchers if ( (elem = !matcher && elem) ) { matchedCount--; }
// Lengthen the array for every element, matched or not if ( seed ) { unmatched.push( elem ); } } }
// Apply set filters to unmatched elements matchedCount += i; if ( bySet && i !== matchedCount ) { j = 0; while ( (matcher = setMatchers[j++]) ) { matcher( unmatched, setMatched, context, xml ); }
if ( seed ) { // Reintegrate element matches to eliminate the need for sorting if ( matchedCount > 0 ) { while ( i-- ) { if ( !(unmatched[i] || setMatched[i]) ) { setMatched[i] = pop.call( results ); } } }
// Discard index placeholder values to get only actual matches setMatched = condense( setMatched ); }
// Add matches to results push.apply( results, setMatched );
// Seedless set matches succeeding multiple successful matchers stipulate sorting if ( outermost && !seed && setMatched.length > 0 && ( matchedCount + setMatchers.length ) > 1 ) {
Sizzle.uniqueSort( results ); } }
// Override manipulation of globals by nested matchers if ( outermost ) { dirruns = dirrunsUnique; outermostContext = contextBackup; }
return unmatched; };
return bySet ? markFunction( superMatcher ) : superMatcher; }
compile = Sizzle.compile = function( selector, group /* Internal Use Only */ ) { var i, setMatchers = [], elementMatchers = [], cached = compilerCache[ selector + " " ];
if ( !cached ) { // Generate a function of recursive functions that can be used to check each element if ( !group ) { group = tokenize( selector ); } i = group.length; while ( i-- ) { cached = matcherFromTokens( group[i] ); if ( cached[ expando ] ) { setMatchers.push( cached ); } else { elementMatchers.push( cached ); } }
// Cache the compiled function cached = compilerCache( selector, matcherFromGroupMatchers( elementMatchers, setMatchers ) ); } return cached; };
function multipleContexts( selector, contexts, results ) { var i = 0, len = contexts.length; for ( ; i < len; i++ ) { Sizzle( selector, contexts[i], results ); } return results; }
function select( selector, context, results, seed ) { var i, tokens, token, type, find, match = tokenize( selector );
if ( !seed ) { // Try to minimize operations if there is only one group if ( match.length === 1 ) {
// Take a shortcut and set the context if the root selector is an ID tokens = match[0] = match[0].slice( 0 ); if ( tokens.length > 2 && (token = tokens[0]).type === "ID" && context.nodeType === 9 && !documentIsXML && Expr.relative[ tokens[1].type ] ) {
context = Expr.find["ID"]( token.matches[0].replace( runescape, funescape ), context )[0]; if ( !context ) { return results; }
selector = selector.slice( tokens.shift().value.length ); }
// Fetch a seed set for right-to-left matching i = matchExpr["needsContext"].test( selector ) ? 0 : tokens.length; while ( i-- ) { token = tokens[i];
// Abort if we hit a combinator if ( Expr.relative[ (type = token.type) ] ) { break; } if ( (find = Expr.find[ type ]) ) { // Search, expanding context for leading sibling combinators if ( (seed = find( token.matches[0].replace( runescape, funescape ), rsibling.test( tokens[0].type ) && context.parentNode || context )) ) {
// If seed is empty or no tokens remain, we can return early tokens.splice( i, 1 ); selector = seed.length && toSelector( tokens ); if ( !selector ) { push.apply( results, slice.call( seed, 0 ) ); return results; }
break; } } } } }
// Compile and execute a filtering function // Provide `match` to avoid retokenization if we modified the selector above compile( selector, match )( seed, context, documentIsXML, results, rsibling.test( selector ) ); return results; }
// Deprecated Expr.pseudos["nth"] = Expr.pseudos["eq"];
// Easy API for creating new setFilters function setFilters() {} Expr.filters = setFilters.prototype = Expr.pseudos; Expr.setFilters = new setFilters();
// Initialize with the default document setDocument();
// 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, ret, self, len = this.length;
if ( typeof selector !== "string" ) { self = this; return this.pushStack( jQuery( selector ).filter(function() { for ( i = 0; i < len; i++ ) { if ( jQuery.contains( self[ i ], this ) ) { return true; } } }) ); }
ret = []; for ( i = 0; i < len; i++ ) { jQuery.find( selector, this[ i ], ret ); }
// Needed because $( selector, context ) becomes $( context ).find( selector ) ret = this.pushStack( len > 1 ? jQuery.unique( ret ) : ret ); ret.selector = ( this.selector ? this.selector + " " : "" ) + selector; 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) ); },
filter: function( selector ) { return this.pushStack( winnow(this, selector, true) ); },
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; } }
