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/*! | |
* jQuery JavaScript Library v2.1.1pre | |
* http://jquery.com/ | |
* | |
* Includes Sizzle.js | |
* http://sizzlejs.com/ | |
* | |
* Copyright 2005, 2014 jQuery Foundation, Inc. and other contributors | |
* Released under the MIT license | |
* http://jquery.org/license | |
* | |
* Date: 2014-01-30T21:00Z | |
*/ | |
(function( global, factory ) { | |
if ( typeof module === "object" && typeof module.exports === "object" ) { | |
// For CommonJS and CommonJS-like environments where a proper window is present, | |
// execute the factory and get jQuery | |
// For environments that do not inherently posses a window with a document | |
// (such as Node.js), expose a jQuery-making factory as module.exports | |
// This accentuates the need for the creation of a real window | |
// e.g. var jQuery = require("jquery")(window); | |
// See ticket #14549 for more info | |
module.exports = global.document ? | |
factory( global, true ) : | |
function( w ) { | |
if ( !w.document ) { | |
throw new Error( "jQuery requires a window with a document" ); | |
} | |
return factory( w ); | |
}; | |
} else { | |
factory( global ); | |
} | |
// Pass this if window is not defined yet | |
}(typeof window !== "undefined" ? window : this, function( window, noGlobal ) { | |
// Can't do this because several apps including ASP.NET trace | |
// the stack via arguments.caller.callee and Firefox dies if | |
// you try to trace through "use strict" call chains. (#13335) | |
// Support: Firefox 18+ | |
// | |
var arr = []; | |
var slice = arr.slice; | |
var concat = arr.concat; | |
var push = arr.push; | |
var indexOf = arr.indexOf; | |
var class2type = {}; | |
var toString = class2type.toString; | |
var hasOwn = class2type.hasOwnProperty; | |
var trim = "".trim; | |
var support = {}; | |
var | |
// Use the correct document accordingly with window argument (sandbox) | |
document = window.document, | |
version = "2.1.1pre", | |
// Define a local copy of jQuery | |
jQuery = function( selector, context ) { | |
// The jQuery object is actually just the init constructor 'enhanced' | |
// Need init if jQuery is called (just allow error to be thrown if not included) | |
return new jQuery.fn.init( selector, context ); | |
}, | |
// Matches dashed string for camelizing | |
rmsPrefix = /^-ms-/, | |
rdashAlpha = /-([\da-z])/gi, | |
// Used by jQuery.camelCase as callback to replace() | |
fcamelCase = function( all, letter ) { | |
return letter.toUpperCase(); | |
}; | |
jQuery.fn = jQuery.prototype = { | |
// The current version of jQuery being used | |
jquery: version, | |
constructor: jQuery, | |
// Start with an empty selector | |
selector: "", | |
// The default length of a jQuery object is 0 | |
length: 0, | |
toArray: function() { | |
return slice.call( this ); | |
}, | |
// Get the Nth element in the matched element set OR | |
// Get the whole matched element set as a clean array | |
get: function( num ) { | |
return num != null ? | |
// Return a 'clean' array | |
( num < 0 ? this[ num + this.length ] : this[ num ] ) : | |
// Return just the object | |
slice.call( this ); | |
}, | |
// Take an array of elements and push it onto the stack | |
// (returning the new matched element set) | |
pushStack: function( elems ) { | |
// Build a new jQuery matched element set | |
var ret = jQuery.merge( this.constructor(), elems ); | |
// Add the old object onto the stack (as a reference) | |
ret.prevObject = this; | |
ret.context = this.context; | |
// Return the newly-formed element set | |
return ret; | |
}, | |
// Execute a callback for every element in the matched set. | |
// (You can seed the arguments with an array of args, but this is | |
// only used internally.) | |
each: function( callback, args ) { | |
return jQuery.each( this, callback, args ); | |
}, | |
map: function( callback ) { | |
return this.pushStack( jQuery.map(this, function( elem, i ) { | |
return callback.call( elem, i, elem ); | |
})); | |
}, | |
slice: function() { | |
return this.pushStack( slice.apply( this, arguments ) ); | |
}, | |
first: function() { | |
return this.eq( 0 ); | |
}, | |
last: function() { | |
return this.eq( -1 ); | |
}, | |
eq: function( i ) { | |
var len = this.length, | |
j = +i + ( i < 0 ? len : 0 ); | |
return this.pushStack( j >= 0 && j < len ? [ this[j] ] : [] ); | |
}, | |
end: function() { | |
return this.prevObject || this.constructor(null); | |
}, | |
// For internal use only. | |
// Behaves like an Array's method, not like a jQuery method. | |
push: push, | |
sort: arr.sort, | |
splice: arr.splice | |
}; | |
jQuery.extend = jQuery.fn.extend = function() { | |
var options, name, src, copy, copyIsArray, clone, | |
target = arguments[0] || {}, | |
i = 1, | |
length = arguments.length, | |
deep = false; | |
// Handle a deep copy situation | |
if ( typeof target === "boolean" ) { | |
deep = target; | |
// skip the boolean and the target | |
target = arguments[ i ] || {}; | |
i++; | |
} | |
// Handle case when target is a string or something (possible in deep copy) | |
if ( typeof target !== "object" && !jQuery.isFunction(target) ) { | |
target = {}; | |
} | |
// extend jQuery itself if only one argument is passed | |
if ( i === length ) { | |
target = this; | |
i--; | |
} | |
for ( ; i < length; i++ ) { | |
// Only deal with non-null/undefined values | |
if ( (options = arguments[ i ]) != null ) { | |
// Extend the base object | |
for ( name in options ) { | |
src = target[ name ]; | |
copy = options[ name ]; | |
// Prevent never-ending loop | |
if ( target === copy ) { | |
continue; | |
} | |
// Recurse if we're merging plain objects or arrays | |
if ( deep && copy && ( jQuery.isPlainObject(copy) || (copyIsArray = jQuery.isArray(copy)) ) ) { | |
if ( copyIsArray ) { | |
copyIsArray = false; | |
clone = src && jQuery.isArray(src) ? src : []; | |
} else { | |
clone = src && jQuery.isPlainObject(src) ? src : {}; | |
} | |
// Never move original objects, clone them | |
target[ name ] = jQuery.extend( deep, clone, copy ); | |
// Don't bring in undefined values | |
} else if ( copy !== undefined ) { | |
target[ name ] = copy; | |
} | |
} | |
} | |
} | |
// Return the modified object | |
return target; | |
}; | |
jQuery.extend({ | |
// Unique for each copy of jQuery on the page | |
expando: "jQuery" + ( version + Math.random() ).replace( /\D/g, "" ), | |
// Assume jQuery is ready without the ready module | |
isReady: true, | |
error: function( msg ) { | |
throw new Error( msg ); | |
}, | |
noop: function() {}, | |
// See test/unit/core.js for details concerning isFunction. | |
// Since version 1.3, DOM methods and functions like alert | |
// aren't supported. They return false on IE (#2968). | |
isFunction: function( obj ) { | |
return jQuery.type(obj) === "function"; | |
}, | |
isArray: Array.isArray, | |
isWindow: function( obj ) { | |
return obj != null && obj === obj.window; | |
}, | |
isNumeric: function( obj ) { | |
// parseFloat NaNs numeric-cast false positives (null|true|false|"") | |
// ...but misinterprets leading-number strings, particularly hex literals ("0x...") | |
// subtraction forces infinities to NaN | |
return obj - parseFloat( obj ) >= 0; | |
}, | |
isPlainObject: function( obj ) { | |
// Not plain objects: | |
// - Any object or value whose internal [[Class]] property is not "[object Object]" | |
// - DOM nodes | |
// - window | |
if ( jQuery.type( obj ) !== "object" || obj.nodeType || jQuery.isWindow( obj ) ) { | |
return false; | |
} | |
// Support: Firefox <20 | |
// The try/catch suppresses exceptions thrown when attempting to access | |
// the "constructor" property of certain host objects, ie. |window.location| | |
// https://bugzilla.mozilla.org/show_bug.cgi?id=814622 | |
try { | |
if ( obj.constructor && | |
!hasOwn.call( obj.constructor.prototype, "isPrototypeOf" ) ) { | |
return false; | |
} | |
} catch ( e ) { | |
return false; | |
} | |
// If the function hasn't returned already, we're confident that | |
// |obj| is a plain object, created by {} or constructed with new Object | |
return true; | |
}, | |
isEmptyObject: function( obj ) { | |
var name; | |
for ( name in obj ) { | |
return false; | |
} | |
return true; | |
}, | |
type: function( obj ) { | |
if ( obj == null ) { | |
return obj + ""; | |
} | |
// Support: Android < 4.0, iOS < 6 (functionish RegExp) | |
return typeof obj === "object" || typeof obj === "function" ? | |
class2type[ toString.call(obj) ] || "object" : | |
typeof obj; | |
}, | |
// Evaluates a script in a global context | |
globalEval: function( code ) { | |
var script, | |
indirect = eval; | |
code = jQuery.trim( code ); | |
if ( code ) { | |
// If the code includes a valid, prologue position | |
// strict mode pragma, execute code by injecting a | |
// script tag into the document. | |
if ( code.indexOf("use strict") === 1 ) { | |
script = document.createElement("script"); | |
script.text = code; | |
document.head.appendChild( script ).parentNode.removeChild( script ); | |
} else { | |
// Otherwise, avoid the DOM node creation, insertion | |
// and removal by using an indirect global eval | |
indirect( code ); | |
} | |
} | |
}, | |
// 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; | |
}, | |
trim: function( text ) { | |
return text == null ? "" : trim.call( text ); | |
}, | |
// results is for internal usage only | |
makeArray: function( arr, results ) { | |
var ret = results || []; | |
if ( arr != null ) { | |
if ( isArraylike( Object(arr) ) ) { | |
jQuery.merge( ret, | |
typeof arr === "string" ? | |
[ arr ] : arr | |
); | |
} else { | |
push.call( ret, arr ); | |
} | |
} | |
return ret; | |
}, | |
inArray: function( elem, arr, i ) { | |
return arr == null ? -1 : indexOf.call( arr, elem, i ); | |
}, | |
merge: function( first, second ) { | |
var len = +second.length, | |
j = 0, | |
i = first.length; | |
for ( ; j < len; j++ ) { | |
first[ i++ ] = second[ j ]; | |
} | |
first.length = i; | |
return first; | |
}, | |
grep: function( elems, callback, invert ) { | |
var callbackInverse, | |
matches = [], | |
i = 0, | |
length = elems.length, | |
callbackExpect = !invert; | |
// Go through the array, only saving the items | |
// that pass the validator function | |
for ( ; i < length; i++ ) { | |
callbackInverse = !callback( elems[ i ], i ); | |
if ( callbackInverse !== callbackExpect ) { | |
matches.push( elems[ i ] ); | |
} | |
} | |
return matches; | |
}, | |
// arg is for internal usage only | |
map: function( elems, callback, arg ) { | |
var value, | |
i = 0, | |
length = elems.length, | |
isArray = isArraylike( elems ), | |
ret = []; | |
// Go through the array, translating each of the items to their new values | |
if ( isArray ) { | |
for ( ; i < length; i++ ) { | |
value = callback( elems[ i ], i, arg ); | |
