* (usually consisting of CSS or XPath), which then finds all matching
* elements.
*
- * By default, $() looks for DOM elements within the context of the
- * current HTML document.
+ * By default, if no context is specified, $() looks for DOM elements within the context of the
+ * current HTML document. If you do specify a context, such as a DOM
+ * element or jQuery object, the expression will be matched against
+ * the contents of that context.
+ *
+ * See [[DOM/Traversing/Selectors]] for the allowed CSS/XPath syntax for expressions.
*
* @example $("div > p")
* @desc Finds all p elements that are children of a div element.
/**
* Create DOM elements on-the-fly from the provided String of raw HTML.
*
- * @example $("<div><p>Hello</p></div>").appendTo("#body")
+ * @example $("<div><p>Hello</p></div>").appendTo("body")
* @desc Creates a div element (and all of its contents) dynamically,
- * and appends it to the element with the ID of body. Internally, an
- * element is created and it's innerHTML property set to the given markup.
+ * and appends it to the body element. Internally, an
+ * element is created and its innerHTML property set to the given markup.
* It is therefore both quite flexible and limited.
*
* @name $
* This function also accepts XML Documents and Window objects
* as valid arguments (even though they are not DOM Elements).
*
- * @example $(document.body).background( "black" );
+ * @example $(document.body).css( "background", "black" );
* @desc Sets the background color of the page to black.
*
* @example $( myForm.elements ).hide()
* A shorthand for $(document).ready(), allowing you to bind a function
* to be executed when the DOM document has finished loading. This function
* behaves just like $(document).ready(), in that it should be used to wrap
- * all of the other $() operations on your page. While this function is,
- * technically, chainable - there really isn't much use for chaining against it.
+ * other $() operations on your page that depend on the DOM being ready to be
+ * operated on. While this function is, technically, chainable - there really
+ * isn't much use for chaining against it.
+ *
* You can have as many $(document).ready events on your page as you like.
*
* See ready(Function) for details about the ready event.
jquery: "@VERSION",
/**
- * The number of elements currently matched.
+ * The number of elements currently matched. The size function will return the same value.
*
* @example $("img").length;
* @before <img src="test1.jpg"/> <img src="test2.jpg"/>
*/
/**
- * The number of elements currently matched.
+ * Get the number of elements currently matched. This returns the same
+ * number as the 'length' property of the jQuery object.
*
* @example $("img").size();
* @before <img src="test1.jpg"/> <img src="test2.jpg"/>
length: 0,
/**
- * Access all matched elements. This serves as a backwards-compatible
+ * Access all matched DOM 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).
*
+ * It is useful if you need to operate on the DOM elements themselves instead of using built-in jQuery functions.
+ *
* @example $("img").get();
* @before <img src="test1.jpg"/> <img src="test2.jpg"/>
* @result [ <img src="test1.jpg"/> <img src="test2.jpg"/> ]
*/
/**
- * Access a single matched element. num is used to access the
- * Nth element matched.
+ * Access a single matched DOM element at a specified index in the matched set.
+ * This allows you to extract the actual DOM element and operate on it
+ * directly without necessarily using jQuery functionality on it.
*
* @example $("img").get(0);
* @before <img src="test1.jpg"/> <img src="test2.jpg"/>
- * @result [ <img src="test1.jpg"/> ]
+ * @result <img src="test1.jpg"/>
* @desc Selects all images in the document and returns the first one
*
* @name get
* 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.
+ * points to the specific DOM element.
*
* Additionally, the function, when executed, is passed a single
* argument representing the position of the element in the matched
- * set.
+ * set (integer, zero-index).
*
* @example $("img").each(function(i){
* this.src = "test" + i + ".jpg";
*/
clone: function(deep) {
return this.pushStack( jQuery.map( this, function(a){
- return a.cloneNode( deep != undefined ? deep : true );
+ var a = a.cloneNode( deep != undefined ? deep : true );
+ a.$events = null; // drop $events expando to avoid firing incorrect events
+ return a;
}) );
},
/**
* Extends the jQuery object itself. Can be used to add functions into
- * the jQuery namespace and to add plugin methods (plugins).
+ * the jQuery namespace and to [[Plugins/Authoring|add plugin methods]] (plugins).
*
* @example jQuery.fn.extend({
* check: function() {
// This may seem like some crazy code, but trust me when I say that this
// is the only cross-browser way to do this. --John
isFunction: function( fn ) {
- return !!fn && typeof fn != "string" &&
+ return !!fn && typeof fn != "string" && !fn.nodeName &&
typeof fn[0] == "undefined" && /function/i.test( fn + "" );
},
prop: function(elem, value, type, index, prop){
// Handle executable functions
if ( jQuery.isFunction( value ) )
- return value.call( elem, [index] );
+ value = value.call( elem, [index] );
// exclude the following css properties to add px
var exclude = /z-?index|font-?weight|opacity|zoom|line-?height/i;
// internal only, use is(".class")
has: function( t, c ) {
t = t.className || t;
+ // escape regex characters
+ c = c.replace(/([\.\\\+\*\?\[\^\]\$\(\)\{\}\=\!\<\>\|\:])/g, "\\$1");
return t && new RegExp("(^|\\s)" + c + "(\\s|$)").test( t );
}
},
arg = div.childNodes;
}
- if ( arg.length === 0 )
+ if ( arg.length === 0 && !jQuery.nodeName(arg, "form") )
return;
- if ( arg[0] == undefined || jQuery.nodeName(arg,"form") )
+ if ( arg[0] == undefined || jQuery.nodeName(arg, "form") )
r.push( arg );
else
r = jQuery.merge( r, arg );
// IE elem.getAttribute passes even for style
else if ( elem.tagName ) {
if ( value != undefined ) elem.setAttribute( name, value );
- if ( name == "href" && jQuery.browser.msie && !jQuery.isXMLDoc(elem) ) return elem.getAttribute( name, 2 );
+ if ( jQuery.browser.msie && /href|src/.test(name) && !jQuery.isXMLDoc(elem) )
+ return elem.getAttribute( name, 2 );
return elem.getAttribute( name );
// elem is actually elem.style ... set the style
git.asbjorn.biz / jquery.git / blobdiff