return this.pushStack( ret.length > 1 ? jQuery.unique( ret ) : ret ); },
// Determine the position of an element within // the matched set of elements index: function( elem ) {
// No argument, return index in parent if ( !elem ) { return ( this[0] && this[0].parentNode ) ? this.first().prevAll().length : -1; }
// index in selector if ( typeof elem === "string" ) { return jQuery.inArray( this[0], jQuery( elem ) ); }
// Locate the position of the desired element return jQuery.inArray( // If it receives a jQuery object, the first element is used elem.jquery ? elem[0] : elem, this ); },
add: function( selector, context ) { var set = typeof selector === "string" ? jQuery( selector, context ) : jQuery.makeArray( selector && selector.nodeType ? [ selector ] : selector ), all = jQuery.merge( this.get(), set );
return this.pushStack( jQuery.unique(all) ); },
addBack: function( selector ) { return this.add( selector == null ? this.prevObject : this.prevObject.filter(selector) ); } });
jQuery.fn.andSelf = jQuery.fn.addBack;
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 ); }; });
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 ) { 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 ) { 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, rnoshimcache = new RegExp("<(?:" + nodeNames + ")[\\s/>]", "i"), rleadingWhitespace = /^\s+/, rxhtmlTag = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([\w:]+)[^>]*)\/>/gi, rtagName = /<([\w:]+)/, rtbody = /<tbody/i, rhtml = /<|&#?\w+;/, rnoInnerhtml = /<(?:script|style|link)/i, manipulation_rcheckableType = /^(?:checkbox|radio)$/i, // checked="checked" or checked rchecked = /checked\s*(?:[^=]|=\s*.checked.)/i, rscriptType = /^$|\/(?:java|ecma)script/i, rscriptTypeMasked = /^true\/(.*)/, rcleanScript = /^\s*<!(?:\[CDATA\[|--)|(?:\]\]|--)>\s*$/g,
// We have to close these tags to support XHTML (#13200) wrapMap = { option: [ 1, "<select multiple='multiple'>", "</select>" ], legend: [ 1, "<fieldset>", "</fieldset>" ], area: [ 1, "<map>", "</map>" ], param: [ 1, "<object>", "</object>" ],
thead: [ 1, "// IE6-8 can't serialize link, script, style, or any html5 (NoScope) tags, // unless wrapped in a div with non-breaking characters in front of it.
_default: jQuery.support.htmlSerialize ? [ 0, "", "" ] : [ 1, "X}, safeFragment = createSafeFragment( document ), fragmentDiv = safeFragment.appendChild( document.createElement("div") );
wrapMap.optgroup = wrapMap.option; wrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead; wrapMap.th = wrapMap.td;
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.nodeType === 9 ) { this.appendChild( elem ); } }); },
prepend: function() { return this.domManip(arguments, true, function( elem ) { if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) { this.insertBefore( elem, this.firstChild ); } }); },
before: function() { return this.domManip( arguments, false, function( elem ) { if ( this.parentNode ) { this.parentNode.insertBefore( elem, this ); } }); },
after: function() { return this.domManip( arguments, false, function( elem ) { if ( this.parentNode ) { this.parentNode.insertBefore( elem, this.nextSibling ); } }); },
// 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 > 0 ) { if ( !keepData && elem.nodeType === 1 ) { jQuery.cleanData( getAll( elem ) ); }
if ( elem.parentNode ) { if ( keepData && jQuery.contains( elem.ownerDocument, elem ) ) { setGlobalEval( getAll( elem, "script" ) ); } 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( getAll( elem, false ) ); }
// Remove any remaining nodes while ( elem.firstChild ) { elem.removeChild( elem.firstChild ); }
// If this is a select, ensure that it displays empty (#12336) // Support: IE<9 if ( elem.options && jQuery.nodeName( elem, "select" ) ) { elem.options.length = 0; } }
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( getAll( elem, false ) ); 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 ) { var isFunc = jQuery.isFunction( value );
// 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 ( !isFunc && typeof value !== "string" ) { value = jQuery( value ).not( this ).detach(); }
return this.domManip( [ value ], true, function( elem ) { var next = this.nextSibling, parent = this.parentNode;
if ( parent ) { jQuery( this ).remove(); parent.insertBefore( elem, next ); } }); },
detach: function( selector ) { return this.remove( selector, true ); },
domManip: function( args, table, callback ) {
// Flatten any nested arrays args = core_concat.apply( [], args );
var first, node, hasScripts, scripts, doc, fragment, i = 0, l = this.length, set = this, iNoClone = l - 1, value = args[0], isFunction = jQuery.isFunction( value );
