// A simple way to check for HTML strings or ID strings
// (both of which we optimize for)
- quickExpr = /^[^<]*(<(.|\s)+>)[^>]*$|^#([\w-]+)$/,
+ quickExpr = /^[^<]*(<[\w\W]+>)[^>]*$|^#([\w-]+)$/,
// Is it a simple selector
isSimple = /^.[^:#\[\.,]*$/,
// Used for trimming whitespace
rtrim = /^\s+|\s+$/g,
+ // Match a standalone tag
+ rsingleTag = /<(\w+)\s*\/?>(?:<\/\1>)?$/,
+
// Keep a UserAgent string for use with jQuery.browser
userAgent = navigator.userAgent.toLowerCase(),
// Save a reference to some core methods
toString = Object.prototype.toString,
+ hasOwnProperty = Object.prototype.hasOwnProperty,
push = Array.prototype.push,
- slice = Array.prototype.slice;
-
-// Expose jQuery to the global object
-window.jQuery = window.$ = jQuery;
+ slice = Array.prototype.slice,
+ indexOf = Array.prototype.indexOf;
jQuery.fn = jQuery.prototype = {
init: function( selector, context ) {
- var match, elem, ret;
+ var match, elem, ret, doc;
// Handle $(""), $(null), or $(undefined)
- if ( !selector ) return this;
+ if ( !selector ) {
+ return this;
+ }
// Handle $(DOMElement)
if ( selector.nodeType ) {
this.context = this[0] = selector;
- this.length++;
+ this.length = 1;
return this;
}
// HANDLE: $(html) -> $(array)
if ( match[1] ) {
- selector = jQuery.clean( [ match[1] ], context );
+ doc = (context ? context.ownerDocument || context : document);
+
+ // If a single string is passed in and it's a single tag
+ // just do a createElement and skip the rest
+ ret = rsingleTag.exec( selector );
+
+ if ( ret ) {
+ selector = [ doc.createElement( ret[1] ) ];
+
+ } else {
+ ret = buildFragment( [ match[1] ], [ doc ] );
+ selector = (ret.cacheable ? ret.fragment.cloneNode(true) : ret.fragment).childNodes;
+ }
// HANDLE: $("#id")
} else {
- elem = document.getElementById( match[3] );
+ elem = document.getElementById( match[2] );
if ( elem ) {
// Handle the case where IE and Opera return items
// by name instead of ID
- if ( elem.id !== match[3] ) return rootjQuery.find( selector );
+ if ( elem.id !== match[2] ) {
+ return rootjQuery.find( selector );
+ }
// Otherwise, we inject the element directly into the jQuery object
- this.length++;
+ this.length = 1;
this[0] = elem;
}
return this;
}
+ // HANDLE: $("TAG")
+ } else if ( !context && /^\w+$/.test( selector ) ) {
+ this.selector = selector;
+ this.context = document;
+ selector = document.getElementsByTagName( selector );
+
// HANDLE: $(expr, $(...))
} else if ( !context || context.jquery ) {
return (context || rootjQuery).find( selector );
return rootjQuery.ready( selector );
}
- // Make sure that old selector state is passed along
- if ( selector.selector && selector.context ) {
+ if (selector.selector !== undefined) {
this.selector = selector.selector;
this.context = selector.context;
}
this.toArray() :
// Return just the object
- ( num < 0 ? this.toArray(num)[ 0 ] : this[ num ] );
+ ( num < 0 ? this.slice(num)[ 0 ] : this[ num ] );
},
// Take an array of elements and push it onto the stack
},
is: function( selector ) {
- return !!selector && jQuery.multiFilter( selector, this ).length > 0;
+ return !!selector && jQuery.filter( selector, this ).length > 0;
},
// For internal use only.
clone = src;
} else if ( jQuery.isArray(copy) ) {
clone = [];
- } else if ( jQuery.isObject(copy) ) {
+ } else if ( jQuery.isObjectLiteral(copy) ) {
clone = {};
} else {
clone = copy;
return toString.call(obj) === "[object Array]";
},
- isObject: function( obj ) {
- return this.constructor.call(obj) === Object;
+ isObjectLiteral: function( obj ) {
+ if ( toString.call(obj) !== "[object Object]" ) {
+ return false;
+ }
+
+ //own properties are iterated firstly,
+ //so to speed up, we can test last one if it is own or not
+
+ var key;
+ for ( key in obj ) {}
+
+ return !key || hasOwnProperty.call( obj, key );
},
isEmptyObject: function( obj ) {
// check if an element is in a (or is an) XML document
isXMLDoc: function( elem ) {
- return (elem.ownerDocument || elem).documentElement.nodeName !== "HTML";
+ // documentElement is verified for cases where it doesn't yet exist
+ // (such as loading iframes in IE - #4833)
+ var documentElement = (elem ? elem.ownerDocument || elem : 0).documentElement;
+ return documentElement ? documentElement.nodeName !== "HTML" : false;
},
// Evalulates a script in a global context
// expando of getElementsByTagName
var i = 0, elem, pos = first.length;
- // Also, we need to make sure that the correct elements are being returned
- // (IE returns comment nodes in a '*' query)
- if ( !jQuery.support.getAll ) {
- while ( (elem = second[ i++ ]) != null ) {
- if ( elem.nodeType !== 8 ) {
- first[ pos++ ] = elem;
- }
- }
-
- } else {
- while ( (elem = second[ i++ ]) != null ) {
- first[ pos++ ] = elem;
- }
+ while ( (elem = second[ i++ ]) != null ) {
+ first[ pos++ ] = elem;
}
return first;
},
- unique: function( array ) {
- var ret = [], done = {}, id;
-
- try {
- for ( var i = 0, length = array.length; i < length; i++ ) {
- id = jQuery.data( array[ i ] );
-
- if ( !done[ id ] ) {
- done[ id ] = true;
- ret.push( array[ i ] );
- }
- }
- } catch( e ) {
- ret = array;
- }
-
- return ret;
- },
-
grep: function( elems, callback, inv ) {
var ret = [];
}
});
+if ( indexOf ) {
+ jQuery.inArray = function( elem, array ) {
+ return indexOf.call( array, elem );
+ };
+}
+
// All jQuery objects should point back to these
rootjQuery = jQuery(document);
}
}
+// Mutifunctional method to get and set values to a collection
+// The value/s can be optionally by executed if its a function
+function access( elems, key, value, exec, fn ) {
+ var l = elems.length;
+
+ // Setting many attributes
+ if ( typeof key === "object" ) {
+ for (var k in key) {
+ access(elems, k, key[k], exec, fn);
+ }
+ return elems;
+ }
+
+ // Setting one attribute
+ if (value !== undefined) {
+ // Optionally, function values get executed if exec is true
+ exec = exec && jQuery.isFunction(value);
+
+ for (var i = 0; i < l; i++) {
+ var elem = elems[i],
+ val = exec ? value.call(elem, i) : value;
+ fn(elem, key, val);
+ }
+ return elems;
+ }
+
+ // Getting an attribute
+ return l ? fn(elems[0], key) : null;
+}
+
function now() {
return (new Date).getTime();
}