MediaWiki:Common.js

/* Any JavaScript here will be loaded for all users on every page load. */

var a = [
	"One",
	"Two",
	"Three",
	"Four",
	"Five"
	];
var li = "<li>"
var randomValue = a[Math.floor(a.length * Math.random())];

document.getElementById("footer-info").innerHTML = document.getElementById("footer-info").innerHTML + li +  randomValue;