| // Copyright 2009 the Sputnik authors. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| |
| /** |
| * Reference to Self-Modifying Object remain the integrity |
| * |
| * @path ch08/8.7/S8.7_A2.js |
| * @description Create a reference to the array, and change original array |
| */ |
| |
| ////////////////////////////////////////////////////////////////////////////// |
| //CHECK#1 |
| // Create an array of items |
| var items = new Array( "one", "two", "three" ); |
| // Create a reference to the array of items |
| var itemsRef = items; |
| // Add an item to the original array |
| items.push( "four" );var itemsRef = items; |
| // The length of each array should be the same, |
| // since they both point to the same array object |
| if( itemsRef.length !== 4){ |
| $ERROR('#1: var items = new Array( "one", "two", "three" ); var itemsRef = items; items.push( "four" );var itemsRef = items; itemsRef.length !== 4'); |
| }; |
| // |
| ////////////////////////////////////////////////////////////////////////////// |
| |
| ////////////////////////////////////////////////////////////////////////////// |
| //CHECK# |
| // Create an array of items |
| var items = new Array( "one", "two", "three" ); |
| // Create a reference to the array of items |
| var itemsRef = items; |
| // Add an item to the original array |
| items[1]="duo"; |
| // The length of each array should be the same, |
| // since they both point to the same array object |
| if( itemsRef[1] !== "duo"){ |
| $ERROR('#2: var items = new Array( "one", "two", "three" ); var itemsRef = items; items[1]="duo"; itemsRef[1] === "duo". Actual: ' + (itemsRef[1])); |
| }; |
| // |
| ////////////////////////////////////////////////////////////////////////////// |
| |
