Complete overhaul of the Ajax test suite, it's now passing in all browsers. In order...

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

diff --git a/src/jquery/jquery.js b/src/jquery/jquery.js
index 98cbf37..b7091e2 100644 (file)
--- a/src/jquery/jquery.js
+++ b/src/jquery/jquery.js
@@ -1252,17 +1252,33 @@ jQuery.fn = jQuery.prototype = {
  */
 jQuery.extend = jQuery.fn.extend = function() {
        // copy reference to target object
-       var target = arguments[0], a = 1;
+       var target = arguments[0] || {}, a = 1, al = arguments.length;
 
        // extend jQuery itself if only one argument is passed
-       if ( arguments.length == 1 ) {
+       if ( al == 1 ) {
                target = this;
                a = 0;
        }
+
        var prop;
-       while ( (prop = arguments[a++]) != null )
-               // Extend the base object
-               for ( var i in prop ) target[i] = prop[i];
+
+       for ( ; a < al; a++ )
+               // Only deal with non-null/undefined values
+               if ( (prop = arguments[a]) != null )
+                       // Extend the base object
+                       for ( var i in prop ) {
+                               // Prevent never-ending loop
+                               if ( target == prop[i] )
+                                       continue;
+
+                               // Recurse if we're merging object values
+                               if ( typeof prop[i] == 'object' && target[i] )
+                                       jQuery.extend( target[i], prop[i] );
+
+                               // Don't bring in undefined values
+                               else if ( prop[i] != undefined )
+                                       target[i] = prop[i];
+                       }
 
        // Return the modified object
        return target;
@@ -1577,7 +1593,11 @@ jQuery.extend({
                                        [3, "<table><tbody><tr>", "</tr></tbody></table>"] ||
                                        
                                        !s.indexOf("<col") &&
-                                       [2, "<table><colgroup>", "</colgroup></table>"] ||
+                                       [2, "<table><tbody></tbody><colgroup>", "</colgroup></table>"] ||
+
+                                       // IE can't serialize <link> and <script> tags normally
+                                       jQuery.browser.msie &&
+                                       [1, "div<div>", "</div>"] ||
                                        
                                        [0,"",""];
 
@@ -1586,7 +1606,7 @@ jQuery.extend({
                                
                                // Move to the right depth
                                while ( wrap[0]-- )
-                                       div = div.firstChild;
+                                       div = div.lastChild;
                                
                                // Remove IE's autoinserted <tbody> from table fragments
                                if ( jQuery.browser.msie ) {