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21 lines
529 B
JavaScript
21 lines
529 B
JavaScript
// Copyright (c) 2012 Ecma International. 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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es5id: 15.2.3.10-3-22
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description: >
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Object.preventExtensions - properties can still be deleted after
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extensions have been prevented
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---*/
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var obj = {
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prop: 12
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};
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var preCheck = Object.isExtensible(obj);
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Object.preventExtensions(obj);
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delete obj.prop;
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assert(preCheck, 'preCheck !== true');
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assert.sameValue(obj.hasOwnProperty("prop"), false, 'obj.hasOwnProperty("prop")');
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