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jquery.js
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jquery.js
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/*
* jQuery - New Wave Javascript
*
* Copyright (c) 2006 John Resig (jquery.com)
* Dual licensed under the MIT (MIT-LICENSE.txt)
* and GPL (GPL-LICENSE.txt) licenses.
*
* $Date$
* $Rev$
*/
// Global undefined variable
window.undefined = window.undefined;
/**
* Create a new jQuery Object
*
* @test ok( Array.prototype.push, "Array.push()" );
* @test ok( Function.prototype.apply, "Function.apply()" );
* @test ok( document.getElementById, "getElementById" );
* @test ok( document.getElementsByTagName, "getElementsByTagName" );
* @test ok( RegExp, "RegExp" );
* @test ok( jQuery, "jQuery" );
* @test ok( $, "$()" );
*
* @constructor
* @private
* @name jQuery
*/
function jQuery(a,c) {
// Shortcut for document ready (because $(document).each() is silly)
if ( a && a.constructor == Function && jQuery.fn.ready )
return jQuery(document).ready(a);
// Make sure that a selection was provided
a = a || jQuery.context || document;
// Watch for when a jQuery object is passed as the selector
if ( a.jquery )
return $( jQuery.merge( a, [] ) );
// Watch for when a jQuery object is passed at the context
if ( c && c.jquery )
return $( c ).find(a);
// If the context is global, return a new object
if ( window == this )
return new jQuery(a,c);
// Handle HTML strings
var m = /^[^<]*(<.+>)[^>]*$/.exec(a);
if ( m ) a = jQuery.clean( [ m[1] ] );
// Watch for when an array is passed in
this.get( a.constructor == Array || a.length && !a.nodeType && a[0] != undefined && a[0].nodeType ?
// Assume that it is an array of DOM Elements
jQuery.merge( a, [] ) :
// Find the matching elements and save them for later
jQuery.find( a, c ) );
// See if an extra function was provided
var fn = arguments[ arguments.length - 1 ];
// If so, execute it in context
if ( fn && fn.constructor == Function )
this.each(fn);
}
// Map over the $ in case of overwrite
if ( typeof $ != "undefined" )
jQuery._$ = $;
// Map the jQuery namespace to the '$' one
var $ = jQuery;
jQuery.fn = jQuery.prototype = {
/**
* The current SVN version of jQuery.
*
* @private
* @property
* @name jquery
* @type String
* @cat Core
*/
jquery: "$Rev$",
/**
* The number of elements currently matched.
*
* @example $("img").length;
* @before <img src="test1.jpg"/> <img src="test2.jpg"/>
* @result 2
*
* @test cmpOK( $("div").length, "==", 2, "Get Number of Elements Found" );
*
* @property
* @name length
* @type Number
* @cat Core
*/
/**
* The number of elements currently matched.
*
* @example $("img").size();
* @before <img src="test1.jpg"/> <img src="test2.jpg"/>
* @result 2
*
* @test cmpOK( $("div").size(), "==", 2, "Get Number of Elements Found" );
*
* @name size
* @type Number
* @cat Core
*/
size: function() {
return this.length;
},
/**
* Access all matched elements. This serves as a backwards-compatible
* way of accessing all matched elements (other than the jQuery object
* itself, which is, in fact, an array of elements).
*
* @example $("img").get();
* @before <img src="test1.jpg"/> <img src="test2.jpg"/>
* @result [ <img src="test1.jpg"/> <img src="test2.jpg"/> ]
*
* @test isSet( $("div").get(), q("main","foo"), "Get All Elements" );
*
* @name get
* @type Array<Element>
* @cat Core
*/
/**
* Access a single matched element. num is used to access the
* Nth element matched.
*
* @example $("img").get(1);
* @before <img src="test1.jpg"/> <img src="test2.jpg"/>
* @result [ <img src="test1.jpg"/> ]
*
* @test cmpOK( $("div").get(0), "==", document.getElementById("main"), "Get A Single Element" );
*
* @name get
* @type Element
* @param Number num Access the element in the Nth position.
