dA Inactive Highlighter

// ==UserScript==
// @name         dA Inactive Highlighter
// @namespace    towerofawesome.org
// @version      0.1
// @description  Defeat inactive watches!
// @author       Forecaster
// @match        *.deviantart.com/*
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    let levels = [
      {level: 50, color: "lightgreen", text: ""},
      {level: 100, color: "yellow", text: ""},
      {level: 200, color: "lightred", text: ""},
      {level: 300, color: "red", text: "white"}
    ];

    let regex = /away (\d{1,3})w.*/;
    let exp = new RegExp(regex);

    console.info("Install interval");
    setInterval(function()
    {
      let elements = document.getElementsByClassName("extra");
      if (elements.length > 0)
      {
        for (let i = 0; i < elements.length; i++)
        {
          let element = elements[i];
          let match = exp.exec(element.innerText);
          //console.log(elements[i].innerText + " => " + match);
          if (match != null)
          {
            for (let o = 0; o < levels.length; o++)
            {
              let level = levels[o];
              if (match[1] >= level.level)
              {
                element.style.backgroundColor = level.color;
                element.style.color = level.text;
              }
            }
          }
        }
      }
    }, 1000);
})();