How do I make my background change images automatically every 15 seconds? JavaScript? jQuery?

Question

I know this sounds simple and I searched up and down the web for a script but cant find anything. I just want my backgrounds to change every 15 seconds or so automatically. (lik

Answer 1

Simple enough to do with setInterval:

var currentIndex = 1;
var totalCount = 21;

setInterval(function() {
    if (currentIndex > totalCount)
        currentIndex = 1;

    $(body).css('background-image', 'url(/bg' + currentIndex++ + '.jpg)');
}, 15000);