if ( value != null ) { | |
ret.push( value ); | |
} | |
} | |
// Go through every key on the object, | |
} else { | |
for ( i in elems ) { | |
value = callback( elems[ i ], i, arg ); | |
if ( value != null ) { | |
ret.push( value ); | |
} | |
} | |
} | |
// Flatten any nested arrays | |
return concat.apply( [], ret ); | |
}, | |
// A global GUID counter for objects | |
guid: 1, | |
// Bind a function to a context, optionally partially applying any | |
// arguments. | |
proxy: function( fn, context ) { | |
var tmp, args, proxy; | |
if ( typeof context === "string" ) { | |
tmp = fn[ context ]; | |
context = fn; | |
fn = tmp; | |
} | |
// Quick check to determine if target is callable, in the spec | |
// this throws a TypeError, but we will just return undefined. | |
if ( !jQuery.isFunction( fn ) ) { | |
return undefined; | |
} | |
// Simulated bind | |
args = slice.call( arguments, 2 ); | |
proxy = function() { | |
return fn.apply( context || this, args.concat( slice.call( arguments ) ) ); | |
}; | |
// Set the guid of unique handler to the same of original handler, so it can be removed | |
proxy.guid = fn.guid = fn.guid || jQuery.guid++; | |
return proxy; | |
}, | |
now: Date.now, | |
// jQuery.support is not used in Core but other projects attach their | |
// properties to it so it needs to exist. | |
support: support | |
}); | |
// Populate the class2type map | |
jQuery.each("Boolean Number String Function Array Date RegExp Object Error".split(" "), function(i, name) { | |
class2type[ "[object " + name + "]" ] = name.toLowerCase(); | |
}); | |
function isArraylike( obj ) { | |
var length = obj.length, | |
type = jQuery.type( obj ); | |
if ( type === "function" || jQuery.isWindow( obj ) ) { | |
return false; | |
} | |
if ( obj.nodeType === 1 && length ) { | |
return true; | |
} | |
return type === "array" || length === 0 || | |
typeof length === "number" && length > 0 && ( length - 1 ) in obj; | |
} | |
var Sizzle = | |
/*! | |
* Sizzle CSS Selector Engine v1.10.16 | |
* http://sizzlejs.com/ | |
* | |
* Copyright 2013 jQuery Foundation, Inc. and other contributors | |
* Released under the MIT license | |
* http://jquery.org/license | |
* | |
* Date: 2014-01-13 | |
*/ | |
(function( window ) { | |
var i, | |
support, | |
Expr, | |
getText, | |
isXML, | |
compile, | |
outermostContext, | |
sortInput, | |
hasDuplicate, | |
// Local document vars | |
setDocument, | |
document, | |
docElem, | |
documentIsHTML, | |
rbuggyQSA, | |
rbuggyMatches, | |
matches, | |
contains, | |
// Instance-specific data | |
expando = "sizzle" + -(new Date()), | |
preferredDoc = window.document, | |
dirruns = 0, | |
done = 0, | |
classCache = createCache(), | |
tokenCache = createCache(), | |
compilerCache = createCache(), | |
sortOrder = function( a, b ) { | |
if ( a === b ) { | |
hasDuplicate = true; | |
} | |
return 0; | |
}, | |
// General-purpose constants | |
strundefined = typeof undefined, | |
MAX_NEGATIVE = 1 << 31, | |
// Instance methods | |
hasOwn = ({}).hasOwnProperty, | |
arr = [], | |
pop = arr.pop, | |
push_native = arr.push, | |
push = arr.push, | |
slice = arr.slice, | |
// Use a stripped-down indexOf if we can't use a native one | |
indexOf = arr.indexOf || function( elem ) { | |
var i = 0, | |
len = this.length; | |
for ( ; i < len; i++ ) { | |
if ( this[i] === elem ) { | |
return i; | |
} | |
} | |
return -1; | |
}, | |
booleans = "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|ismap|loop|multiple|open|readonly|required|scoped", | |
// Regular expressions | |
// Whitespace characters http://www.w3.org/TR/css3-selectors/#whitespace | |
whitespace = "[\\x20\\t\\r\\n\\f]", | |
// http://www.w3.org/TR/css3-syntax/#characters | |
characterEncoding = "(?:\\\\.|[\\w-]|[^\\x00-\\xa0])+", | |
// Loosely modeled on CSS identifier characters | |
// An unquoted value should be a CSS identifier http://www.w3.org/TR/css3-selectors/#attribute-selectors | |
// Proper syntax: http://www.w3.org/TR/CSS21/syndata.html#value-def-identifier | |
identifier = characterEncoding.replace( "w", "w#" ), | |
// Acceptable operators http://www.w3.org/TR/selectors/#attribute-selectors | |
attributes = "\\[" + whitespace + "*(" + characterEncoding + ")" + whitespace + | |
"*(?:([*^$|!~]?=)" + whitespace + "*(?:(['\"])((?:\\\\.|[^\\\\])*?)\\3|(" + identifier + ")|)|)" + whitespace + "*\\]", | |
// Prefer arguments quoted, | |
// then not containing pseudos/brackets, | |
// then attribute selectors/non-parenthetical expressions, | |
// then anything else | |
// These preferences are here to reduce the number of selectors | |
// needing tokenize in the PSEUDO preFilter | |
pseudos = ":(" + characterEncoding + ")(?:\\(((['\"])((?:\\\\.|[^\\\\])*?)\\3|((?:\\\\.|[^\\\\()[\\]]|" + attributes.replace( 3, 8 ) + ")*)|.*)\\)|)", | |
// Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter | |
rtrim = new RegExp( "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" + whitespace + "+$", "g" ), | |
rcomma = new RegExp( "^" + whitespace + "*," + whitespace + "*" ), | |
rcombinators = new RegExp( "^" + whitespace + "*([>+~]|" + whitespace + ")" + whitespace + "*" ), | |
rattributeQuotes = new RegExp( "=" + whitespace + "*([^\\]'\"]*?)" + whitespace + "*\\]", "g" ), | |
rpseudo = new RegExp( pseudos ), | |
ridentifier = new RegExp( "^" + identifier + "$" ), | |
matchExpr = { | |
"ID": new RegExp( "^#(" + characterEncoding + ")" ), | |
"CLASS": new RegExp( "^\\.(" + characterEncoding + ")" ), | |
"TAG": new RegExp( "^(" + characterEncoding.replace( "w", "w*" ) + ")" ), | |
"ATTR": new RegExp( "^" + attributes ), | |
"PSEUDO": new RegExp( "^" + pseudos ), | |
"CHILD": new RegExp( "^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" + whitespace + | |
"*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" + whitespace + | |
"*(\\d+)|))" + whitespace + "*\\)|)", "i" ), | |
"bool": new RegExp( "^(?:" + booleans + ")$", "i" ), | |
// For use in libraries implementing .is() | |
// We use this for POS matching in `select` | |
"needsContext": new RegExp( "^" + whitespace + "*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" + | |
whitespace + "*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i" ) | |
}, | |
rinputs = /^(?:input|select|textarea|button)$/i, | |
rheader = /^h\d$/i, | |
rnative = /^[^{]+\{\s*\[native \w/, | |
// Easily-parseable/retrievable ID or TAG or CLASS selectors | |
rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/, | |
rsibling = /[+~]/, | |
rescape = /'|\\/g, | |
// CSS escapes http://www.w3.org/TR/CSS21/syndata.html#escaped-characters | |
runescape = new RegExp( "\\\\([\\da-f]{1,6}" + whitespace + "?|(" + whitespace + ")|.)", "ig" ), | |
funescape = function( _, escaped, escapedWhitespace ) { | |
var high = "0x" + escaped - 0x10000; | |
// NaN means non-codepoint | |
// Support: Firefox | |
// Workaround erroneous numeric interpretation of +"0x" | |
return high !== high || escapedWhitespace ? | |
escaped : | |
high < 0 ? | |
// BMP codepoint | |
String.fromCharCode( high + 0x10000 ) : | |
// Supplemental Plane codepoint (surrogate pair) | |
String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 ); | |
}; | |
// Optimize for push.apply( _, NodeList ) | |
try { | |
push.apply( | |
(arr = slice.call( preferredDoc.childNodes )), | |
preferredDoc.childNodes | |
); | |
// Support: Android<4.0 | |
// Detect silently failing push.apply | |
arr[ preferredDoc.childNodes.length ].nodeType; | |
} catch ( e ) { | |
push = { apply: arr.length ? | |
// Leverage slice if possible | |
function( target, els ) { | |
push_native.apply( target, slice.call(els) ); | |
} : | |
// Support: IE<9 | |
// Otherwise append directly | |
function( target, els ) { | |
var j = target.length, | |
i = 0; | |
// Can't trust NodeList.length | |
while ( (target[j++] = els[i++]) ) {} | |
target.length = j - 1; | |
} | |
}; | |
} | |
function Sizzle( selector, context, results, seed ) { | |
var match, elem, m, nodeType, | |
// QSA vars | |
i, groups, old, nid, newContext, newSelector; | |
if ( ( context ? context.ownerDocument || context : preferredDoc ) !== document ) { | |
setDocument( context ); | |
} | |
context = context || document; | |
results = results || []; | |
if ( !selector || typeof selector !== "string" ) { | |
return results; | |
} | |
if ( (nodeType = context.nodeType) !== 1 && nodeType !== 9 ) { | |
return []; | |
} | |
if ( documentIsHTML && !seed ) { | |
// Shortcuts | |
if ( (match = rquickExpr.exec( selector )) ) { | |
// Speed-up: Sizzle("#ID") | |
if ( (m = match[1]) ) { | |
if ( nodeType === 9 ) { | |
elem = context.getElementById( m ); | |
// Check parentNode to catch when Blackberry 4.6 returns | |
// nodes that are no longer in the document (jQuery #6963) | |
if ( elem && elem.parentNode ) { | |
// Handle the case where IE, Opera, and Webkit return items | |
// by name instead of ID | |
if ( elem.id === m ) { | |
results.push( elem ); | |
return results; | |
} | |
} else { | |
return results; | |
} | |
} else { | |
// Context is not a document | |
if ( context.ownerDocument && (elem = context.ownerDocument.getElementById( m )) && | |
contains( context, elem ) && elem.id === m ) { | |
results.push( elem ); | |
return results; | |
} | |
} | |
// Speed-up: Sizzle("TAG") | |
} else if ( match[2] ) { | |
push.apply( results, context.getElementsByTagName( selector ) ); | |
return results; | |
// Speed-up: Sizzle(".CLASS") | |
} else if ( (m = match[3]) && support.getElementsByClassName && context.getElementsByClassName ) { | |
push.apply( results, context.getElementsByClassName( m ) ); | |
return results; | |
} | |
} | |
// QSA path | |
if ( support.qsa && (!rbuggyQSA || !rbuggyQSA.test( selector )) ) { | |
nid = old = expando; | |
newContext = context; | |
newSelector = nodeType === 9 && selector; | |
// qSA works strangely on Element-rooted queries | |
// We can work around this by specifying an extra ID on the root | |
// and working up from there (Thanks to Andrew Dupont for the technique) | |
// IE 8 doesn't work on object elements | |
if ( nodeType === 1 && context.nodeName.toLowerCase() !== "object" ) { | |
groups = tokenize( selector ); | |
if ( (old = context.getAttribute("id")) ) { | |
nid = old.replace( rescape, "\\$&" ); | |
} else { | |
context.setAttribute( "id", nid ); | |
} | |
nid = "[id='" + nid + "'] "; | |
i = groups.length; | |
while ( i-- ) { | |
groups[i] = nid + toSelector( groups[i] ); | |
} | |
newContext = rsibling.test( selector ) && testContext( context.parentNode ) || context; | |
newSelector = groups.join(","); | |
} | |
if ( newSelector ) { | |
try { | |
push.apply( results, | |
newContext.querySelectorAll( newSelector ) | |
); | |
return results; | |
} catch(qsaError) { | |
} finally { | |
if ( !old ) { | |
context.removeAttribute("id"); | |
} | |
} | |
} | |
