| // Copyright (C) 2018 Leo Balter. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| |
| /*--- |
| esid: sec-array.prototype.flatMap |
| description: Property type and descriptor. |
| info: > |
| 17 ECMAScript Standard Built-in Objects |
| |
| Every other data property described in clauses 18 through 26 and in Annex B.2 |
| has the attributes { [[Writable]]: true, [[Enumerable]]: false, |
| [[Configurable]]: true } unless otherwise specified. |
| includes: [propertyHelper.js] |
| features: [Array.prototype.flatMap] |
| ---*/ |
| |
| assert.sameValue( |
| typeof Array.prototype.flatMap, |
| 'function', |
| '`typeof Array.prototype.flatMap` is `function`' |
| ); |
| |
| verifyProperty(Array.prototype, 'flatMap', { |
| enumerable: false, |
| writable: true, |
| configurable: true, |
| }); |
