Tampermonkey script to automatically login into graylog

tampermonkey.grayloglogin.user.js

// ==UserScript==
// @name         Graylog login
// @namespace    https://kps.com/
// @version      0.1
// @description  Automatically logs in into Graylog
// @author       Dennis Ploeger <dennis.ploeger@kps.com>
// @grant        none
// @downloadUrl  https://gist.github.com/dploeger/5f51c3ea9046a35f386d6bf376fbfa83/raw
// @uploadUrl  https://gist.github.com/dploeger/5f51c3ea9046a35f386d6bf376fbfa83/raw
// ==/UserScript==

(function() {
    'use strict';
    const checkLogin = () => {
        if (document.querySelector('#username')) {
            document.querySelector('button').click()
        }
        window.setTimeout(checkLogin, 5000)
    }
    window.setTimeout(checkLogin, 5000)
})();