title: I could not manage to play sound on specific event at tampermonkey
body: <p>i want to play a sound when a text changes at spesific area on a webpage which continiously refresh with script.</p>
  <p>I want that code to refresh and play a sound when it is not match the text i entered.</p>
  <pre><code>// ==UserScript==
  // @name         Audio Script
  // @namespace    http://tampermonkey.net/
  // @version      0.1
  // @description  try to take over the world!
  // @author       You
  // @match        https://x
  // @match        https://x
  // @match        https://x
  // @grant        none
  // ==/UserScript==
  
  (function() {
      'use strict';
  
      var audio = document.createElement(&quot;audio&quot;);
      audio.src = &quot;http://y/vuvuzela-trumpet.mp3&quot;;
  
      function reload()
      { location.reload();};
  
      var x = document.getElementsByClassName(&quot;sl-nm&quot;)[0].firstChild.attributes[0].nodeValue;
      console.log(x)
  
      if ( x != &quot;/a/b&quot; ); // text i entered 
      audio.play;
  
      var interval = Math.random()*5000
      var interval2 = Math.random()*5000
      var gecikme = (interval+interval2)*2.3
      console.log(gecikme/60000)
      var myVar = setInterval(() =&gt; reload(), gecikme)
  
  
      // Your code here...
  })();
  </code></pre>