* @cat Core
*/
/**
* Set the jQuery object to an array of elements.
*
* @example $("img").get([ document.body ]);
* @result $("img").get() == [ document.body ]
*
* @private
* @name get
* @type jQuery
* @param Elements elems An array of elements
* @cat Core
*/
get: function( num ) {
// Watch for when an array (of elements) is passed in
if ( num && num.constructor == Array ) {
// Use a tricky hack to make the jQuery object
// look and feel like an array
this.length = 0;
[].push.apply( this, num );
return this;
} else
return num == undefined ?
// Return a 'clean' array
jQuery.map( this, function(a){ return a } ) :
// Return just the object
this[num];
},
/**
* Execute a function within the context of every matched element.
* This means that every time the passed-in function is executed
* (which is once for every element matched) the 'this' keyword
* points to the specific element.
*
* Additionally, the function, when executed, is passed a single
* argument representing the position of the element in the matched
* set.
*
* @example $("img").each(function(){
* this.src = "test.jpg";
* });
* @before <img/> <img/>
* @result <img src="test.jpg"/> <img src="test.jpg"/>
*
* @example $("img").each(function(i){
* alert( "Image #" + i + " is " + this );
* });
* @before <img/> <img/>
* @result <img src="test.jpg"/> <img src="test.jpg"/>
*
* @test var div = $("div");
* div.each(function(){this.foo = 'zoo';});
* var pass = true;
* for ( var i = 0; i < div.size(); i++ ) {
* if ( div.get(i).foo != "zoo" ) pass = false;
* }
* ok( pass, "Execute a function, Relative" );
*
* @name each
* @type jQuery
* @param Function fn A function to execute
* @cat Core
*/
each: function( fn, args ) {
return jQuery.each( this, fn, args );
},
index: function( obj ) {
var pos = -1;
this.each(function(i){
if ( this == obj ) pos = i;
});
return pos;
},
/**
* Access a property on the first matched element.
* This method makes it easy to retreive a property value
* from the first matched element.
*
* @example $("img").attr("src");
* @before <img src="test.jpg"/>
* @result test.jpg
*
* @name attr
* @type Object
* @param String name The name of the property to access.
* @cat DOM
*/
/**
* Set a hash of key/value object properties to all matched elements.
* This serves as the best way to set a large number of properties
* on all matched elements.
*
* @example $("img").attr({ src: "test.jpg", alt: "Test Image" });
* @before <img/>
* @result <img src="test.jpg" alt="Test Image"/>
*
* @test var pass = true;
* $("div").attr({foo: 'baz', zoo: 'ping'}).each(function(){
* if ( this.getAttribute('foo') != "baz" && this.getAttribute('zoo') != "ping" ) pass = false;
* });
* ok( pass, "Set Multiple Attributes" );
*
* @name attr
* @type jQuery
* @param Hash prop A set of key/value pairs to set as object properties.
* @cat DOM
*/
/**
* Set a single property to a value, on all matched elements.
*
* @example $("img").attr("src","test.jpg");
* @before <img/>
* @result <img src="test.jpg"/>
*
* @test var div = $("div");
* div.attr("foo", "bar");
* var pass = true;
* for ( var i = 0; i < div.size(); i++ ) {
* if ( div.get(i).getAttribute('foo') != "bar" ) pass = false;
* }
* ok( pass, "Set Attribute" );
*
* @name attr
* @type jQuery
* @param String key The name of the property to set.
* @param Object value The value to set the property to.
* @cat DOM
*/
attr: function( key, value, type ) {
// Check to see if we're setting style values
return key.constructor != String || value != undefined ?
this.each(function(){
// See if we're setting a hash of styles
if ( value == undefined )
// Set all the styles
for ( var prop in key )
jQuery.attr(
type ? this.style : this,
prop, key[prop]
);
// See if we're setting a single key/value style
else
jQuery.attr(
type ? this.style : this,
key, value
);
}) :
// Look for the case where we're accessing a style value
jQuery[ type || "attr" ]( this[0], key );
},
/**
* Access a style property on the first matched element.
