Strict mode Passingnon-Strict mode Passing
Features:
- ∅
// Copyright (C) 2015 the V8 project authors. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- esid: sec-array.prototype.copywithin description: Property type and descriptor. info: | 22.1.3.3 Array.prototype.copyWithin (target, start [ , end ] ) 17 ECMAScript Standard Built-in Objects includes: [propertyHelper.js] ---*/ assert.sameValue( typeof Array.prototype.copyWithin, 'function', '`typeof Array.prototype.copyWithin` is `function`' ); verifyProperty(Array.prototype, "copyWithin", { writable: true, enumerable: false, configurable: true });