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: > null or undefined should throw TypeError Exception features: [Array.prototype.flat] ---*/ assert.sameValue(typeof Array.prototype.flat, 'function'); assert.throws(TypeError, function() { [].flat.call(null); }, 'null value'); assert.throws(TypeError, function() { [].flat.call(); }, 'missing'); assert.throws(TypeError, function() { [].flat.call(void 0); }, 'undefined');