Strict mode Passingnon-Strict mode Passing
Features:
- ∅
// Copyright (c) 2012 Ecma International. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- esid: sec-array.prototype.indexof description: > Array.prototype.indexOf - returns index of last one when more than two elements in array are eligible ---*/ assert.sameValue([1, 2, 2, 1, 2].indexOf(2), 1, '[1, 2, 2, 1, 2].indexOf(2)');