Rickroll your freinds.
// ==UserScript==
// @name Rickroll
// @namespace http://tampermonkey.net/
// @version 0.1
// @description Rickroll your freinds.
// @author You
// @match http://*/*
// @icon data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==
// @grant none
// @license MIT
// ==/UserScript==
document.addEventListener("keyup", function(event) {
if (event.key === 'Enter') {
window.open('https://www.youtube.com/watch?v=dQw4w9WgXcQ');
}
});