title: How to use a javascript to autoplay a html5 audio tag
body: <p>I saw this deface from anonymous, so I want to add a hidden chiptune song when playing the game, but got kinda lost.</p>
  
  <pre><code>&lt;script type="text/javascript" src="http://www.ussc.gov/include/js/konami.js"&gt;&lt;/script&gt;
  &lt;script type="text/javascript"&gt;
    var success = function() {
                  document.body.style.backgroundImage = "url(http://3.bp.blogspot.com/-vKs53Qq5mBI/T9vCsCb-irI/AAAAAAAAB8U/CZsS0iY5RjY/s1600/14685_1_other_wallpapers_anonymous.jpg)";
                  document.body.style.backgroundSize = "100%";
                  if(window.KICKASSGAME){window.KICKASSGAME.menuManager.menu.messageTypeChangeShip('242,0');
                                         window.KICKASSGAME.menuManager.destroy()}else{
      alert("AntiSec CAEK-mode activated... Destroy the system! Controls: up, down, left, right, space to fire.");
                  var KICKASSVERSION='2.0';
                  var s = document.createElement('script');
                  s.type='text/javascript';document.body.appendChild(s);
                  s.src='//hi.kickassapp.com/kickass.js';
                  void(0);}
    }
  
    var konami = new Konami(success);
  
  &lt;/script&gt; 
  </code></pre>