Simple random array

HTML

<div id="vps">JOKE</div>
<button onclick="nextJoke()">Next joke</button>

JavaScript

var vpslist = ["194.182.83.69", "195.181.220.29", "80.211.116.83"];
var vps = vpslist[Math.floor(Math.random()*vpslist.length)];
$("#vps").html(vps);