array_ctr.js

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

function write(v) { WScript.Echo(v); }

var a;

a = new Array();
write(a.length);

a = new Array(10);
write(a.length);

a = new Array(new Number(10.2));
write(a.length);
write(a[0]);

a = new Array(new Array());
write(a.length);

var wo = new Object();
wo.valueOf = function() {return 12}
var we = [1, 2, 3];
we.length = "33";
write(we.length);
we.length = wo;
write(we.length);
we.length = null;
write(we.length);
try {
we.length = undefined;
write(we.length);
}
catch (e) {
    write(e.message);
}
try {
we.length = "foo";
}
catch (e) {
    write(e.message);
}
WScript.Echo(we.length);
try {
    we.length = Infinity;
    write(we.length);
}
catch (e) {
    write(e.message);
}