Strict mode Passingnon-Strict mode Passing
Features:
- String.prototype.includes
// Copyright (C) 2015 the V8 project authors. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- es6id: 21.1.3.7 description: > Property type and descriptor. info: | 21.1.3.7 String.prototype.includes ( searchString [ , position ] ) 17 ECMAScript Standard Built-in Objects includes: [propertyHelper.js] features: [String.prototype.includes] ---*/ assert.sameValue( typeof String.prototype.includes, 'function', '`typeof String.prototype.includes` is `function`' ); verifyProperty(String.prototype, 'includes', { writable: true, enumerable: false, configurable: true, });