title: Multiple functions in one setInterval()?
body: <p>I have two setInterval each running a function every 20s. Is there a way to put both functions under the same setInterval call?</p>
  
  <pre><code>setInterval(function(){
   //function a
  }, 20000);
  
  setInterval(function(){
   //function b
  }, 20000);
  </code></pre>
  
  <p>To something like:</p>
  
  <pre><code>setInterval( (functionA, functionB) , 20000);
  </code></pre>