Javascript code for making my browser slow down

Question

I\'m writing a library for WebWorkers, and I want to test the difference between running a script in the main page thread, versus in one or more workers. The problem is: I can\'

Answer 1

Everyone seems determined to be complicated. Why not this?

function waste_time(amount) {
    for(var i = 0; i < amount; i++);
}

If you're concerned the browser will optimize the loop out of existence entirely, you can make it marginally more complicated:

function waste_time(amount) {
    var tot = 0;
    for(var i = 0; i < amount; i++)
        tot += i;
}