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35 lines
705 B
JavaScript
35 lines
705 B
JavaScript
// Copyright (C) 2016 the V8 project 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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es6id: 21.1.4
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description: Instances has the own property length
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info: |
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21.1.4 Properties of String Instances
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...
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String instances have a length property, and a set of enumerable properties
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with integer indexed names.
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includes: [propertyHelper.js]
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---*/
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class S extends String {}
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var s1 = new S();
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verifyProperty(s1, 'length', {
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value: 0,
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writable: false,
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enumerable: false,
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configurable: false,
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});
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var s2 = new S('test262');
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verifyProperty(s2, 'length', {
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value: 7,
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writable: false,
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enumerable: false,
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configurable: false,
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});
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