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.some description: > Array.prototype.some - element to be retrieved is inherited data property on an Array ---*/ var kValue = {}; function callbackfn(val, idx, obj) { if (0 === idx) { return kValue === val; } return false; } Array.prototype[0] = kValue; assert([, ].some(callbackfn), '[, ].some(callbackfn) !== true');