} | |
} | |
// All others | |
return select( selector.replace( rtrim, "$1" ), context, results, seed ); | |
} | |
/** | |
* Create key-value caches of limited size | |
* @returns {Function(string, Object)} Returns the Object data after storing it on itself with | |
* property name the (space-suffixed) string and (if the cache is larger than Expr.cacheLength) | |
* deleting the oldest entry | |
*/ | |
function createCache() { | |
var keys = []; | |
function cache( key, value ) { | |
// Use (key + " ") to avoid collision with native prototype properties (see Issue #157) | |
if ( keys.push( key + " " ) > Expr.cacheLength ) { | |
// Only keep the most recent entries | |
delete cache[ keys.shift() ]; | |
} | |
return (cache[ key + " " ] = value); | |
} | |
return cache; | |
} | |
/** | |
* Mark a function for special use by Sizzle | |
* @param {Function} fn The function to mark | |
*/ | |
function markFunction( fn ) { | |
fn[ expando ] = true; | |
return fn; | |
} | |
/** | |
* Support testing using an element | |
* @param {Function} fn Passed the created div and expects a boolean result | |
*/ | |
function assert( fn ) { | |
var div = document.createElement("div"); | |
try { | |
return !!fn( div ); | |
} catch (e) { | |
return false; | |
} finally { | |
// Remove from its parent by default | |
if ( div.parentNode ) { | |
div.parentNode.removeChild( div ); | |
} | |
// release memory in IE | |
div = null; | |
} | |
} | |
/** | |
* Adds the same handler for all of the specified attrs | |
* @param {String} attrs Pipe-separated list of attributes | |
* @param {Function} handler The method that will be applied | |
*/ | |
function addHandle( attrs, handler ) { | |
var arr = attrs.split("|"), | |
i = attrs.length; | |
while ( i-- ) { | |
Expr.attrHandle[ arr[i] ] = handler; | |
} | |
} | |
/** | |
* Checks document order of two siblings | |
* @param {Element} a | |
* @param {Element} b | |
* @returns {Number} Returns less than 0 if a precedes b, greater than 0 if a follows b | |
*/ | |
function siblingCheck( a, b ) { | |
var cur = b && a, | |
diff = cur && a.nodeType === 1 && b.nodeType === 1 && | |
( ~b.sourceIndex || MAX_NEGATIVE ) - | |
( ~a.sourceIndex || MAX_NEGATIVE ); | |
// Use IE sourceIndex if available on both nodes | |
if ( diff ) { | |
return diff; | |
} | |
// Check if b follows a | |
if ( cur ) { | |
while ( (cur = cur.nextSibling) ) { | |
if ( cur === b ) { | |
return -1; | |
} | |
} | |
} | |
return a ? 1 : -1; | |
} | |
/** | |
* Returns a function to use in pseudos for input types | |
* @param {String} type | |
*/ | |
function createInputPseudo( type ) { | |
return function( elem ) { | |
var name = elem.nodeName.toLowerCase(); | |
return name === "input" && elem.type === type; | |
}; | |
} | |
/** | |
* Returns a function to use in pseudos for buttons | |
* @param {String} type | |
*/ | |
function createButtonPseudo( type ) { | |
return function( elem ) { | |
var name = elem.nodeName.toLowerCase(); | |
return (name === "input" || name === "button") && elem.type === type; | |
}; | |
} | |
/** | |
* Returns a function to use in pseudos for positionals | |
* @param {Function} fn | |
*/ | |
function createPositionalPseudo( fn ) { | |
return markFunction(function( argument ) { | |
argument = +argument; | |
return markFunction(function( seed, matches ) { | |
var j, | |
matchIndexes = fn( [], seed.length, argument ), | |
i = matchIndexes.length; | |
// Match elements found at the specified indexes | |
while ( i-- ) { | |
if ( seed[ (j = matchIndexes[i]) ] ) { | |
seed[j] = !(matches[j] = seed[j]); | |
} | |
} | |
}); | |
}); | |
} | |
/** | |
* Checks a node for validity as a Sizzle context | |
* @param {Element|Object=} context | |
* @returns {Element|Object|Boolean} The input node if acceptable, otherwise a falsy value | |
*/ | |
function testContext( context ) { | |
return context && typeof context.getElementsByTagName !== strundefined && context; | |
} | |
// Expose support vars for convenience | |
support = Sizzle.support = {}; | |
/** | |
* Detects XML nodes | |
* @param {Element|Object} elem An element or a document | |
* @returns {Boolean} True iff elem is a non-HTML XML node | |
*/ | |
isXML = Sizzle.isXML = function( elem ) { | |
// documentElement is verified for cases where it doesn't yet exist | |
// (such as loading iframes in IE - #4833) | |
var documentElement = elem && (elem.ownerDocument || elem).documentElement; | |
return documentElement ? documentElement.nodeName !== "HTML" : false; | |
}; | |
/** | |
* Sets document-related variables once based on the current document | |
* @param {Element|Object} [doc] An element or document object to use to set the document | |
* @returns {Object} Returns the current document | |
*/ | |
setDocument = Sizzle.setDocument = function( node ) { | |
var hasCompare, | |
doc = node ? node.ownerDocument || node : preferredDoc, | |
parent = doc.defaultView; | |
// If no document and documentElement is available, return | |
if ( doc === document || doc.nodeType !== 9 || !doc.documentElement ) { | |
return document; | |
} | |
// Set our document | |
document = doc; | |
docElem = doc.documentElement; | |
// Support tests | |
documentIsHTML = !isXML( doc ); | |
// Support: IE>8 | |
// If iframe document is assigned to "document" variable and if iframe has been reloaded, | |
// IE will throw "permission denied" error when accessing "document" variable, see jQuery #13936 | |
// IE6-8 do not support the defaultView property so parent will be undefined | |
if ( parent && parent !== parent.top ) { | |
// IE11 does not have attachEvent, so all must suffer | |
if ( parent.addEventListener ) { | |
parent.addEventListener( "unload", function() { | |
setDocument(); | |
}, false ); | |
} else if ( parent.attachEvent ) { | |
parent.attachEvent( "onunload", function() { | |
setDocument(); | |
}); | |
} | |
} | |
/* Attributes | |
---------------------------------------------------------------------- */ | |
// Support: IE<8 | |
// Verify that getAttribute really returns attributes and not properties (excepting IE8 booleans) | |
support.attributes = assert(function( div ) { | |
div.className = "i"; | |
return !div.getAttribute("className"); | |
}); | |
/* getElement(s)By* | |
---------------------------------------------------------------------- */ | |
// Check if getElementsByTagName("*") returns only elements | |
support.getElementsByTagName = assert(function( div ) { | |
div.appendChild( doc.createComment("") ); | |
return !div.getElementsByTagName("*").length; | |
}); | |
// Check if getElementsByClassName can be trusted | |
support.getElementsByClassName = rnative.test( doc.getElementsByClassName ) && assert(function( div ) { | |
div.innerHTML = "<div class='a'></div><div class='a i'></div>"; | |
// Support: Safari<4 | |
// Catch class over-caching | |
div.firstChild.className = "i"; | |
// Support: Opera<10 | |
// Catch gEBCN failure to find non-leading classes | |
return div.getElementsByClassName("i").length === 2; | |
}); | |
// Support: IE<10 | |
// Check if getElementById returns elements by name | |
// The broken getElementById methods don't pick up programatically-set names, | |
// so use a roundabout getElementsByName test | |
support.getById = assert(function( div ) { | |
docElem.appendChild( div ).id = expando; | |
return !doc.getElementsByName || !doc.getElementsByName( expando ).length; | |
}); | |
// ID find and filter | |
if ( support.getById ) { | |
Expr.find["ID"] = function( id, context ) { | |
if ( typeof context.getElementById !== strundefined && documentIsHTML ) { | |
var m = context.getElementById( id ); | |
// Check parentNode to catch when Blackberry 4.6 returns | |
// nodes that are no longer in the document #6963 | |
return m && m.parentNode ? [m] : []; | |
} | |
}; | |
Expr.filter["ID"] = function( id ) { | |
var attrId = id.replace( runescape, funescape ); | |
return function( elem ) { | |
return elem.getAttribute("id") === attrId; | |
}; | |
}; | |
} else { | |
// Support: IE6/7 | |
// getElementById is not reliable as a find shortcut | |
delete Expr.find["ID"]; | |
Expr.filter["ID"] = function( id ) { | |
var attrId = id.replace( runescape, funescape ); | |
return function( elem ) { | |
var node = typeof elem.getAttributeNode !== strundefined && elem.getAttributeNode("id"); | |
return node && node.value === attrId; | |
}; | |
}; | |
} | |
// Tag | |
Expr.find["TAG"] = support.getElementsByTagName ? | |
function( tag, context ) { | |
if ( typeof context.getElementsByTagName !== strundefined ) { | |
return context.getElementsByTagName( tag ); | |
} | |
} : | |
function( tag, context ) { | |
var elem, | |
tmp = [], | |
i = 0, | |
results = context.getElementsByTagName( tag ); | |
// Filter out possible comments | |
if ( tag === "*" ) { | |
while ( (elem = results[i++]) ) { | |
if ( elem.nodeType === 1 ) { | |
tmp.push( elem ); | |
} | |
} | |
return tmp; | |
} | |
return results; | |
}; | |
// Class | |
Expr.find["CLASS"] = support.getElementsByClassName && function( className, context ) { | |
if ( typeof context.getElementsByClassName !== strundefined && documentIsHTML ) { | |
return context.getElementsByClassName( className ); | |
} | |
}; | |
/* QSA/matchesSelector | |
---------------------------------------------------------------------- */ | |
// QSA and matchesSelector support | |
// matchesSelector(:active) reports false when true (IE9/Opera 11.5) | |
rbuggyMatches = []; | |
// qSa(:focus) reports false when true (Chrome 21) | |
// We allow this because of a bug in IE8/9 that throws an error | |
// whenever `document.activeElement` is accessed on an iframe | |
// So, we allow :focus to pass through QSA all the time to avoid the IE error | |
// See http://bugs.jquery.com/ticket/13378 | |
rbuggyQSA = []; | |
if ( (support.qsa = rnative.test( doc.querySelectorAll )) ) { | |
// Build QSA regex | |
// Regex strategy adopted from Diego Perini | |
assert(function( div ) { | |
// Select is set to empty string on purpose | |
// This is to test IE's treatment of not explicitly | |
// setting a boolean content attribute, | |
// since its presence should be enough | |
// http://bugs.jquery.com/ticket/12359 | |
div.innerHTML = "<select t=''><option selected=''></option></select>"; | |
// Support: IE8, Opera 10-12 | |
// Nothing should be selected when empty strings follow ^= or $= or *= | |
if ( div.querySelectorAll("[t^='']").length ) { | |
rbuggyQSA.push( "[*^$]=" + whitespace + "*(?:''|\"\")" ); | |
} | |
// Support: IE8 | |
// Boolean attributes and "value" are not treated correctly | |
if ( !div.querySelectorAll("[selected]").length ) { | |
rbuggyQSA.push( "\\[" + whitespace + "*(?:value|" + booleans + ")" ); | |
} | |
// Webkit/Opera - :checked should return selected option elements | |