* This method makes it easy to retreive a style property value
* from the first matched element.
*
* @example $("p").css("red");
* @before <p style="color:red;">Test Paragraph.</p>
* @result red
*
* @name css
* @type Object
* @param String name The name of the property to access.
* @cat CSS
*/
/**
* Set a hash of key/value style properties to all matched elements.
* This serves as the best way to set a large number of style properties
* on all matched elements.
*
* @example $("p").css({ color: "red", background: "blue" });
* @before <p>Test Paragraph.</p>
* @result <p style="color:red; background:blue;">Test Paragraph.</p>
*
* @name css
* @type jQuery
* @param Hash prop A set of key/value pairs to set as style properties.
* @cat CSS
*/
/**
* Set a single style property to a value, on all matched elements.
*
* @example $("p").css("color","red");
* @before <p>Test Paragraph.</p>
* @result <p style="color:red;">Test Paragraph.</p>
*
* @name css
* @type jQuery
* @param String key The name of the property to set.
* @param Object value The value to set the property to.
* @cat CSS
*/
css: function( key, value ) {
return this.attr( key, value, "curCSS" );
},
/**
* Retreive the text contents of all matched elements. The result is
* a string that contains the combined text contents of all matched
* elements. This method works on both HTML and XML documents.
*
* @example $("p").text();
* @before <p>Test Paragraph.</p>
* @result Test Paragraph.
*
* @name text
* @type String
* @cat DOM
*/
text: function(e) {
e = e || this;
var t = "";
for ( var j = 0; j < e.length; j++ ) {
var r = e[j].childNodes;
for ( var i = 0; i < r.length; i++ )
t += r[i].nodeType != 1 ?
r[i].nodeValue : jQuery.fn.text([ r[i] ]);
}
return t;
},
/**
* Wrap all matched elements with a structure of other elements.
* This wrapping process is most useful for injecting additional
* stucture into a document, without ruining the original semantic
* qualities of a document.
*
* The way that is works is that it goes through the first element argument
* provided and finds the deepest element within the structure - it is that
* element that will en-wrap everything else.
*
* @example $("p").wrap("<div class='wrap'></div>");
* @before <p>Test Paragraph.</p>
* @result <div class='wrap'><p>Test Paragraph.</p></div>
*
* @name wrap
* @type jQuery
* @any String html A string of HTML, that will be created on the fly and wrapped around the target.
* @any Element elem A DOM element that will be wrapped.
* @any Array<Element> elems An array of elements, the first of which will be wrapped.
* @any Object obj Any object, converted to a string, then a text node.
* @cat DOM/Manipulation
*/
wrap: function() {
// The elements to wrap the target around
var a = jQuery.clean(arguments);
// Wrap each of the matched elements individually
return this.each(function(){
// Clone the structure that we're using to wrap
var b = a[0].cloneNode(true);
// Insert it before the element to be wrapped
this.parentNode.insertBefore( b, this );
// Find he deepest point in the wrap structure
while ( b.firstChild )
b = b.firstChild;
// Move the matched element to within the wrap structure
b.appendChild( this );
});
},
/**
* Append any number of elements to the inside of all matched elements.
* This operation is similar to doing an appendChild to all the
* specified elements, adding them into the document.
*
* @example $("p").append("<b>Hello</b>");
* @before <p>I would like to say: </p>
* @result <p>I would like to say: <b>Hello</b></p>
*
* @name append
* @type jQuery
* @any String html A string of HTML, that will be created on the fly and appended to the target.
* @any Element elem A DOM element that will be appended.
* @any Array<Element> elems An array of elements, all of which will be appended.
