michael@0: // Copyright 2009 the Sputnik authors.  All rights reserved.
michael@0: // This code is governed by the BSD license found in the LICENSE file.
michael@0: 
michael@0: /**
michael@0:  * Changing the Reference of an Object While Maintaining Integrity
michael@0:  *
michael@0:  * @path ch08/8.7/S8.7_A3.js
michael@0:  * @description Create a reference to the array, and redefine original array with new array
michael@0:  */
michael@0: 
michael@0: //////////////////////////////////////////////////////////////////////////////
michael@0: //CHECK#
michael@0: // Set items to an array (object) of strings
michael@0: var items = new Array( "one", "two", "three" );
michael@0: // Set itemsRef to a reference to items
michael@0: //
michael@0: var itemsRef = items;
michael@0: // Set items to equal a new object
michael@0: //
michael@0: items = new Array( "new", "array" );
michael@0: // items and itemsRef now point to different objects.
michael@0: // items points to new Array( "new", "array" )
michael@0: // itemsRef points to new Array( "one", "two", "three" )
michael@0: if( items == itemsRef ){
michael@0:   $ERROR('#1: var items = new Array( "one", "two", "three" ); var itemsRef = items; items = new Array( "new", "array" ); items != itemsRef');
michael@0: };
michael@0: //
michael@0: //////////////////////////////////////////////////////////////////////////////
michael@0: