Strict mode Passingnon-Strict mode Passing
Features:
- Proxy
// Copyright (C) 2015 the V8 project authors. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- es6id: 9.5.6 description: > Return target.[[DefineOwnProperty]](P, Desc) if trap is undefined. info: | [[DefineOwnProperty]] (P, Desc) ... 8. If trap is undefined, then a. Return target.[[DefineOwnProperty]](P, Desc). ... includes: [propertyHelper.js] features: [Proxy] ---*/ var target = {}; var p = new Proxy(target, {}); Object.defineProperty(p, "attr", { configurable: true, enumerable: true, writable: true, value: 1 }); verifyEqualTo(target, "attr", 1); verifyProperty(target, "attr", { writable: true, enumerable: true, configurable: true, }); Object.defineProperty(p, "attr", { configurable: false, enumerable: false, writable: false, value: 2 }); verifyEqualTo(target, "attr", 2); verifyProperty(target, "attr", { writable: false, enumerable: false, configurable: false, });