// http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked | |
// IE8 throws error here and will not see later tests | |
if ( !div.querySelectorAll(":checked").length ) { | |
rbuggyQSA.push(":checked"); | |
} | |
}); | |
assert(function( div ) { | |
// Support: Windows 8 Native Apps | |
// The type and name attributes are restricted during .innerHTML assignment | |
var input = doc.createElement("input"); | |
input.setAttribute( "type", "hidden" ); | |
div.appendChild( input ).setAttribute( "name", "D" ); | |
// Support: IE8 | |
// Enforce case-sensitivity of name attribute | |
if ( div.querySelectorAll("[name=d]").length ) { | |
rbuggyQSA.push( "name" + whitespace + "*[*^$|!~]?=" ); | |
} | |
// FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled) | |
// IE8 throws error here and will not see later tests | |
if ( !div.querySelectorAll(":enabled").length ) { | |
rbuggyQSA.push( ":enabled", ":disabled" ); | |
} | |
// Opera 10-11 does not throw on post-comma invalid pseudos | |
div.querySelectorAll("*,:x"); | |
rbuggyQSA.push(",.*:"); | |
}); | |
} | |
if ( (support.matchesSelector = rnative.test( (matches = docElem.webkitMatchesSelector || | |
docElem.mozMatchesSelector || | |
docElem.oMatchesSelector || | |
docElem.msMatchesSelector) )) ) { | |
assert(function( div ) { | |
// Check to see if it's possible to do matchesSelector | |
// on a disconnected node (IE 9) | |
support.disconnectedMatch = matches.call( div, "div" ); | |
// This should fail with an exception | |
// Gecko does not error, returns false instead | |
matches.call( div, "[s!='']:x" ); | |
rbuggyMatches.push( "!=", pseudos ); | |
}); | |
} | |
rbuggyQSA = rbuggyQSA.length && new RegExp( rbuggyQSA.join("|") ); | |
rbuggyMatches = rbuggyMatches.length && new RegExp( rbuggyMatches.join("|") ); | |
/* Contains | |
---------------------------------------------------------------------- */ | |
hasCompare = rnative.test( docElem.compareDocumentPosition ); | |
// Element contains another | |
// Purposefully does not implement inclusive descendent | |
// As in, an element does not contain itself | |
contains = hasCompare || rnative.test( docElem.contains ) ? | |
function( a, b ) { | |
var adown = a.nodeType === 9 ? a.documentElement : a, | |
bup = b && b.parentNode; | |
return a === bup || !!( bup && bup.nodeType === 1 && ( | |
adown.contains ? | |
adown.contains( bup ) : | |
a.compareDocumentPosition && a.compareDocumentPosition( bup ) & 16 | |
)); | |
} : | |
function( a, b ) { | |
if ( b ) { | |
while ( (b = b.parentNode) ) { | |
if ( b === a ) { | |
return true; | |
} | |
} | |
} | |
return false; | |
}; | |
/* Sorting | |
---------------------------------------------------------------------- */ | |
// Document order sorting | |
sortOrder = hasCompare ? | |
function( a, b ) { | |
// Flag for duplicate removal | |
if ( a === b ) { | |
hasDuplicate = true; | |
return 0; | |
} | |
// Sort on method existence if only one input has compareDocumentPosition | |
var compare = !a.compareDocumentPosition - !b.compareDocumentPosition; | |
if ( compare ) { | |
return compare; | |
} | |
// Calculate position if both inputs belong to the same document | |
compare = ( a.ownerDocument || a ) === ( b.ownerDocument || b ) ? | |
a.compareDocumentPosition( b ) : | |
// Otherwise we know they are disconnected | |
1; | |
// Disconnected nodes | |
if ( compare & 1 || | |
(!support.sortDetached && b.compareDocumentPosition( a ) === compare) ) { | |
// Choose the first element that is related to our preferred document | |
if ( a === doc || a.ownerDocument === preferredDoc && contains(preferredDoc, a) ) { | |
return -1; | |
} | |
if ( b === doc || b.ownerDocument === preferredDoc && contains(preferredDoc, b) ) { | |
return 1; | |
} | |
// Maintain original order | |
return sortInput ? | |
( indexOf.call( sortInput, a ) - indexOf.call( sortInput, b ) ) : | |
0; | |
} | |
return compare & 4 ? -1 : 1; | |
} : | |
function( a, b ) { | |
// Exit early if the nodes are identical | |
if ( a === b ) { | |
hasDuplicate = true; | |
return 0; | |
} | |
var cur, | |
i = 0, | |
aup = a.parentNode, | |
bup = b.parentNode, | |
ap = [ a ], | |
bp = [ b ]; | |
// Parentless nodes are either documents or disconnected | |
if ( !aup || !bup ) { | |
return a === doc ? -1 : | |
b === doc ? 1 : | |
aup ? -1 : | |
bup ? 1 : | |
sortInput ? | |
( indexOf.call( sortInput, a ) - indexOf.call( sortInput, b ) ) : | |
0; | |
// If the nodes are siblings, we can do a quick check | |
} else if ( aup === bup ) { | |
return siblingCheck( a, b ); | |
} | |
// Otherwise we need full lists of their ancestors for comparison | |
cur = a; | |
while ( (cur = cur.parentNode) ) { | |
ap.unshift( cur ); | |
} | |
cur = b; | |
while ( (cur = cur.parentNode) ) { | |
bp.unshift( cur ); | |
} | |
// Walk down the tree looking for a discrepancy | |
while ( ap[i] === bp[i] ) { | |
i++; | |
} | |
return i ? | |
// Do a sibling check if the nodes have a common ancestor | |
siblingCheck( ap[i], bp[i] ) : | |
// Otherwise nodes in our document sort first | |
ap[i] === preferredDoc ? -1 : | |
bp[i] === preferredDoc ? 1 : | |
0; | |
}; | |
return doc; | |
}; | |
Sizzle.matches = function( expr, elements ) { | |
return Sizzle( expr, null, null, elements ); | |
}; | |
Sizzle.matchesSelector = function( elem, expr ) { | |
// Set document vars if needed | |
if ( ( elem.ownerDocument || elem ) !== document ) { | |
setDocument( elem ); | |
} | |
// Make sure that attribute selectors are quoted | |
expr = expr.replace( rattributeQuotes, "='$1']" ); | |
if ( support.matchesSelector && documentIsHTML && | |
( !rbuggyMatches || !rbuggyMatches.test( expr ) ) && | |
( !rbuggyQSA || !rbuggyQSA.test( expr ) ) ) { | |
try { | |
var ret = matches.call( elem, expr ); | |
// IE 9's matchesSelector returns false on disconnected nodes | |
if ( ret || support.disconnectedMatch || | |
// As well, disconnected nodes are said to be in a document | |
// fragment in IE 9 | |
elem.document && elem.document.nodeType !== 11 ) { | |
return ret; | |
} | |
} catch(e) {} | |
} | |
return Sizzle( expr, document, null, [elem] ).length > 0; | |
}; | |
Sizzle.contains = function( context, elem ) { | |
// Set document vars if needed | |
if ( ( context.ownerDocument || context ) !== document ) { | |
setDocument( context ); | |
} | |
return contains( context, elem ); | |
}; | |
Sizzle.attr = function( elem, name ) { | |
// Set document vars if needed | |
if ( ( elem.ownerDocument || elem ) !== document ) { | |
setDocument( elem ); | |
} | |
var fn = Expr.attrHandle[ name.toLowerCase() ], | |
// Don't get fooled by Object.prototype properties (jQuery #13807) | |
val = fn && hasOwn.call( Expr.attrHandle, name.toLowerCase() ) ? | |
fn( elem, name, !documentIsHTML ) : | |
undefined; | |
return val !== undefined ? | |
val : | |
support.attributes || !documentIsHTML ? | |
elem.getAttribute( name ) : | |
(val = elem.getAttributeNode(name)) && val.specified ? | |
val.value : | |
null; | |
}; | |
Sizzle.error = function( msg ) { | |
throw new Error( "Syntax error, unrecognized expression: " + msg ); | |
}; | |
/** | |
* Document sorting and removing duplicates | |
* @param {ArrayLike} results | |
*/ | |
Sizzle.uniqueSort = function( results ) { | |
var elem, | |
duplicates = [], | |
j = 0, | |
i = 0; | |
// Unless we *know* we can detect duplicates, assume their presence | |
hasDuplicate = !support.detectDuplicates; | |
sortInput = !support.sortStable && results.slice( 0 ); | |
results.sort( sortOrder ); | |
if ( hasDuplicate ) { | |
while ( (elem = results[i++]) ) { | |
if ( elem === results[ i ] ) { | |
j = duplicates.push( i ); | |
} | |
} | |
while ( j-- ) { | |
results.splice( duplicates[ j ], 1 ); | |
} | |
} | |
// Clear input after sorting to release objects | |
// See https://github.com/jquery/sizzle/pull/225 | |
sortInput = null; | |
return results; | |
}; | |
/** | |
* Utility function for retrieving the text value of an array of DOM nodes | |
* @param {Array|Element} elem | |
*/ | |
getText = Sizzle.getText = function( elem ) { | |
var node, | |
ret = "", | |
i = 0, | |
nodeType = elem.nodeType; | |
if ( !nodeType ) { | |
// If no nodeType, this is expected to be an array | |
while ( (node = elem[i++]) ) { | |
// Do not traverse comment nodes | |
ret += getText( node ); | |
} | |
} else if ( nodeType === 1 || nodeType === 9 || nodeType === 11 ) { | |
// Use textContent for elements | |
// innerText usage removed for consistency of new lines (jQuery #11153) | |
if ( typeof elem.textContent === "string" ) { | |
return elem.textContent; | |
} else { | |
// Traverse its children | |
for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) { | |
ret += getText( elem ); | |
} | |
} | |
} else if ( nodeType === 3 || nodeType === 4 ) { | |
return elem.nodeValue; | |
} | |
// Do not include comment or processing instruction nodes | |
return ret; | |
}; | |
Expr = Sizzle.selectors = { | |
// Can be adjusted by the user | |
cacheLength: 50, | |
createPseudo: markFunction, | |
match: matchExpr, | |
attrHandle: {}, | |
find: {}, | |
relative: { | |
">": { dir: "parentNode", first: true }, | |
" ": { dir: "parentNode" }, | |
"+": { dir: "previousSibling", first: true }, | |
"~": { dir: "previousSibling" } | |
}, | |
preFilter: { | |
"ATTR": function( match ) { | |
match[1] = match[1].replace( runescape, funescape ); | |
// Move the given value to match[3] whether quoted or unquoted | |
match[3] = ( match[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[3] && match[4] !== undefined ) { | |
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( nodeNameSelector ) { | |
var nodeName = nodeNameSelector.replace( runescape, funescape ).toLowerCase(); | |
return nodeNameSelector === "*" ? | |
function() { return true; } : | |
function( elem ) { | |
return elem.nodeName && elem.nodeName.toLowerCase() === nodeName; | |
}; | |
}, | |
"CLASS": function( className ) { | |
var pattern = classCache[ className + " " ]; | |
return pattern || | |
(pattern = new RegExp( "(^|" + whitespace + ")" + className + "(" + whitespace + "|$)" )) && | |
classCache( className, function( elem ) { | |
return pattern.test( typeof elem.className === "string" && elem.className || typeof elem.getAttribute !== strundefined && elem.getAttribute("class") || "" ); | |
}); | |
}, | |
"ATTR": function( name, operator, check ) { | |
return function( elem ) { | |
var result = Sizzle.attr( elem, name ); | |
if ( result == null ) { | |
return operator === "!="; | |
} | |
if ( !operator ) { | |
return true; | |
} | |
result += ""; | |
return operator === "=" ? result === check : | |
operator === "!=" ? result !== check : | |
operator === "^=" ? check && result.indexOf( check ) === 0 : | |
operator === "*=" ? check && result.indexOf( check ) > -1 : | |
operator === "$=" ? check && result.slice( -check.length ) === check : | |
