X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=src%2Fcore.js;h=756117c091db84c5e20da26954195653ce3eb751;hb=474d814076963f41157c0054448984c00fd46c1b;hp=6e41eb9f474a0cb7c05f44fc1391a5ac4c9a39dc;hpb=ede2f2c4f76aba3c0a279d8ca26e8176942cd83f;p=jquery.git

diff --git a/src/core.js b/src/core.js
index 6e41eb9..756117c 100644
--- a/src/core.js
+++ b/src/core.js
@@ -210,25 +210,6 @@ jQuery.fn = jQuery.prototype = {
 	each: function( callback, args ) {
 		return jQuery.each( this, callback, args );
 	},
-
-	// Determine the position of an element within
-	// the matched set of elements
-	index: function( elem ) {
-		if ( !elem || typeof elem === "string" ) {
-			return jQuery.inArray( this[0],
-				// If it receives a string, the selector is used
-				// If it receives nothing, the siblings are used
-				elem ? jQuery( elem ) : this.parent().children() );
-		}
-		// Locate the position of the desired element
-		return jQuery.inArray(
-			// If it receives a jQuery object, the first element is used
-			elem.jquery ? elem[0] : elem, this );
-	},
-
-	is: function( selector ) {
-		return !!selector && jQuery.filter( selector, this ).length > 0;
-	},
 	
 	ready: function( fn ) {
 		// Attach the listeners
@@ -247,6 +228,35 @@ jQuery.fn = jQuery.prototype = {
 
 		return this;
 	},
+	
+	eq: function( i ) {
+		return i === -1 ?
+			this.slice( i ) :
+			this.slice( i, +i + 1 );
+	},
+
+	first: function() {
+		return this.eq( 0 );
+	},
+
+	last: function() {
+		return this.eq( -1 );
+	},
+
+	slice: function() {
+		return this.pushStack( slice.apply( this, arguments ),
+			"slice", slice.call(arguments).join(",") );
+	},
+
+	map: function( callback ) {
+		return this.pushStack( jQuery.map(this, function(elem, i){
+			return callback.call( elem, i, elem );
+		}));
+	},
+	
+	end: function() {
+		return this.prevObject || jQuery(null);
+	},
 
 	// For internal use only.
 	// Behaves like an Array's method, not like a jQuery method.