Favicon Alert.user.js

// ==UserScript==
// @name         Favicon Alert
// @namespace    https://github.com/Kadauchi/
// @version      1.0.2
// @description  blank
// @author       Kadauchi
// @icon         http://i.imgur.com/oGRQwPN.png
// @include      http://www.mturkcrowd.com/*
// @include      https://turkerhub.com/*
// @grant        GM_log
// //@require      https://raw.githubusercontent.com/ejci/favico.js/master/favico.js
// @require      https://raw.githubusercontent.com/tommoor/tinycon/master/tinycon.js
// ==/UserScript==

const target = document.getElementById(`VisitorExtraMenu_Counter`);

const observer = new MutationObserver( function () {
  const count = target.getElementsByClassName(`Total`)[0].textContent;
  Tinycon.setBubble(+(count));
  //const favicon = new Favico({type: `rectangle`, animation: `none`});
  //favicon.badge(+(count));
});

observer.observe(target, {attributes: true, childList: true, characterData: true});