title: JS autoclick button after 4 sec. (Greasemonkey)
body: <p>Hello how to make a simple code in JS to Greasemonkey which click button on page after 4 sec? I'm fully beginner in JS.</p>
  
  <p>Here is code of this button ;):</p>
  
  <pre><code>&lt;a class="doIt" href="#" onClick="func_x()"&gt;&lt;/a&gt;
  </code></pre>
  
  <p>Thanks for help. </p>