JavaScript Sleep

function sleep(millisecond)
{
    var now = new Date();
    var outTime = now.getTime() + millisecond;
    while (true)
    {
        now = new Date();
        if (now.getTime() > outTime)
        {
            return;
        }
    }
}


function Test()
{
    alert("sleep");
    sleep(3000);
    alert("continue");
}