* @any Object obj Any object, converted to a string, then a text node.
* @cat DOM/Manipulation
*/
append: function() {
return this.domManip(arguments, true, 1, function(a){
this.appendChild( a );
});
},
/**
* Prepend any number of elements to the inside of all matched elements.
* This operation is the best way to insert a set of elements inside, at the
* beginning, of all the matched element.
*
* @example $("p").prepend("<b>Hello</b>");
* @before <p>, how are you?</p>
* @result <p><b>Hello</b>, how are you?</p>
*
* @name prepend
* @type jQuery
* @any String html A string of HTML, that will be created on the fly and prepended to the target.
* @any Element elem A DOM element that will be prepended.
* @any Array<Element> elems An array of elements, all of which will be prepended.
* @any Object obj Any object, converted to a string, then a text node.
* @cat DOM/Manipulation
*/
prepend: function() {
return this.domManip(arguments, true, -1, function(a){
this.insertBefore( a, this.firstChild );
});
},
/**
* Insert any number of elements before each of the matched elements.
*
* @example $("p").before("<b>Hello</b>");
* @before <p>how are you?</p>
* @result <b>Hello</b><p>how are you?</p>
*
* @name before
* @type jQuery
* @any String html A string of HTML, that will be created on the fly and inserted.
* @any Element elem A DOM element that will beinserted.
* @any Array<Element> elems An array of elements, all of which will be inserted.
* @any Object obj Any object, converted to a string, then a text node.
* @cat DOM/Manipulation
*/
before: function() {
return this.domManip(arguments, false, 1, function(a){
this.parentNode.insertBefore( a, this );
});
},
/**
* Insert any number of elements after each of the matched elements.
*
* @example $("p").after("<p>I'm doing fine.</p>");
* @before <p>How are you?</p>
* @result <p>How are you?</p><p>I'm doing fine.</p>
*
* @name after
* @type jQuery
* @any String html A string of HTML, that will be created on the fly and inserted.
* @any Element elem A DOM element that will beinserted.
* @any Array<Element> elems An array of elements, all of which will be inserted.
* @any Object obj Any object, converted to a string, then a text node.
* @cat DOM/Manipulation
*/
after: function() {
return this.domManip(arguments, false, -1, function(a){
this.parentNode.insertBefore( a, this.nextSibling );
});
},
/**
* End the most recent 'destructive' operation, reverting the list of matched elements
* back to its previous state. After an end operation, the list of matched elements will
* revert to the last state of matched elements.
*
* @example $("p").find("span").end();
* @before <p><span>Hello</span>, how are you?</p>
* @result $("p").find("span").end() == [ <p>...</p> ]
*
* @name end
* @type jQuery
* @cat DOM/Traversing
*/
end: function() {
return this.get( this.stack.pop() );
},
/**
* Searches for all elements that match the specified expression.
* This method is the optimal way of finding additional descendant
* elements with which to process.
*
* All searching is done using a jQuery expression. The expression can be
* written using CSS 1-3 Selector syntax, or basic XPath.
*
* @example $("p").find("span");
* @before <p><span>Hello</span>, how are you?</p>
* @result $("p").find("span") == [ <span>Hello</span> ]
*
* @name find
* @type jQuery
* @param String expr An expression to search with.
* @cat DOM/Traversing
*/
find: function(t) {
return this.pushStack( jQuery.map( this, function(a){
return jQuery.find(t,a);
}), arguments );
},
clone: function(deep) {
return this.pushStack( jQuery.map( this, function(a){
return a.cloneNode( deep != undefined ? deep : true );
}), arguments );
},
/**
* Removes all elements from the set of matched elements that do not
* match the specified expression. This method is used to narrow down
* the results of a search.
*
* All searching is done using a jQuery expression. The expression
* can be written using CSS 1-3 Selector syntax, or basic XPath.
