var quickExpr = /^[^<]*(<(.|\s)+>)[^>]*$|^#(\w+)$/,
// Is it a simple selector
- isSimple = /^.[^:#\[\.]*$/;
+ isSimple = /^.[^:#\[\.]*$/,
+
+// Will speed up references to undefined, and allows munging its name.
+ undefined;
jQuery.fn = jQuery.prototype = {
init: function( selector, context ) {
var ret = -1;
// Locate the position of the desired element
- this.each(function(i){
- if ( this == elem )
- ret = i;
- });
-
- return ret;
+ return jQuery.inArray(
+ // If it receives a jQuery object, the first element is used
+ elem && elem.jquery ? elem[0] : elem
+ , this );
},
attr: function( name, value, type ) {
},
add: function( selector ) {
- return !selector ? this : this.pushStack( jQuery.merge(
+ return this.pushStack( jQuery.unique( jQuery.merge(
this.get(),
- selector.constructor == String ?
- jQuery( selector ).get() :
- selector.length != undefined && (!selector.nodeName || jQuery.nodeName(selector, "form")) ?
- selector : [selector] ) );
+ typeof selector == 'string' ?
+ jQuery( selector ) :
+ jQuery.makeArray( selector )
+ )));
},
is: function( selector ) {
inArray: function( elem, array ) {
for ( var i = 0, length = array.length; i < length; i++ )
- if ( array[ i ] == elem )
+ // Use === because on IE, window == document
+ if ( array[ i ] === elem )
return i;
return -1;