Made jQuery.extend(true, ...) to extend recursively only 'object literal' values.

[jquery.git] / src / core.js

diff --git a/src/core.js b/src/core.js
index 1d5a25b..b821336 100644 (file)
--- a/src/core.js
+++ b/src/core.js
@@ -272,19 +272,10 @@ jQuery.extend = jQuery.fn.extend = function() {
                                        continue;
                                }
 
-                               // Recurse if we're merging object values
-                               if ( deep && copy && typeof copy === "object" && !copy.nodeType ) {
-                                       var clone;
-
-                                       if ( src ) {
-                                               clone = src;
-                                       } else if ( jQuery.isArray(copy) ) {
-                                               clone = [];
-                                       } else if ( jQuery.isObjectLiteral(copy) ) {
-                                               clone = {};
-                                       } else {
-                                               clone = copy;
-                                       }
+                               // Recurse if we're merging object literal values
+                               if ( deep && copy && jQuery.isObjectLiteral(copy) ) {
+                                       // Don't extend not object literals
+                                       var clone = src && jQuery.isObjectLiteral(src) ? src : {};
 
                                        // Never move original objects, clone them
                                        target[ name ] = jQuery.extend( deep, clone, copy );