*
* @example $("p").filter(".selected")
* @before <p class="selected">Hello</p><p>How are you?</p>
* @result $("p").filter(".selected") == [ <p class="selected">Hello</p> ]
*
* @name filter
* @type jQuery
* @param String expr An expression to search with.
* @cat DOM/Traversing
*/
/**
* Removes all elements from the set of matched elements that do not
* match at least one of the expressions passed to the function. This
* method is used when you want to filter the set of matched elements
* through more than one expression.
*
* Elements will be retained in the jQuery object if they match at
* least one of the expressions passed.
*
* @example $("p").filter([".selected", ":first"])
* @before <p>Hello</p><p>Hello Again</p><p class="selected">And Again</p>
* @result $("p").filter([".selected", ":first"]) == [ <p>Hello</p>, <p class="selected">And Again</p> ]
*
* @name filter
* @type jQuery
* @param Array<String> exprs A set of expressions to evaluate against
* @cat DOM/Traversing
*/
filter: function(t) {
return this.pushStack(
t.constructor == Array &&
jQuery.map(this,function(a){
for ( var i = 0; i < t.length; i++ )
if ( jQuery.filter(t[i],[a]).r.length )
return a;
}) ||
t.constructor == Boolean &&
( t ? this.get() : [] ) ||
t.constructor == Function &&
jQuery.grep( this, t ) ||
jQuery.filter(t,this).r, arguments );
},
/**
* Removes the specified Element from the set of matched elements. This
* method is used to remove a single Element from a jQuery object.
*
* @example $("p").not( document.getElementById("selected") )
* @before <p>Hello</p><p id="selected">Hello Again</p>
* @result [ <p>Hello</p> ]
*
* @name not
* @type jQuery
* @param Element el An element to remove from the set
* @cat DOM/Traversing
*/
/**
* Removes elements matching the specified expression from the set
* of matched elements. This method is used to remove one or more
* elements from a jQuery object.
*
* @example $("p").not("#selected")
* @before <p>Hello</p><p id="selected">Hello Again</p>
* @result [ <p>Hello</p> ]
* @test cmpOK($("#main > p#ap > a").not("#google").length, "==", 2, ".not")
*
* @name not
* @type jQuery
* @param String expr An expression with which to remove matching elements
* @cat DOM/Traversing
*/
not: function(t) {
return this.pushStack( t.constructor == String ?
jQuery.filter(t,this,false).r :
jQuery.grep(this,function(a){ return a != t; }), arguments );
},
/**
* Adds the elements matched by the expression to the jQuery object. This
* can be used to concatenate the result sets of two expressions.
*
* @example $("p").add("span")
* @before <p>Hello</p><p><span>Hello Again</span></p>
* @result [ <p>Hello</p>, <span>Hello Again</span> ]
*
* @name add
* @type jQuery
* @param String expr An expression whose matched elements are added
* @cat DOM/Traversing
*/
/**
* Adds each of the Elements in the array to the set of matched elements.
* This is used to add a set of Elements to a jQuery object.
*
* @example $("p").add([document.getElementById("a"), document.getElementById("b")])
* @before <p>Hello</p><p><span id="a">Hello Again</span><span id="b">And Again</span></p>
* @result [ <p>Hello</p>, <span id="a">Hello Again</span>, <span id="b">And Again</span> ]
*
* @name add
* @type jQuery
* @param Array<Element> els An array of Elements to add
* @cat DOM/Traversing
*/
/**
* Adds a single Element to the set of matched elements. This is used to
* add a single Element to a jQuery object.
*
* @example $("p").add( document.getElementById("a") )
* @before <p>Hello</p><p><span id="a">Hello Again</span></p>
* @result [ <p>Hello</p>, <span id="a">Hello Again</span> ]
*
* @name add
* @type jQuery
* @param Element el An Element to add
* @cat DOM/Traversing
*/
add: function(t) {
return this.pushStack( jQuery.merge( this, t.constructor == String ?
jQuery.find(t) : t.constructor == Array ? t : [t] ), arguments );
},
/**
* A wrapper function for each() to be used by append and prepend.