// We can't cloneNode fragments that contain checked, in WebKit if ( isFunction || !( l <= 1 || typeof value !== "string" || jQuery.support.checkClone || !rchecked.test( value ) ) ) { return this.each(function( index ) { var self = set.eq( index ); if ( isFunction ) { args[0] = value.call( this, index, table ? self.html() : undefined ); } self.domManip( args, table, callback ); }); }
if ( l ) { fragment = jQuery.buildFragment( args, this[ 0 ].ownerDocument, false, this ); first = fragment.firstChild;
if ( fragment.childNodes.length === 1 ) { fragment = first; }
if ( first ) { table = table && jQuery.nodeName( first, "tr" ); scripts = jQuery.map( getAll( fragment, "script" ), disableScript ); hasScripts = scripts.length;
// Use the original fragment for the last item instead of the first because it can end up // being emptied incorrectly in certain situations (#8070). for ( ; i < l; i++ ) { node = fragment;
if ( i !== iNoClone ) { node = jQuery.clone( node, true, true );
// Keep references to cloned scripts for later restoration if ( hasScripts ) { jQuery.merge( scripts, getAll( node, "script" ) ); } }
callback.call( table && jQuery.nodeName( this[i], "table" ) ? findOrAppend( this[i], "tbody" ) : this[i], node, i ); }
if ( hasScripts ) { doc = scripts[ scripts.length - 1 ].ownerDocument;
// Reenable scripts jQuery.map( scripts, restoreScript );
// Evaluate executable scripts on first document insertion for ( i = 0; i < hasScripts; i++ ) { node = scripts[ i ]; if ( rscriptType.test( node.type || "" ) && !jQuery._data( node, "globalEval" ) && jQuery.contains( doc, node ) ) {
if ( node.src ) { // Hope ajax is available... jQuery.ajax({ url: node.src, type: "GET", dataType: "script", async: false, global: false, "throws": true }); } else { jQuery.globalEval( ( node.text || node.textContent || node.innerHTML || "" ).replace( rcleanScript, "" ) ); } } } }
// Fix #11809: Avoid leaking memory fragment = first = null; } }
return this; } });
function findOrAppend( elem, tag ) { return elem.getElementsByTagName( tag )[0] || elem.appendChild( elem.ownerDocument.createElement( tag ) ); }
// Replace/restore the type attribute of script elements for safe DOM manipulation function disableScript( elem ) { var attr = elem.getAttributeNode("type"); elem.type = ( attr && attr.specified ) + "/" + elem.type; return elem; } function restoreScript( elem ) { var match = rscriptTypeMasked.exec( elem.type ); if ( match ) { elem.type = match[1]; } else { elem.removeAttribute("type"); } return elem; }
// Mark scripts as having already been evaluated function setGlobalEval( elems, refElements ) { var elem, i = 0; for ( ; (elem = elems[i]) != null; i++ ) { jQuery._data( elem, "globalEval", !refElements || jQuery._data( refElements[i], "globalEval" ) ); } }
function cloneCopyEvent( src, dest ) {
if ( dest.nodeType !== 1 || !jQuery.hasData( src ) ) { return; }
var type, i, l, oldData = jQuery._data( src ), curData = jQuery._data( dest, oldData ), events = oldData.events;
if ( events ) { delete curData.handle; curData.events = {};
for ( type in events ) { for ( i = 0, l = events[ type ].length; i < l; i++ ) { jQuery.event.add( dest, type, events[ type ][ i ] ); } } }
// make the cloned public data object a copy from the original if ( curData.data ) { curData.data = jQuery.extend( {}, curData.data ); } }
function fixCloneNodeIssues( src, dest ) { var nodeName, e, data;
// We do not need to do anything for non-Elements if ( dest.nodeType !== 1 ) { return; }
nodeName = dest.nodeName.toLowerCase();
// IE6-8 copies events bound via attachEvent when using cloneNode. if ( !jQuery.support.noCloneEvent && dest[ jQuery.expando ] ) { data = jQuery._data( dest );
for ( e in data.events ) { jQuery.removeEvent( dest, e, data.handle ); }
// Event data gets referenced instead of copied if the expando gets copied too dest.removeAttribute( jQuery.expando ); }
// IE blanks contents when cloning scripts, and tries to evaluate newly-set text if ( nodeName === "script" && dest.text !== src.text ) { disableScript( dest ).text = src.text; restoreScript( dest );
// IE6-10 improperly clones children of object elements using classid. // IE10 throws NoModificationAllowedError if parent is null, #12132. } else if ( nodeName === "object" ) { if ( dest.parentNode ) { dest.outerHTML = src.outerHTML; }
// This path appears unavoidable for IE9. When cloning an object // element in IE9, the outerHTML strategy above is not sufficient. // If the src has innerHTML and the destination does not, // copy the src.innerHTML into the dest.innerHTML. #10324 if ( jQuery.support.html5Clone && ( src.innerHTML && !jQuery.trim(dest.innerHTML) ) ) { dest.innerHTML = src.innerHTML; }
