X-Git-Url: http://git.asbjorn.it/?a=blobdiff_plain;f=src%2Fcore.js;h=c9076b682d9a6a6b2c9c3494f47ae9af319f9d54;hb=ba48be3ada51aee683ce5992c5f00a8458f385f8;hp=6accbc4663b2bcfd50f3fc9e3dfbb90cde08624b;hpb=eeab07179038a6a444e4b819f942663157768dfb;p=jquery.git

diff --git a/src/core.js b/src/core.js
index 6accbc4..c9076b6 100644
--- a/src/core.js
+++ b/src/core.js
@@ -1138,16 +1138,16 @@ jQuery.extend({
 	merge: function( first, second ) {
 		// We have to loop this way because IE & Opera overwrite the length
 		// expando of getElementsByTagName
-
+		var i = 0;
 		// Also, we need to make sure that the correct elements are being returned
 		// (IE returns comment nodes in a '*' query)
 		if ( jQuery.browser.msie ) {
-			for ( var i = 0; second[ i ]; i++ )
+			for ( ; second[ i ]; i++ )
 				if ( second[ i ].nodeType != 8 )
 					first.push( second[ i ] );
 
 		} else
-			for ( var i = 0; second[ i ]; i++ )
+			for ( ; second[ i ]; i++ )
 				first.push( second[ i ] );
 
 		return first;
@@ -1194,15 +1194,11 @@ jQuery.extend({
 		for ( var i = 0, length = elems.length; i < length; i++ ) {
 			var value = callback( elems[ i ], i );
 
-			if ( value !== null && value != undefined ) {
-				if ( value.constructor != Array )
-					value = [ value ];
-
-				ret = ret.concat( value );
-			}
+			if ( value != null )
+				ret[ ret.length ] = value;
 		}
 
-		return ret;
+		return ret.concat.apply( [], ret );
 	}
 });