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 - deleting own property causes index property not to be visited on an Array ---*/ var accessed = false; function callbackfn(val, idx, obj) { accessed = true; return idx === 1; } var arr = [1, 2]; Object.defineProperty(arr, "1", { get: function() { return "6.99"; }, configurable: true }); Object.defineProperty(arr, "0", { get: function() { delete arr[1]; return 0; }, configurable: true }); assert.sameValue(arr.some(callbackfn), false, 'arr.some(callbackfn)'); assert(accessed, 'accessed !== true');