operator === "~=" ? ( " " + result + " " ).indexOf( check ) > -1 : | |
operator === "|=" ? result === check || result.slice( 0, check.length + 1 ) === check + "-" : | |
false; | |
}; | |
}, | |
"CHILD": function( type, what, argument, first, last ) { | |
var simple = type.slice( 0, 3 ) !== "nth", | |
forward = type.slice( -4 ) !== "last", | |
ofType = what === "of-type"; | |
return first === 1 && last === 0 ? | |
// Shortcut for :nth-*(n) | |
function( elem ) { | |
return !!elem.parentNode; | |
} : | |
function( elem, context, xml ) { | |
var cache, outerCache, node, diff, nodeIndex, start, | |
dir = simple !== forward ? "nextSibling" : "previousSibling", | |
parent = elem.parentNode, | |
name = ofType && elem.nodeName.toLowerCase(), | |
useCache = !xml && !ofType; | |
if ( parent ) { | |
// :(first|last|only)-(child|of-type) | |
if ( simple ) { | |
while ( dir ) { | |
node = elem; | |
while ( (node = node[ dir ]) ) { | |
if ( ofType ? node.nodeName.toLowerCase() === name : node.nodeType === 1 ) { | |
return false; | |
} | |
} | |
// Reverse direction for :only-* (if we haven't yet done so) | |
start = dir = type === "only" && !start && "nextSibling"; | |
} | |
return true; | |
} | |
start = [ forward ? parent.firstChild : parent.lastChild ]; | |
// non-xml :nth-child(...) stores cache data on `parent` | |
if ( forward && useCache ) { | |
// Seek `elem` from a previously-cached index | |
outerCache = parent[ expando ] || (parent[ expando ] = {}); | |
cache = outerCache[ type ] || []; | |
nodeIndex = cache[0] === dirruns && cache[1]; | |
diff = cache[0] === dirruns && cache[2]; | |
node = nodeIndex && parent.childNodes[ nodeIndex ]; | |
while ( (node = ++nodeIndex && node && node[ dir ] || | |
// Fallback to seeking `elem` from the start | |
(diff = nodeIndex = 0) || start.pop()) ) { | |
// When found, cache indexes on `parent` and break | |
if ( node.nodeType === 1 && ++diff && node === elem ) { | |
outerCache[ type ] = [ dirruns, nodeIndex, diff ]; | |
break; | |
} | |
} | |
// Use previously-cached element index if available | |
} else if ( useCache && (cache = (elem[ expando ] || (elem[ expando ] = {}))[ type ]) && cache[0] === dirruns ) { | |
diff = cache[1]; | |
// xml :nth-child(...) or :nth-last-child(...) or :nth(-last)?-of-type(...) | |
} else { | |
// Use the same loop as above to seek `elem` from the start | |
while ( (node = ++nodeIndex && node && node[ dir ] || | |
(diff = nodeIndex = 0) || start.pop()) ) { | |
if ( ( ofType ? node.nodeName.toLowerCase() === name : node.nodeType === 1 ) && ++diff ) { | |
// Cache the index of each encountered element | |
if ( useCache ) { | |
(node[ expando ] || (node[ expando ] = {}))[ type ] = [ dirruns, diff ]; | |
} | |
if ( node === elem ) { | |
break; | |
} | |
} | |
} | |
} | |
// Incorporate the offset, then check against cycle size | |
diff -= last; | |
return diff === first || ( diff % first === 0 && diff / first >= 0 ); | |
} | |
}; | |
}, | |
"PSEUDO": function( pseudo, argument ) { | |
// pseudo-class names are case-insensitive | |
// http://www.w3.org/TR/selectors/#pseudo-classes | |
// Prioritize by case sensitivity in case custom pseudos are added with uppercase letters | |
// Remember that setFilters inherits from pseudos | |
var args, | |
fn = Expr.pseudos[ pseudo ] || Expr.setFilters[ pseudo.toLowerCase() ] || | |
Sizzle.error( "unsupported pseudo: " + pseudo ); | |
// The user may use createPseudo to indicate that | |
// arguments are needed to create the filter function | |
// just as Sizzle does | |
if ( fn[ expando ] ) { | |
return fn( argument ); | |
} | |
// But maintain support for old signatures | |
if ( fn.length > 1 ) { | |
args = [ pseudo, pseudo, "", argument ]; | |
return Expr.setFilters.hasOwnProperty( pseudo.toLowerCase() ) ? | |
markFunction(function( seed, matches ) { | |
var idx, | |
matched = fn( seed, argument ), | |
i = matched.length; | |
while ( i-- ) { | |
idx = indexOf.call( seed, matched[i] ); | |
seed[ idx ] = !( matches[ idx ] = matched[i] ); | |
} | |
}) : | |
function( elem ) { | |
return fn( elem, 0, args ); | |
}; | |
} | |
return fn; | |
} | |
}, | |
pseudos: { | |
// Potentially complex pseudos | |
"not": markFunction(function( selector ) { | |
// Trim the selector passed to compile | |
// to avoid treating leading and trailing | |
// spaces as combinators | |
var input = [], | |
results = [], | |
matcher = compile( selector.replace( rtrim, "$1" ) ); | |
return matcher[ expando ] ? | |
markFunction(function( seed, matches, context, xml ) { | |
var elem, | |
unmatched = matcher( seed, null, xml, [] ), | |
i = seed.length; | |
// Match elements unmatched by `matcher` | |
while ( i-- ) { | |
if ( (elem = unmatched[i]) ) { | |
seed[i] = !(matches[i] = elem); | |
} | |
} | |
}) : | |
function( elem, context, xml ) { | |
input[0] = elem; | |
matcher( input, null, xml, results ); | |
return !results.pop(); | |
}; | |
}), | |
"has": markFunction(function( selector ) { | |
return function( elem ) { | |
return Sizzle( selector, elem ).length > 0; | |
}; | |
}), | |
"contains": markFunction(function( text ) { | |
return function( elem ) { | |
return ( elem.textContent || elem.innerText || getText( elem ) ).indexOf( text ) > -1; | |
}; | |
}), | |
// "Whether an element is represented by a :lang() selector | |
// is based solely on the element's language value | |
// being equal to the identifier C, | |
// or beginning with the identifier C immediately followed by "-". | |
// The matching of C against the element's language value is performed case-insensitively. | |
// The identifier C does not have to be a valid language name." | |
// http://www.w3.org/TR/selectors/#lang-pseudo | |
"lang": markFunction( function( lang ) { | |
// lang value must be a valid identifier | |
if ( !ridentifier.test(lang || "") ) { | |
Sizzle.error( "unsupported lang: " + lang ); | |
} | |
lang = lang.replace( runescape, funescape ).toLowerCase(); | |
return function( elem ) { | |
var elemLang; | |
do { | |
if ( (elemLang = documentIsHTML ? | |
elem.lang : | |
elem.getAttribute("xml:lang") || elem.getAttribute("lang")) ) { | |
elemLang = elemLang.toLowerCase(); | |
return elemLang === lang || elemLang.indexOf( lang + "-" ) === 0; | |
} | |
} while ( (elem = elem.parentNode) && elem.nodeType === 1 ); | |
return false; | |
}; | |
}), | |
// Miscellaneous | |
"target": function( elem ) { | |
var hash = window.location && window.location.hash; | |
return hash && hash.slice( 1 ) === elem.id; | |
}, | |
"root": function( elem ) { | |
return elem === docElem; | |
}, | |
"focus": function( elem ) { | |
return elem === document.activeElement && (!document.hasFocus || document.hasFocus()) && !!(elem.type || elem.href || ~elem.tabIndex); | |
}, | |
// Boolean properties | |
"enabled": function( elem ) { | |
return elem.disabled === false; | |
}, | |
"disabled": function( elem ) { | |
return elem.disabled === true; | |
}, | |
"checked": function( elem ) { | |
// In CSS3, :checked should return both checked and selected elements | |
// http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked | |
var nodeName = elem.nodeName.toLowerCase(); | |
return (nodeName === "input" && !!elem.checked) || (nodeName === "option" && !!elem.selected); | |
}, | |
"selected": function( elem ) { | |
// Accessing this property makes selected-by-default | |
// options in Safari work properly | |
if ( elem.parentNode ) { | |
elem.parentNode.selectedIndex; | |
} | |
return elem.selected === true; | |
}, | |
// Contents | |
"empty": function( elem ) { | |
// http://www.w3.org/TR/selectors/#empty-pseudo | |
// :empty is negated by element (1) or content nodes (text: 3; cdata: 4; entity ref: 5), | |
// but not by others (comment: 8; processing instruction: 7; etc.) | |
// nodeType < 6 works because attributes (2) do not appear as children | |
for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) { | |
if ( elem.nodeType < 6 ) { | |
return false; | |
} | |
} | |
return true; | |
}, | |
"parent": function( elem ) { | |
return !Expr.pseudos["empty"]( elem ); | |
}, | |
// Element/input types | |
"header": function( elem ) { | |
return rheader.test( elem.nodeName ); | |
}, | |
"input": function( elem ) { | |
return rinputs.test( elem.nodeName ); | |
}, | |
"button": function( elem ) { | |
var name = elem.nodeName.toLowerCase(); | |
return name === "input" && elem.type === "button" || name === "button"; | |
}, | |
"text": function( elem ) { | |
var attr; | |
return elem.nodeName.toLowerCase() === "input" && | |
elem.type === "text" && | |
// Support: IE<8 | |
// New HTML5 attribute values (e.g., "search") appear with elem.type === "text" | |
( (attr = elem.getAttribute("type")) == null || attr.toLowerCase() === "text" ); | |
}, | |
// Position-in-collection | |
"first": createPositionalPseudo(function() { | |
return [ 0 ]; | |
}), | |
"last": createPositionalPseudo(function( matchIndexes, length ) { | |
return [ length - 1 ]; | |
}), | |
"eq": createPositionalPseudo(function( matchIndexes, length, argument ) { | |
return [ argument < 0 ? argument + length : argument ]; | |
}), | |
"even": createPositionalPseudo(function( matchIndexes, length ) { | |
var i = 0; | |
for ( ; i < length; i += 2 ) { | |
matchIndexes.push( i ); | |
} | |
return matchIndexes; | |
}), | |
"odd": createPositionalPseudo(function( matchIndexes, length ) { | |
var i = 1; | |
for ( ; i < length; i += 2 ) { | |
matchIndexes.push( i ); | |
} | |
return matchIndexes; | |
}), | |
"lt": createPositionalPseudo(function( matchIndexes, length, argument ) { | |
var i = argument < 0 ? argument + length : argument; | |
for ( ; --i >= 0; ) { | |
matchIndexes.push( i ); | |
} | |
return matchIndexes; | |
}), | |
"gt": createPositionalPseudo(function( matchIndexes, length, argument ) { | |
var i = argument < 0 ? argument + length : argument; | |
for ( ; ++i < length; ) { | |
matchIndexes.push( i ); | |
} | |
return matchIndexes; | |
}) | |
} | |
}; | |
Expr.pseudos["nth"] = Expr.pseudos["eq"]; | |
// Add button/input type pseudos | |
for ( i in { radio: true, checkbox: true, file: true, password: true, image: true } ) { | |
Expr.pseudos[ i ] = createInputPseudo( i ); | |
} | |
for ( i in { submit: true, reset: true } ) { | |
Expr.pseudos[ i ] = createButtonPseudo( i ); | |
} | |
// Easy API for creating new setFilters | |
function setFilters() {} | |
setFilters.prototype = Expr.filters = Expr.pseudos; | |
Expr.setFilters = new setFilters(); | |
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 oldCache, outerCache, | |
newCache = [ dirruns, doneName ]; | |
// We can't set arbitrary data on XML nodes, so they don't benefit from dir caching | |
if ( xml ) { | |
while ( (elem = elem[ dir ]) ) { | |
if ( elem.nodeType === 1 || checkNonElements ) { | |
