// Recurse if we're merging object values
if ( deep && copy && typeof copy === "object" && !copy.nodeType ) {
- target[ name ] = jQuery.extend( deep,
- // Never move original objects, clone them
- src || ( jQuery.isArray(copy) ? [ ] : { } ), copy );
+ var clone;
+
+ if( src ) clone = src;
+ else if( jQuery.isArray(copy) ) clone = [ ];
+ else if( jQuery.isObject(copy) ) clone = { };
+ else clone = copy;
+
+ // Never move original objects, clone them
+ target[ name ] = jQuery.extend( deep, clone, copy );
// Don't bring in undefined values
} else if ( copy !== undefined ) {
return toString.call(obj) === "[object Array]";
},
+ isObject: function( obj ) {
+ return this.constructor.call(obj) === Object;
+ },
+
+ isEmptyObject: function( obj ) {
+ var name = "";
+ for(name in obj) break;
+ return !name;
+ },
+
// check if an element is in a (or is an) XML document
isXMLDoc: function( elem ) {
return elem.nodeType === 9 && elem.documentElement.nodeName !== "HTML" ||