} else if ( nodeName === "input" && manipulation_rcheckableType.test( src.type ) ) { // IE6-8 fails to persist the checked state of a cloned checkbox // or radio button. Worse, IE6-7 fail to give the cloned element // a checked appearance if the defaultChecked value isn't also set
dest.defaultChecked = dest.checked = src.checked;
// IE6-7 get confused and end up setting the value of a cloned // checkbox/radio button to an empty string instead of "on" if ( dest.value !== src.value ) { dest.value = src.value; }
// IE6-8 fails to return the selected option to the default selected // state when cloning options } else if ( nodeName === "option" ) { dest.defaultSelected = dest.selected = src.defaultSelected;
// IE6-8 fails to set the defaultValue to the correct value when // cloning other types of input fields } else if ( nodeName === "input" || nodeName === "textarea" ) { dest.defaultValue = src.defaultValue; } }
jQuery.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 ), last = insert.length - 1;
for ( ; i <= last; i++ ) { elems = i === last ? this : this.clone(true); jQuery( insert[i] )[ original ]( elems );
// Modern browsers can apply jQuery collections as arrays, but oldIE needs a .get() core_push.apply( ret, elems.get() ); }
return this.pushStack( ret ); }; });
function getAll( context, tag ) { var elems, elem, i = 0, found = typeof context.getElementsByTagName !== core_strundefined ? context.getElementsByTagName( tag || "*" ) : typeof context.querySelectorAll !== core_strundefined ? context.querySelectorAll( tag || "*" ) : undefined;
if ( !found ) { for ( found = [], elems = context.childNodes || context; (elem = elems[i]) != null; i++ ) { if ( !tag || jQuery.nodeName( elem, tag ) ) { found.push( elem ); } else { jQuery.merge( found, getAll( elem, tag ) ); } } }
return tag === undefined || tag && jQuery.nodeName( context, tag ) ? jQuery.merge( [ context ], found ) : found; }
// Used in buildFragment, fixes the defaultChecked property function fixDefaultChecked( elem ) { if ( manipulation_rcheckableType.test( elem.type ) ) { elem.defaultChecked = elem.checked; } }
jQuery.extend({ clone: function( elem, dataAndEvents, deepDataAndEvents ) { var destElements, node, clone, i, srcElements, inPage = jQuery.contains( elem.ownerDocument, elem );
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) ) {
// We eschew Sizzle here for performance reasons: http://jsperf.com/getall-vs-sizzle/2 destElements = getAll( clone ); srcElements = getAll( elem );
// Fix all IE cloning issues for ( i = 0; (node = srcElements[i]) != null; ++i ) { // Ensure that the destination node is not null; Fixes #9587 if ( destElements[i] ) { fixCloneNodeIssues( node, destElements[i] ); } } }
// Copy the events from the original to the clone if ( dataAndEvents ) { if ( deepDataAndEvents ) { srcElements = srcElements || getAll( elem ); destElements = destElements || getAll( clone );
for ( i = 0; (node = srcElements[i]) != null; i++ ) { cloneCopyEvent( node, destElements[i] ); } } else { cloneCopyEvent( elem, clone ); } }
// Preserve script evaluation history destElements = getAll( clone, "script" ); if ( destElements.length > 0 ) { setGlobalEval( destElements, !inPage && getAll( elem, "script" ) ); }
destElements = srcElements = node = null;
// Return the cloned set return clone; },
buildFragment: function( elems, context, scripts, selection ) { var j, elem, contains, tmp, tag, tbody, wrap, l = elems.length,
// Ensure a safe fragment safe = createSafeFragment( context ),
nodes = [], i = 0;
for ( ; i < l; i++ ) { elem = elems[ i ];
if ( elem || elem === 0 ) {
// Add nodes directly if ( jQuery.type( elem ) === "object" ) { jQuery.merge( nodes, elem.nodeType ? [ elem ] : elem );
// Convert non-html into a text node } else if ( !rhtml.test( elem ) ) { nodes.push( context.createTextNode( elem ) );
// Convert html into DOM nodes } else { tmp = tmp || safe.appendChild( context.createElement("div") );
// Deserialize a standard representation tag = ( rtagName.exec( elem ) || ["", ""] )[1].toLowerCase(); wrap = wrapMap[ tag ] || wrapMap._default;
tmp.innerHTML = wrap[1] + elem.replace( rxhtmlTag, "<$1></$2>" ) + wrap[2];
// Descend through wrappers to the right content j = wrap[0]; while ( j-- ) { tmp = tmp.lastChild; }
// Manually add leading whitespace removed by IE if ( !jQuery.support.leadingWhitespace && rleadingWhitespace.test( elem ) ) { nodes.push( context.createTextNode( rleadingWhitespace.exec( elem )[0] ) ); }
// Remove IE's autoinserted <tbody> from table fragments if ( !jQuery.support.tbody ) {
// String was a