if ( matcher( elem, context, xml ) ) { | |
return true; | |
} | |
} | |
} | |
} else { | |
while ( (elem = elem[ dir ]) ) { | |
if ( elem.nodeType === 1 || checkNonElements ) { | |
outerCache = elem[ expando ] || (elem[ expando ] = {}); | |
if ( (oldCache = outerCache[ dir ]) && | |
oldCache[ 0 ] === dirruns && oldCache[ 1 ] === doneName ) { | |
// Assign to newCache so results back-propagate to previous elements | |
return (newCache[ 2 ] = oldCache[ 2 ]); | |
} else { | |
// Reuse newcache so results back-propagate to previous elements | |
outerCache[ dir ] = newCache; | |
// A match means we're done; a fail means we have to keep checking | |
if ( (newCache[ 2 ] = matcher( elem, context, xml )) ) { | |
return true; | |
} | |
} | |
} | |
} | |
} | |
}; | |
} | |
function elementMatcher( matchers ) { | |
return matchers.length > 1 ? | |
function( elem, context, xml ) { | |
var i = matchers.length; | |
while ( i-- ) { | |
if ( !matchers[i]( elem, context, xml ) ) { | |
return false; | |
} | |
} | |
return true; | |
} : | |
matchers[0]; | |
} | |
function condense( unmatched, map, filter, context, xml ) { | |
var elem, | |
newUnmatched = [], | |
i = 0, | |
len = unmatched.length, | |
mapped = map != null; | |
for ( ; i < len; i++ ) { | |
if ( (elem = unmatched[i]) ) { | |
if ( !filter || filter( elem, context, xml ) ) { | |
newUnmatched.push( elem ); | |
if ( mapped ) { | |
map.push( i ); | |
} | |
} | |
} | |
} | |
return newUnmatched; | |
} | |
function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postSelector ) { | |
if ( postFilter && !postFilter[ expando ] ) { | |
postFilter = setMatcher( postFilter ); | |
} | |
if ( postFinder && !postFinder[ expando ] ) { | |
postFinder = setMatcher( postFinder, postSelector ); | |
} | |
return markFunction(function( seed, results, context, xml ) { | |
var temp, i, elem, | |
preMap = [], | |
postMap = [], | |
preexisting = results.length, | |
// Get initial elements from seed or context | |
elems = seed || multipleContexts( selector || "*", context.nodeType ? [ context ] : context, [] ), | |
// Prefilter to get matcher input, preserving a map for seed-results synchronization | |
matcherIn = preFilter && ( seed || !selector ) ? | |
condense( elems, preMap, preFilter, context, xml ) : | |
elems, | |
matcherOut = matcher ? | |
// If we have a postFinder, or filtered seed, or non-seed postFilter or preexisting results, | |
postFinder || ( seed ? preFilter : preexisting || postFilter ) ? | |
// ...intermediate processing is necessary | |
[] : | |
// ...otherwise use results directly | |
results : | |
matcherIn; | |
// Find primary matches | |
if ( matcher ) { | |
matcher( matcherIn, matcherOut, context, xml ); | |
} | |
// Apply postFilter | |
if ( postFilter ) { | |
temp = condense( matcherOut, postMap ); | |
postFilter( temp, [], context, xml ); | |
// Un-match failing elements by moving them back to matcherIn | |
i = temp.length; | |
while ( i-- ) { | |
if ( (elem = temp[i]) ) { | |
matcherOut[ postMap[i] ] = !(matcherIn[ postMap[i] ] = elem); | |
} | |
} | |
} | |
if ( seed ) { | |
if ( postFinder || preFilter ) { | |
if ( postFinder ) { | |
// Get the final matcherOut by condensing this intermediate into postFinder contexts | |
temp = []; | |
i = matcherOut.length; | |
while ( i-- ) { | |
if ( (elem = matcherOut[i]) ) { | |
// Restore matcherIn since elem is not yet a final match | |
temp.push( (matcherIn[i] = elem) ); | |
} | |
} | |
postFinder( null, (matcherOut = []), temp, xml ); | |
} | |
// Move matched elements from seed to results to keep them synchronized | |
i = matcherOut.length; | |
while ( i-- ) { | |
if ( (elem = matcherOut[i]) && | |
(temp = postFinder ? indexOf.call( seed, elem ) : preMap[i]) > -1 ) { | |
seed[temp] = !(results[temp] = elem); | |
} | |
} | |
} | |
// Add elements to results, through postFinder if defined | |
} else { | |
matcherOut = condense( | |
matcherOut === results ? | |
matcherOut.splice( preexisting, matcherOut.length ) : | |
matcherOut | |
); | |
if ( postFinder ) { | |
postFinder( null, results, matcherOut, xml ); | |
} else { | |
push.apply( results, matcherOut ); | |
} | |
} | |
}); | |
} | |
function matcherFromTokens( tokens ) { | |
var checkContext, matcher, j, | |
len = tokens.length, | |
leadingRelative = Expr.relative[ tokens[0].type ], | |
implicitRelative = leadingRelative || Expr.relative[" "], | |
i = leadingRelative ? 1 : 0, | |
// The foundational matcher ensures that elements are reachable from top-level context(s) | |
matchContext = addCombinator( function( elem ) { | |
return elem === checkContext; | |
}, implicitRelative, true ), | |
matchAnyContext = addCombinator( function( elem ) { | |
return indexOf.call( checkContext, elem ) > -1; | |
}, implicitRelative, true ), | |
matchers = [ function( elem, context, xml ) { | |
return ( !leadingRelative && ( xml || context !== outermostContext ) ) || ( | |
(checkContext = context).nodeType ? | |
matchContext( elem, context, xml ) : | |
matchAnyContext( elem, context, xml ) ); | |
} ]; | |
for ( ; i < len; i++ ) { | |
if ( (matcher = Expr.relative[ tokens[i].type ]) ) { | |
matchers = [ addCombinator(elementMatcher( matchers ), matcher) ]; | |
} else { | |
matcher = Expr.filter[ tokens[i].type ].apply( null, tokens[i].matches ); | |
// Return special upon seeing a positional matcher | |
if ( matcher[ expando ] ) { | |
// Find the next relative operator (if any) for proper handling | |
j = ++i; | |
for ( ; j < len; j++ ) { | |
if ( Expr.relative[ tokens[j].type ] ) { | |
break; | |
} | |
} | |
return setMatcher( | |
i > 1 && elementMatcher( matchers ), | |
i > 1 && toSelector( | |
// If the preceding token was a descendant combinator, insert an implicit any-element `*` | |
tokens.slice( 0, i - 1 ).concat({ value: tokens[ i - 2 ].type === " " ? "*" : "" }) | |
).replace( rtrim, "$1" ), | |
matcher, | |
i < j && matcherFromTokens( tokens.slice( i, j ) ), | |
j < len && matcherFromTokens( (tokens = tokens.slice( j )) ), | |
j < len && toSelector( tokens ) | |
); | |
} | |
matchers.push( matcher ); | |
} | |
} | |
return elementMatcher( matchers ); | |
} | |
function matcherFromGroupMatchers( elementMatchers, setMatchers ) { | |
var bySet = setMatchers.length > 0, | |
byElement = elementMatchers.length > 0, | |
superMatcher = function( seed, context, xml, results, outermost ) { | |
var elem, j, matcher, | |
matchedCount = 0, | |
i = "0", | |
unmatched = seed && [], | |
setMatched = [], | |
contextBackup = outermostContext, | |
// We must always have either seed elements or outermost context | |
elems = seed || byElement && Expr.find["TAG"]( "*", outermost ), | |
// Use integer dirruns iff this is the outermost matcher | |
dirrunsUnique = (dirruns += contextBackup == null ? 1 : Math.random() || 0.1), | |
len = elems.length; | |
if ( outermost ) { | |
outermostContext = context !== document && context; | |
} | |
// Add elements passing elementMatchers directly to results | |
// Keep `i` a string if there are no elements so `matchedCount` will be "00" below | |
// Support: IE<9, Safari | |
// Tolerate NodeList properties (IE: "length"; Safari: <number>) matching elements by id | |
for ( ; i !== len && (elem = elems[i]) != null; i++ ) { | |
if ( byElement && elem ) { | |
j = 0; | |
while ( (matcher = elementMatchers[j++]) ) { | |
if ( matcher( elem, context, xml ) ) { | |
results.push( elem ); | |
break; | |
} | |
} | |
if ( outermost ) { | |
dirruns = dirrunsUnique; | |
} | |
} | |
// Track unmatched elements for set filters | |
if ( bySet ) { | |
// They will have gone through all possible matchers | |
if ( (elem = !matcher && elem) ) { | |
matchedCount--; | |
} | |
// Lengthen the array for every element, matched or not | |
if ( seed ) { | |
unmatched.push( elem ); | |
} | |
} | |
} | |
// Apply set filters to unmatched elements | |
matchedCount += i; | |
if ( bySet && i !== matchedCount ) { | |
j = 0; | |
while ( (matcher = setMatchers[j++]) ) { | |
matcher( unmatched, setMatched, context, xml ); | |
} | |
if ( seed ) { | |
// Reintegrate element matches to eliminate the need for sorting | |
if ( matchedCount > 0 ) { | |
while ( i-- ) { | |
if ( !(unmatched[i] || setMatched[i]) ) { | |
setMatched[i] = pop.call( results ); | |
} | |
} | |
} | |
// Discard index placeholder values to get only actual matches | |
setMatched = condense( setMatched ); | |
} | |
// Add matches to results | |
push.apply( results, setMatched ); | |
// Seedless set matches succeeding multiple successful matchers stipulate sorting | |
if ( outermost && !seed && setMatched.length > 0 && | |
( matchedCount + setMatchers.length ) > 1 ) { | |
Sizzle.uniqueSort( results ); | |
} | |
} | |
// Override manipulation of globals by nested matchers | |
if ( outermost ) { | |
dirruns = dirrunsUnique; | |
outermostContext = contextBackup; | |
} | |
return unmatched; | |
}; | |
return bySet ? | |
markFunction( superMatcher ) : | |
superMatcher; | |
} | |
compile = Sizzle.compile = function( selector, 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" && | |
support.getById && context.nodeType === 9 && documentIsHTML && | |
Expr.relative[ tokens[1].type ] ) { | |
context = ( Expr.find["ID"]( token.matches[0].replace(runescape, funescape), context ) || [] )[0]; | |
if ( !context ) { | |
return results; | |
} | |
selector = selector.slice( tokens.shift().value.length ); | |
} | |
// Fetch a seed set for right-to-left matching | |
i = matchExpr["needsContext"].test( selector ) ? 0 : tokens.length; | |
while ( i-- ) { | |
token = tokens[i]; | |
// Abort if we hit a combinator | |
if ( Expr.relative[ (type = token.type) ] ) { | |
break; | |
} | |
if ( (find = Expr.find[ type ]) ) { | |
// Search, expanding context for leading sibling combinators | |
if ( (seed = find( | |
token.matches[0].replace( runescape, funescape ), | |
rsibling.test( tokens[0].type ) && testContext( context.parentNode ) || context | |
)) ) { | |
// If seed is empty or no tokens remain, we can return early | |
tokens.splice( i, 1 ); | |
selector = seed.length && toSelector( tokens ); | |
if ( !selector ) { | |
push.apply( results, seed ); | |
return results; | |
} | |
break; | |
} | |
} | |
} | |
} | |
} | |
// Compile and execute a filtering function | |
// Provide `match` to avoid retokenization if we modified the selector above | |
compile( selector, match )( | |
seed, | |
context, | |
!documentIsHTML, | |
results, | |
rsibling.test( selector ) && testContext( context.parentNode ) || context | |
); | |
return results; | |
} | |
// One-time assignments | |
// Sort stability | |
support.sortStable = expando.split("").sort( sortOrder ).join("") === expando; | |
// Support: Chrome<14 | |
// Always assume duplicates if they aren't passed to the comparison function | |
support.detectDuplicates = !!hasDuplicate; | |
