Strict mode Passingnon-Strict mode Passing
Features:
- Symbol
// Copyright (C) 2015 André Bargull. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- es6id: 19.4.2.5 description: > Symbol.keyFor.name is "keyFor". info: | Symbol.keyFor ( sym ) 17 ECMAScript Standard Built-in Objects: Every built-in Function object, including constructors, that is not identified as an anonymous function has a name property whose value is a String. Unless otherwise specified, the name property of a built-in Function object, if it exists, has the attributes { [[Writable]]: false, [[Enumerable]]: false, [[Configurable]]: true }. includes: [propertyHelper.js] features: [Symbol] ---*/ verifyProperty(Symbol.keyFor, "name", { value: "keyFor", writable: false, enumerable: false, configurable: true });