More clean up on jQuery.clean

diff --git a/src/jquery/jquery.js b/src/jquery/jquery.js
index 303350a..3816296 100644 (file)
--- a/src/jquery/jquery.js
+++ b/src/jquery/jquery.js
@@ -1548,9 +1548,10 @@ jQuery.extend({
        clean: function(a) {
                var r = [];
                for ( var i = 0; i < a.length; i++ ) {
-                       if ( a[i].constructor == String ) { // Convert html string into DOM nodes
+                       var arg = a[i];
+                       if ( arg.constructor == String ) { // Convert html string into DOM nodes
                                // Trim whitespace, otherwise indexOf won't work as expected
-                               var s = jQuery.trim(a[i]), div = document.createElement("div"), wrap = [0,"",""];
+                               var s = jQuery.trim(arg), div = document.createElement("div"), wrap = [0,"",""];
 
                                if ( !s.indexOf("<opt") ) // option or optgroup
                                        wrap = [1, "<select>", "</select>"];
@@ -1564,14 +1565,14 @@ jQuery.extend({
                                // Go to html and back, then peel off extra wrappers
                                div.innerHTML = wrap[1] + s + wrap[2];
                                while ( wrap[0]-- ) div = div.firstChild;
-                               a[i] = div.childNodes;
+                               arg = div.childNodes;
                        }
 
-                       if ( a[i].length != undefined && !a[i].nodeType ) // Handles Array, jQuery, DOM NodeList collections
-                               for ( var n=0; n < a[i].length; n++ )
-                                       r.push(a[i][n]);
-                       else if ( a[i] !== null )
-                               r.push( a[i].nodeType ? a[i] : document.createTextNode(a[i].toString()) );
+                       if ( arg.length != undefined && !arg.nodeType ) // Handles Array, jQuery, DOM NodeList collections
+                               for ( var n = 0; n < arg.length; n++ )
+                                       r.push(arg[n]);
+                       else
+                               r.push( arg.nodeType ? arg : document.createTextNode(arg.toString()) );
                }
 
                return r;