// Initialize against the default document | |
setDocument(); | |
// Support: Webkit<537.32 - Safari 6.0.3/Chrome 25 (fixed in Chrome 27) | |
// Detached nodes confoundingly follow *each other* | |
support.sortDetached = assert(function( div1 ) { | |
// Should return 1, but returns 4 (following) | |
return div1.compareDocumentPosition( document.createElement("div") ) & 1; | |
}); | |
// Support: IE<8 | |
// Prevent attribute/property "interpolation" | |
// http://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx | |
if ( !assert(function( div ) { | |
div.innerHTML = "<a href='#'></a>"; | |
return div.firstChild.getAttribute("href") === "#" ; | |
}) ) { | |
addHandle( "type|href|height|width", function( elem, name, isXML ) { | |
if ( !isXML ) { | |
return elem.getAttribute( name, name.toLowerCase() === "type" ? 1 : 2 ); | |
} | |
}); | |
} | |
// Support: IE<9 | |
// Use defaultValue in place of getAttribute("value") | |
if ( !support.attributes || !assert(function( div ) { | |
div.innerHTML = "<input/>"; | |
div.firstChild.setAttribute( "value", "" ); | |
return div.firstChild.getAttribute( "value" ) === ""; | |
}) ) { | |
addHandle( "value", function( elem, name, isXML ) { | |
if ( !isXML && elem.nodeName.toLowerCase() === "input" ) { | |
return elem.defaultValue; | |
} | |
}); | |
} | |
// Support: IE<9 | |
// Use getAttributeNode to fetch booleans when getAttribute lies | |
if ( !assert(function( div ) { | |
return div.getAttribute("disabled") == null; | |
}) ) { | |
addHandle( booleans, function( elem, name, isXML ) { | |
var val; | |
if ( !isXML ) { | |
return elem[ name ] === true ? name.toLowerCase() : | |
(val = elem.getAttributeNode( name )) && val.specified ? | |
val.value : | |
null; | |
} | |
}); | |
} | |
return Sizzle; | |
})( window ); | |
jQuery.find = Sizzle; | |
jQuery.expr = Sizzle.selectors; | |
jQuery.expr[":"] = jQuery.expr.pseudos; | |
jQuery.unique = Sizzle.uniqueSort; | |
jQuery.text = Sizzle.getText; | |
jQuery.isXMLDoc = Sizzle.isXML; | |
jQuery.contains = Sizzle.contains; | |
var rneedsContext = jQuery.expr.match.needsContext; | |
var rsingleTag = (/^<(\w+)\s*\/?>(?:<\/\1>|)$/); | |
var risSimple = /^.[^:#\[\.,]*$/; | |
// Implement the identical functionality for filter and not | |
function winnow( elements, qualifier, not ) { | |
if ( jQuery.isFunction( qualifier ) ) { | |
return jQuery.grep( elements, function( elem, i ) { | |
/* jshint -W018 */ | |
return !!qualifier.call( elem, i, elem ) !== not; | |
}); | |
} | |
if ( qualifier.nodeType ) { | |
return jQuery.grep( elements, function( elem ) { | |
return ( elem === qualifier ) !== not; | |
}); | |
} | |
if ( typeof qualifier === "string" ) { | |
if ( risSimple.test( qualifier ) ) { | |
return jQuery.filter( qualifier, elements, not ); | |
} | |
qualifier = jQuery.filter( qualifier, elements ); | |
} | |
return jQuery.grep( elements, function( elem ) { | |
return ( indexOf.call( qualifier, elem ) >= 0 ) !== not; | |
}); | |
} | |
jQuery.filter = function( expr, elems, not ) { | |
var elem = elems[ 0 ]; | |
if ( not ) { | |
expr = ":not(" + expr + ")"; | |
} | |
return elems.length === 1 && elem.nodeType === 1 ? | |
jQuery.find.matchesSelector( elem, expr ) ? [ elem ] : [] : | |
jQuery.find.matches( expr, jQuery.grep( elems, function( elem ) { | |
return elem.nodeType === 1; | |
})); | |
}; | |
jQuery.fn.extend({ | |
find: function( selector ) { | |
var i, | |
len = this.length, | |
ret = [], | |
self = this; | |
if ( typeof selector !== "string" ) { | |
return this.pushStack( jQuery( selector ).filter(function() { | |
for ( i = 0; i < len; i++ ) { | |
if ( jQuery.contains( self[ i ], this ) ) { | |
return true; | |
} | |
} | |
}) ); | |
} | |
for ( i = 0; i < len; i++ ) { | |
jQuery.find( selector, self[ i ], ret ); | |
} | |
// Needed because $( selector, context ) becomes $( context ).find( selector ) | |
ret = this.pushStack( len > 1 ? jQuery.unique( ret ) : ret ); | |
ret.selector = this.selector ? this.selector + " " + selector : selector; | |
return ret; | |
}, | |
filter: function( selector ) { | |
return this.pushStack( winnow(this, selector || [], false) ); | |
}, | |
not: function( selector ) { | |
return this.pushStack( winnow(this, selector || [], true) ); | |
}, | |
is: function( selector ) { | |
return !!winnow( | |
this, | |
// If this is a positional/relative selector, check membership in the returned set | |
// so $("p:first").is("p:last") won't return true for a doc with two "p". | |
typeof selector === "string" && rneedsContext.test( selector ) ? | |
jQuery( selector ) : | |
selector || [], | |
false | |
).length; | |
} | |
}); | |
// Initialize a jQuery object | |
// A central reference to the root jQuery(document) | |
var rootjQuery, | |
// A simple way to check for HTML strings | |
// Prioritize #id over <tag> to avoid XSS via location.hash (#9521) | |
// Strict HTML recognition (#11290: must start with <) | |
rquickExpr = /^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]*))$/, | |
init = jQuery.fn.init = function( selector, context ) { | |
var match, elem; | |
// HANDLE: $(""), $(null), $(undefined), $(false) | |
if ( !selector ) { | |
return this; | |
} | |
// Handle HTML strings | |
if ( typeof selector === "string" ) { | |
if ( selector[0] === "<" && selector[ selector.length - 1 ] === ">" && selector.length >= 3 ) { | |
// Assume that strings that start and end with <> are HTML and skip the regex check | |
match = [ null, selector, null ]; | |
} else { | |
match = rquickExpr.exec( selector ); | |
} | |
// Match html or make sure no context is specified for #id | |
if ( match && (match[1] || !context) ) { | |
// HANDLE: $(html) -> $(array) | |
if ( match[1] ) { | |
context = context instanceof jQuery ? context[0] : context; | |
// scripts is true for back-compat | |
// Intentionally let the error be thrown if parseHTML is not present | |
jQuery.merge( this, jQuery.parseHTML( | |
match[1], | |
context && context.nodeType ? context.ownerDocument || context : document, | |
true | |
) ); | |
// HANDLE: $(html, props) | |
if ( rsingleTag.test( match[1] ) && jQuery.isPlainObject( context ) ) { | |
for ( match in context ) { | |
// Properties of context are called as methods if possible | |
if ( jQuery.isFunction( this[ match ] ) ) { | |
this[ match ]( context[ match ] ); | |
// ...and otherwise set as attributes | |
} else { | |
this.attr( match, context[ match ] ); | |
} | |
} | |
} | |
return this; | |
// HANDLE: $(#id) | |
} else { | |
elem = document.getElementById( match[2] ); | |
// Check parentNode to catch when Blackberry 4.6 returns | |
// nodes that are no longer in the document #6963 | |
if ( elem && elem.parentNode ) { | |
// Inject the element directly into the jQuery object | |
this.length = 1; | |
this[0] = elem; | |
} | |
this.context = document; | |
this.selector = selector; | |
return this; | |
} | |
// HANDLE: $(expr, $(...)) | |
} else if ( !context || context.jquery ) { | |
return ( context || rootjQuery ).find( selector ); | |
// HANDLE: $(expr, context) | |
// (which is just equivalent to: $(context).find(expr) | |
} else { | |
return this.constructor( context ).find( selector ); | |
} | |
// HANDLE: $(DOMElement) | |
} else if ( selector.nodeType ) { | |
this.context = this[0] = selector; | |
this.length = 1; | |
return this; | |
// HANDLE: $(function) | |
// Shortcut for document ready | |
} else if ( jQuery.isFunction( selector ) ) { | |
return typeof rootjQuery.ready !== "undefined" ? | |
rootjQuery.ready( selector ) : | |
// Execute immediately if ready is not present | |
selector( jQuery ); | |
} | |
if ( selector.selector !== undefined ) { | |
this.selector = selector.selector; | |
this.context = selector.context; | |
} | |
return jQuery.makeArray( selector, this ); | |
}; | |
// Give the init function the jQuery prototype for later instantiation | |
init.prototype = jQuery.fn; | |
// Initialize central reference | |
rootjQuery = jQuery( document ); | |
var rparentsprev = /^(?:parents|prev(?:Until|All))/, | |
// methods guaranteed to produce a unique set when starting from a unique set | |
guaranteedUnique = { | |
children: true, | |
contents: true, | |
next: true, | |
prev: true | |
}; | |
jQuery.extend({ | |
dir: function( elem, dir, until ) { | |
var matched = [], | |
truncate = until !== undefined; | |
while ( (elem = elem[ dir ]) && elem.nodeType !== 9 ) { | |
if ( elem.nodeType === 1 ) { | |
if ( truncate && jQuery( elem ).is( until ) ) { | |
break; | |
} | |
matched.push( elem ); | |
} | |
} | |
return matched; | |
}, | |
sibling: function( n, elem ) { | |
var matched = []; | |
for ( ; n; n = n.nextSibling ) { | |
if ( n.nodeType === 1 && n !== elem ) { | |
matched.push( n ); | |
} | |
} | |
return matched; | |
} | |
}); | |
jQuery.fn.extend({ | |
has: function( target ) { | |
var targets = jQuery( target, this ), | |
l = targets.length; | |
return this.filter(function() { | |
var i = 0; | |
for ( ; i < l; i++ ) { | |
if ( jQuery.contains( this, targets[i] ) ) { | |
return true; | |
} | |
} | |
}); | |
}, | |
closest: function( selectors, context ) { | |
var cur, | |
i = 0, | |
l = this.length, | |
matched = [], | |
pos = rneedsContext.test( selectors ) || typeof selectors !== "string" ? | |
jQuery( selectors, context || this.context ) : | |
0; | |
for ( ; i < l; i++ ) { | |
for ( cur = this[i]; cur && cur !== context; cur = cur.parentNode ) { | |
// Always skip document fragments | |
if ( cur.nodeType < 11 && (pos ? | |
pos.index(cur) > -1 : | |
// Don't pass non-elements to Sizzle | |
cur.nodeType === 1 && | |
jQuery.find.matchesSelector(cur, selectors)) ) { | |
matched.push( cur ); | |
break; | |
} | |
} | |
} | |
return this.pushStack( matched.length > 1 ? jQuery.unique( matched ) : matched ); | |
}, | |
// Determine the position of an element within | |
// the matched set of elements | |
index: function( elem ) { | |
// No argument, return index in parent | |
if ( !elem ) { | |
return ( this[ 0 ] && this[ 0 ].parentNode ) ? this.first().prevAll().length : -1; | |
} | |
// index in selector | |
if ( typeof elem === "string" ) { | |
return indexOf.call( jQuery( elem ), this[ 0 ] ); | |
} | |
// Locate the position of the desired element | |
return indexOf.call( this, | |
// If it receives a jQuery object, the first element is used | |
elem.jquery ? elem[ 0 ] : elem | |
); | |
}, | |
add: function( selector, context ) { | |
return this.pushStack( | |
jQuery.unique( | |
jQuery.merge( this.get(), jQuery( selector, context ) ) | |
) | |
); | |
}, | |
addBack: function( selector ) { | |
return this.add( selector == null ? | |
this.prevObject : this.prevObject.filter(selector) | |
); | |
} | |
}); | |
function sibling( cur, dir ) { | |
while ( (cur = cur[dir]) && 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 elem.contentDocument || jQuery.merge( [], elem.childNodes ); | |
