Just pushed in my changes for making jQuery.each on objects faster, sample results...

[jquery.git] / src / jquery / jquery.js

diff --git a/src/jquery/jquery.js b/src/jquery/jquery.js
index b7091e2..76b08ed 100644 (file)
--- a/src/jquery/jquery.js
+++ b/src/jquery/jquery.js
@@ -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
@@ -1387,12 +1391,24 @@ 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;
        },