X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=src%2Fjquery%2Fjquery.js;h=1d2e197970b002b31219ac29ca4066dc4913e1b6;hb=8c15e852a4614ba5a5100e1c6e8a833c39b4ca79;hp=b7091e26fa97c1b2924966cf3cc73748175ed50f;hpb=2ef4093cf7f52383dd43bd361864edcda27e5c3c;p=jquery.git

diff --git a/src/jquery/jquery.js b/src/jquery/jquery.js
index b7091e2..1d2e197 100644
--- a/src/jquery/jquery.js
+++ b/src/jquery/jquery.js
@@ -301,7 +301,7 @@ jQuery.fn = jQuery.prototype = {
 	 */
 	setArray: function( a ) {
 		this.length = 0;
-		[].push.apply( this, a );
+		Array.prototype.push.apply( this, a );
 		return this;
 	},
 
@@ -1160,6 +1160,10 @@ jQuery.fn = jQuery.prototype = {
 			( this.length ? this[0].innerHTML : null ) :
 			this.empty().append( val );
 	},
+
+	slice: function() {
+		return this.pushStack( Array.prototype.slice.apply( this, arguments ) );
+	},
 	
 	/**
 	 * @private
@@ -1252,7 +1256,13 @@ jQuery.fn = jQuery.prototype = {
  */
 jQuery.extend = jQuery.fn.extend = function() {
 	// copy reference to target object
-	var target = arguments[0] || {}, a = 1, al = arguments.length;
+	var target = arguments[0] || {}, a = 1, al = arguments.length, deep = false;
+
+	// Handle a deep copy situation
+	if ( target.constructor == Boolean ) {
+		deep = target;
+		target = arguments[1] || {};
+	}
 
 	// extend jQuery itself if only one argument is passed
 	if ( al == 1 ) {
@@ -1272,7 +1282,7 @@ jQuery.extend = jQuery.fn.extend = function() {
 					continue;
 
 				// Recurse if we're merging object values
-				if ( typeof prop[i] == 'object' && target[i] )
+				if ( deep && typeof prop[i] == 'object' && target[i] )
 					jQuery.extend( target[i], prop[i] );
 
 				// Don't bring in undefined values
@@ -1387,12 +1397,24 @@ jQuery.extend({
 	 */
 	// args is for internal usage only
 	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, ol = obj.length; i < ol; i++ )
-				if ( fn.apply( obj[i], args || [i, obj[i]] ) === false ) break;
+		if ( args ) {
+			if ( obj.length == undefined )
+				for ( var i in obj )
+					fn.apply( obj[i], args );
+			else
+				for ( var i = 0, ol = obj.length; i < ol; i++ )
+					if ( fn.apply( obj[i], args ) === false ) break;
+
+		// A special, fast, case for the most common use of each
+		} else {
+			if ( obj.length == undefined )
+				for ( var i in obj )
+					fn.call( obj[i], i, obj[i] );
+			else
+				for ( var i = 0, ol = obj.length, val = obj[0]; 
+					i < ol && fn.call(val,i,val) !== false; val = obj[++i] );
+		}
+
 		return obj;
 	},