} | |
}, function( name, fn ) { | |
jQuery.fn[ name ] = function( until, selector ) { | |
var matched = jQuery.map( this, fn, until ); | |
if ( name.slice( -5 ) !== "Until" ) { | |
selector = until; | |
} | |
if ( selector && typeof selector === "string" ) { | |
matched = jQuery.filter( selector, matched ); | |
} | |
if ( this.length > 1 ) { | |
// Remove duplicates | |
if ( !guaranteedUnique[ name ] ) { | |
jQuery.unique( matched ); | |
} | |
// Reverse order for parents* and prev-derivatives | |
if ( rparentsprev.test( name ) ) { | |
matched.reverse(); | |
} | |
} | |
return this.pushStack( matched ); | |
}; | |
}); | |
var rnotwhite = (/\S+/g); | |
// String to Object options format cache | |
var optionsCache = {}; | |
// Convert String-formatted options into Object-formatted ones and store in cache | |
function createOptions( options ) { | |
var object = optionsCache[ options ] = {}; | |
jQuery.each( options.match( rnotwhite ) || [], function( _, flag ) { | |
object[ flag ] = true; | |
}); | |
return object; | |
} | |
/* | |
* Create a callback list using the following parameters: | |
* | |
* options: an optional list of space-separated options that will change how | |
* the callback list behaves or a more traditional option object | |
* | |
* By default a callback list will act like an event callback list and can be | |
* "fired" multiple times. | |
* | |
* Possible options: | |
* | |
* once: will ensure the callback list can only be fired once (like a Deferred) | |
* | |
* memory: will keep track of previous values and will call any callback added | |
* after the list has been fired right away with the latest "memorized" | |
* values (like a Deferred) | |
* | |
* unique: will ensure a callback can only be added once (no duplicate in the list) | |
* | |
* stopOnFalse: interrupt callings when a callback returns false | |
* | |
*/ | |
jQuery.Callbacks = function( options ) { | |
// Convert options from String-formatted to Object-formatted if needed | |
// (we check in cache first) | |
options = typeof options === "string" ? | |
( optionsCache[ options ] || createOptions( options ) ) : | |
jQuery.extend( {}, options ); | |
var // Last fire value (for non-forgettable lists) | |
memory, | |
// Flag to know if list was already fired | |
fired, | |
// Flag to know if list is currently firing | |
firing, | |
// First callback to fire (used internally by add and fireWith) | |
firingStart, | |
// End of the loop when firing | |
firingLength, | |
// Index of currently firing callback (modified by remove if needed) | |
firingIndex, | |
// Actual callback list | |
list = [], | |
// Stack of fire calls for repeatable lists | |
stack = !options.once && [], | |
// Fire callbacks | |
fire = function( data ) { | |
memory = options.memory && data; | |
fired = true; | |
firingIndex = firingStart || 0; | |
firingStart = 0; | |
firingLength = list.length; | |
firing = true; | |
for ( ; list && firingIndex < firingLength; firingIndex++ ) { | |
if ( list[ firingIndex ].apply( data[ 0 ], data[ 1 ] ) === false && options.stopOnFalse ) { | |
memory = false; // To prevent further calls using add | |
break; | |
} | |
} | |
firing = false; | |
if ( list ) { | |
if ( stack ) { | |
if ( stack.length ) { | |
fire( stack.shift() ); | |
} | |
} else if ( memory ) { | |
list = []; | |
} else { | |
self.disable(); | |
} | |
} | |
}, | |
// Actual Callbacks object | |
self = { | |
// Add a callback or a collection of callbacks to the list | |
add: function() { | |
if ( list ) { | |
// First, we save the current length | |
var start = list.length; | |
(function add( args ) { | |
jQuery.each( args, function( _, arg ) { | |
var type = jQuery.type( arg ); | |
if ( type === "function" ) { | |
if ( !options.unique || !self.has( arg ) ) { | |
list.push( arg ); | |
} | |
} else if ( arg && arg.length && type !== "string" ) { | |
// Inspect recursively | |
add( arg ); | |
} | |
}); | |
})( arguments ); | |
// Do we need to add the callbacks to the | |
// current firing batch? | |
if ( firing ) { | |
firingLength = list.length; | |
// With memory, if we're not firing then | |
// we should call right away | |
} else if ( memory ) { | |
firingStart = start; | |
fire( memory ); | |
} | |
} | |
return this; | |
}, | |
// Remove a callback from the list | |
remove: function() { | |
if ( list ) { | |
jQuery.each( arguments, function( _, arg ) { | |
var index; | |
while ( ( index = jQuery.inArray( arg, list, index ) ) > -1 ) { | |
list.splice( index, 1 ); | |
// Handle firing indexes | |
if ( firing ) { | |
if ( index <= firingLength ) { | |
firingLength--; | |
} | |
if ( index <= firingIndex ) { | |
firingIndex--; | |
} | |
} | |
} | |
}); | |
} | |
return this; | |
}, | |
// Check if a given callback is in the list. | |
// If no argument is given, return whether or not list has callbacks attached. | |
has: function( fn ) { | |
return fn ? jQuery.inArray( fn, list ) > -1 : !!( list && list.length ); | |
}, | |
// Remove all callbacks from the list | |
empty: function() { | |
list = []; | |
firingLength = 0; | |
return this; | |
}, | |
// Have the list do nothing anymore | |
disable: function() { | |
list = stack = memory = undefined; | |
return this; | |
}, | |
// Is it disabled? | |
disabled: function() { | |
return !list; | |
}, | |
// Lock the list in its current state | |
lock: function() { | |
stack = undefined; | |
if ( !memory ) { | |
self.disable(); | |
} | |
return this; | |
}, | |
// Is it locked? | |
locked: function() { | |
return !stack; | |
}, | |
// Call all callbacks with the given context and arguments | |
fireWith: function( context, args ) { | |
if ( list && ( !fired || stack ) ) { | |
args = args || []; | |
args = [ context, args.slice ? args.slice() : args ]; | |
if ( firing ) { | |
stack.push( args ); | |
} else { | |
fire( args ); | |
} | |
} | |
return this; | |
}, | |
// Call all the callbacks with the given arguments | |
fire: function() { | |
self.fireWith( this, arguments ); | |
return this; | |
}, | |
// To know if the callbacks have already been called at least once | |
fired: function() { | |
return !!fired; | |
} | |
}; | |
return self; | |
}; | |
jQuery.extend({ | |
Deferred: function( func ) { | |
var tuples = [ | |
// action, add listener, listener list, final state | |
[ "resolve", "done", jQuery.Callbacks("once memory"), "resolved" ], | |
[ "reject", "fail", jQuery.Callbacks("once memory"), "rejected" ], | |
[ "notify", "progress", jQuery.Callbacks("memory") ] | |
], | |
state = "pending", | |
promise = { | |
state: function() { | |
return state; | |
}, | |
always: function() { | |
deferred.done( arguments ).fail( arguments ); | |
return this; | |
}, | |
then: function( /* fnDone, fnFail, fnProgress */ ) { | |
var fns = arguments; | |
return jQuery.Deferred(function( newDefer ) { | |
jQuery.each( tuples, function( i, tuple ) { | |
var fn = jQuery.isFunction( fns[ i ] ) && fns[ i ]; | |
// deferred[ done | fail | progress ] for forwarding actions to newDefer | |
deferred[ tuple[1] ](function() { | |
var returned = fn && fn.apply( this, arguments ); | |
if ( returned && jQuery.isFunction( returned.promise ) ) { | |
returned.promise() | |
.done( newDefer.resolve ) | |
.fail( newDefer.reject ) | |
.progress( newDefer.notify ); | |
} else { | |
newDefer[ tuple[ 0 ] + "With" ]( this === promise ? newDefer.promise() : this, fn ? [ returned ] : arguments ); | |
} | |
}); | |
}); | |
fns = null; | |
}).promise(); | |
}, | |
// Get a promise for this deferred | |
// If obj is provided, the promise aspect is added to the object | |
promise: function( obj ) { | |
return obj != null ? jQuery.extend( obj, promise ) : promise; | |
} | |
}, | |
deferred = {}; | |
// Keep pipe for back-compat | |
promise.pipe = promise.then; | |
// Add list-specific methods | |
jQuery.each( tuples, function( i, tuple ) { | |
var list = tuple[ 2 ], | |
stateString = tuple[ 3 ]; | |
// promise[ done | fail | progress ] = list.add | |
promise[ tuple[1] ] = list.add; | |
// Handle state | |
if ( stateString ) { | |
list.add(function() { | |
// state = [ resolved | rejected ] | |
state = stateString; | |
// [ reject_list | resolve_list ].disable; progress_list.lock | |
}, tuples[ i ^ 1 ][ 2 ].disable, tuples[ 2 ][ 2 ].lock ); | |
} | |
// deferred[ resolve | reject | notify ] | |
deferred[ tuple[0] ] = function() { | |
deferred[ tuple[0] + "With" ]( this === deferred ? promise : this, arguments ); | |
return this; | |
}; | |
deferred[ tuple[0] + "With" ] = list.fireWith; | |
}); | |
// Make the deferred a promise | |
promise.promise( deferred ); | |
// Call given func if any | |
if ( func ) { | |
func.call( deferred, deferred ); | |
} | |
// All done! | |
return deferred; | |
}, | |
// Deferred helper | |
when: function( subordinate /* , ..., subordinateN */ ) { | |
var i = 0, | |
resolveValues = slice.call( arguments ), | |
length = resolveValues.length, | |
// the count of uncompleted subordinates | |
remaining = length !== 1 || ( subordinate && jQuery.isFunction( subordinate.promise ) ) ? length : 0, | |
// the master Deferred. If resolveValues consist of only a single Deferred, just use that. | |
deferred = remaining === 1 ? subordinate : jQuery.Deferred(), | |
// Update function for both resolve and progress values | |
updateFunc = function( i, contexts, values ) { | |
return function( value ) { | |
contexts[ i ] = this; | |
values[ i ] = arguments.length > 1 ? slice.call( arguments ) : value; | |
if ( values === progressValues ) { | |
deferred.notifyWith( contexts, values ); | |
} else if ( !( --remaining ) ) { | |
deferred.resolveWith( contexts, values ); | |
} | |
}; | |
}, | |
progressValues, progressContexts, resolveContexts; | |
// add listeners to Deferred subordinates; treat others as resolved | |
if ( length > 1 ) { | |
progressValues = new Array( length ); | |
progressContexts = new Array( length ); | |
resolveContexts = new Array( length ); | |
for ( ; i < length; i++ ) { | |
if ( resolveValues[ i ] && jQuery.isFunction( resolveValues[ i ].promise ) ) { | |
resolveValues[ i ].promise() | |
.done( updateFunc( i, resolveContexts, resolveValues ) ) | |
.fail( deferred.reject ) | |
.progress( updateFunc( i, progressContexts, progressValues ) ); | |
} else { | |
--remaining; | |
} | |
} | |
} | |
// if we're not waiting on anything, resolve the master | |
if ( !remaining ) { | |
deferred.resolveWith( resolveContexts, resolveValues ); | |
} | |
return deferred.promise(); | |
} | |
}); | |
// The deferred used on DOM ready | |
var readyList; | |
jQuery.fn.ready = function( fn ) { | |
// Add the callback | |
jQuery.ready.promise().done( fn ); | |
return this; | |
}; | |
jQuery.extend({ | |
// Is the DOM ready to be used? Set to true once it occurs. | |
isReady: false, | |