How to update website background?

Question

JavaScript

Hello everybody!
There are several (3) images in the background folder.
How can I make the background change when the page is refreshed?

Answer 1

var path = '/bg/';
var rand = Math.round(Math.random() * 3);
$('body').css('backgroundImage', path + rand + ".jpg");

something like this

Answer 2

Greetings!
Look here
searchengines.guru/showthread.php?t=817209