* Handles cases where you're trying to modify the inner contents of
* a table, when you actually need to work with the tbody.
*
* @member jQuery
* @param {String} expr The expression with which to filter
* @type Boolean
* @cat DOM/Traversing
*/
is: function(expr) {
return expr ? jQuery.filter(expr,this).r.length > 0 : this.length > 0;
},
/**
*
*
* @private
* @name domManip
* @param Array args
* @param Boolean table
* @param Number int
* @param Function fn The function doing the DOM manipulation.
* @type jQuery
*/
domManip: function(args, table, dir, fn){
var clone = this.size() > 1;
var a = jQuery.clean(args);
return this.each(function(){
var obj = this;
if ( table && this.nodeName == "TABLE" && a[0].nodeName != "THEAD" ) {
var tbody = this.getElementsByTagName("tbody");
if ( !tbody.length ) {
obj = document.createElement("tbody");
this.appendChild( obj );
} else
obj = tbody[0];
}
for ( var i = ( dir < 0 ? a.length - 1 : 0 );
i != ( dir < 0 ? dir : a.length ); i += dir ) {
fn.apply( obj, [ clone ? a[i].cloneNode(true) : a[i] ] );
}
});
},
/**
*
*
* @private
* @name pushStack
* @param Array a
* @param Array args
* @type jQuery
*/
pushStack: function(a,args) {
var fn = args && args[args.length-1];
if ( !fn || fn.constructor != Function ) {
if ( !this.stack ) this.stack = [];
this.stack.push( this.get() );
this.get( a );
} else {
var old = this.get();
this.get( a );
if ( fn.constructor == Function )
return this.each( fn );
this.get( old );
}
return this;
}
};
/**
*
*
* @private
* @name extend
* @param Object obj
* @param Object prop
* @type Object
*/
/**
* Extend one object with another, returning the original,
* modified, object. This is a great utility for simple inheritance.
*
* @name jQuery.extend
* @param Object obj The object to extend
* @param Object prop The object that will be merged into the first.
* @type Object
* @cat Javascript
*/
jQuery.extend = jQuery.fn.extend = function(obj,prop) {
if ( !prop ) { prop = obj; obj = this; }
for ( var i in prop ) obj[i] = prop[i];
return obj;
};
jQuery.extend({
/**
* @private
* @name init
* @type undefined
*/
init: function(){
jQuery.initDone = true;
jQuery.each( jQuery.macros.axis, function(i,n){
jQuery.fn[ i ] = function(a) {
var ret = jQuery.map(this,n);
if ( a && a.constructor == String )
ret = jQuery.filter(a,ret).r;
return this.pushStack( ret, arguments );
};
});
jQuery.each( jQuery.macros.to, function(i,n){
jQuery.fn[ i ] = function(){
var a = arguments;
return this.each(function(){
for ( var j = 0; j < a.length; j++ )
$(a[j])[n]( this );
});
};
});
jQuery.each( jQuery.macros.each, function(i,n){
jQuery.fn[ i ] = function() {
return this.each( n, arguments );
};
});
jQuery.each( jQuery.macros.filter, function(i,n){
jQuery.fn[ n ] = function(num,fn) {
return this.filter( ":" + n + "(" + num + ")", fn );
};
});
jQuery.each( jQuery.macros.attr, function(i,n){
n = n || i;
jQuery.fn[ i ] = function(h) {
return h == undefined ?
this.length ? this[0][n] : null :
this.attr( n, h );
};
});
jQuery.each( jQuery.macros.css, function(i,n){
jQuery.fn[ n ] = function(h) {
return h == undefined ?
( this.length ? jQuery.css( this[0], n ) : null ) :
this.css( n, h );
};
});
},
/**
* A generic iterator function, which can be used to seemlessly
* iterate over both objects and arrays.
