hasown.js (564B)
1 // Copyright 2021 Jamie Kyle. All rights reserved. 2 // This code is governed by the BSD license found in the LICENSE file. 3 4 /*--- 5 esid: sec-object.hasown 6 info: | 7 Object.hasOwn ( _O_, _P_ ) 8 9 1. Let _obj_ be ? ToObject(_O_). 10 2. Let _key_ be ? ToPropertyKey(_P_). 11 3. Return ? HasOwnProperty(_obj_, _key_). 12 description: > 13 Checking type of the Object.hasOwn and the returned result 14 author: Jamie Kyle 15 features: [Object.hasOwn] 16 ---*/ 17 18 assert.sameValue(typeof Object.hasOwn, 'function'); 19 assert(Object.hasOwn(Object, 'hasOwn')); 20 21 reportCompare(0, 0);