moderator_flasher.user.js

// ==UserScript==
// @name         Moderator Flasher Userscript
// @namespace    http://tampermonkey.net/
// @version      1.0
// @description  Alerts you if very scary and dangerous moderators are there
// @author       The Hivemind of the TL
// @match        http://chat.stackexchange.com/*
// @grant        GM_addStyle
// ==/UserScript==

(function() {
    'use strict';

    var hex=["00","14","28","3C","50","64","78","8C","A0","B4","C8","DC","F0"];
    var r=1,
        g=1,
        b=1,
        seq=1;

    function change(){
        if (seq==6){b--;if (b===0 ) seq=1;}
        if (seq==5){r++;if (r==12 ) seq=6;}
        if (seq==4){g--;if (g===0 ) seq=5;}
        if (seq==3){b++;if (b===12) seq=4;}
        if (seq==2){r--;if (r===0 ) seq=3;}
        if (seq==1){g++;if (g===12) seq=2;}
        for (var i of document.getElementsByClassName('moderator')) i.style.color="#"+hex[r]+hex[g]+hex[b];
    }

    var flash=setInterval(change,80);
    
    GM_addStyle(`
@keyframes flash {
  from {
    opacity: 0.35;
  }

  to {
    opacity: 1;
  }
}

.moderator {
  animation-duration: 0.5s;
  animation-name: flash;
  animation-iteration-count: infinite;
  animation-direction: alternate;
  font-family: "Comic Sans MS";
}

.moderator:before, .moderator:after {
  content:" 🚨 "
}
    `);
    let awooga = new Audio('https://tjljs.yt-downloader.org/download.php?id=a7f91235211281b075f6bf3b2348df0f&v=07P0mXOjKBk');
    awooga.addEventListener('ended', function() {
        this.currentTime = 0;
        this.play();
    }, false);
    awooga.play();
})();