*
* @name jQuery.each
* @param Object obj The object, or array, to iterate over.
* @param Object fn The function that will be executed on every object.
* @type Object
* @cat Javascript
*/
each: function( obj, fn, args ) {
if ( obj.length == undefined )
for ( var i in obj )
fn.apply( obj[i], args || [i, obj[i]] );
else
for ( var i = 0; i < obj.length; i++ )
fn.apply( obj[i], args || [i, obj[i]] );
return obj;
},
className: {
add: function(o,c){
if (jQuery.className.has(o,c)) return;
o.className += ( o.className ? " " : "" ) + c;
},
remove: function(o,c){
o.className = !c ? "" :
o.className.replace(
new RegExp("(^|\\s*\\b[^-])"+c+"($|\\b(?=[^-]))", "g"), "");
},
has: function(e,a) {
if ( e.className != undefined )
e = e.className;
return new RegExp("(^|\\s)" + a + "(\\s|$)").test(e);
}
},
/**
* Swap in/out style options.
* @private
*/
swap: function(e,o,f) {
for ( var i in o ) {
e.style["old"+i] = e.style[i];
e.style[i] = o[i];
}
f.apply( e, [] );
for ( var i in o )
e.style[i] = e.style["old"+i];
},
css: function(e,p) {
if ( p == "height" || p == "width" ) {
var old = {}, oHeight, oWidth, d = ["Top","Bottom","Right","Left"];
for ( var i in d ) {
old["padding" + d[i]] = 0;
old["border" + d[i] + "Width"] = 0;
}
jQuery.swap( e, old, function() {
if (jQuery.css(e,"display") != "none") {
oHeight = e.offsetHeight;
oWidth = e.offsetWidth;
} else {
e = $(e.cloneNode(true)).css({
visibility: "hidden", position: "absolute", display: "block"
}).prependTo("body")[0];
oHeight = e.clientHeight;
oWidth = e.clientWidth;
e.parentNode.removeChild(e);
}
});
return p == "height" ? oHeight : oWidth;
} else if ( p == "opacity" && jQuery.browser.msie )
return parseFloat( jQuery.curCSS(e,"filter").replace(/[^0-9.]/,"") ) || 1;
return jQuery.curCSS( e, p );
},
curCSS: function(elem, prop, force) {
var ret;
if (!force && elem.style[prop]) {
ret = elem.style[prop];
} else if (elem.currentStyle) {
var newProp = prop.replace(/\-(\w)/g,function(m,c){return c.toUpperCase()});
ret = elem.currentStyle[prop] || elem.currentStyle[newProp];
} else if (document.defaultView && document.defaultView.getComputedStyle) {
prop = prop.replace(/([A-Z])/g,"-$1").toLowerCase();
var cur = document.defaultView.getComputedStyle(elem, null);
if ( cur )
ret = cur.getPropertyValue(prop);
else if ( prop == 'display' )
ret = 'none';
else
jQuery.swap(elem, { display: 'block' }, function() {
ret = document.defaultView.getComputedStyle(this,null).getPropertyValue(prop);
});
}
return ret;
},
clean: function(a) {
var r = [];
for ( var i = 0; i < a.length; i++ ) {
if ( a[i].constructor == String ) {
var table = "";
if ( !a[i].indexOf("<thead") || !a[i].indexOf("<tbody") ) {
table = "thead";
a[i] = "<table>" + a[i] + "</table>";
} else if ( !a[i].indexOf("<tr") ) {
table = "tr";
a[i] = "<table>" + a[i] + "</table>";
} else if ( !a[i].indexOf("<td") || !a[i].indexOf("<th") ) {
table = "td";
a[i] = "<table><tbody><tr>" + a[i] + "</tr></tbody></table>";
}
var div = document.createElement("div");
div.innerHTML = a[i];
if ( table ) {
div = div.firstChild;
if ( table != "thead" ) div = div.firstChild;
if ( table == "td" ) div = div.firstChild;
}