JSTests/ChakraCore/test/ControlFlow/forInObjectDelete.js

//-------------------------------------------------------------------------------------------------------
// Copyright (C) Microsoft. All rights reserved.
// Licensed under the MIT license. See LICENSE.txt file in the project root for full license information.
//-------------------------------------------------------------------------------------------------------

WScript.Echo("Delete current element");
var x = { a: 2, b: 3 };

for(var i in x)
{
    if(x[i] == 2)
        delete x[i];
    else
        WScript.Echo(x[i]);
}

WScript.Echo("Delete former element");

var o = { a: 2, b: 3 }

var n = 0;
for(var i in o)
{
    if(n++ == 1)
        delete o.a;
    WScript.Echo(i);
}