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