Strict mode Passingnon-Strict mode Passing
Features:
- Array.prototype.flat
// Copyright (C) 2018 Shilpi Jain and Michael Ficarra. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- esid: sec-array.prototype.flat description: > arrays with null, and undefined includes: [compareArray.js] features: [Array.prototype.flat] ---*/ var a = [void 0]; assert.compareArray( [1, null, void 0].flat(), [1, null, undefined], '[1, null, void 0].flat() must return [1, null, undefined]' ); assert.compareArray( [1, [null, void 0]].flat(), [1, null, undefined], '[1, [null, void 0]].flat() must return [1, null, undefined]' ); assert.compareArray([ [null, void 0], [null, void 0] ].flat(), [null, undefined, null, undefined], '[ [null, void 0], [null, void 0] ].flat() must return [null, undefined, null, undefined]'); assert.compareArray([1, [null, a]].flat(1), [1, null, a], '[1, [null, a]].flat(1) must return [1, null, a]'); assert.compareArray( [1, [null, a]].flat(2), [1, null, undefined], '[1, [null, a]].flat(2) must return [1, null, undefined]' );