//------------------------------------------------------------------------------------------------------- // Copyright (C) Microsoft. All rights reserved. // Licensed under the MIT license. See LICENSE.txt file in the project root for full license information. //------------------------------------------------------------------------------------------------------- for (var b in [1]) { NaN+=b; } WScript.Echo(NaN); var x = 4; Object.defineProperty(this, "x", { writable: false }); x = 3; WScript.Echo(x);