title: listen for both onkeyup and onchange without jquery
body: <p>I have a form with <code>&lt;input&gt;</code> fields that when data is input into them  <code>.onkeyup</code> triggers a function. However I also have a <code>&lt;select&gt;</code> dropdown box and of course the browser does not fire an <code>.onkeyup</code> event when it is changed. My code is currently</p>
  
  <pre><code>var formInput = document.getElementById('Form');
  
  formInput.onkeyup = function(e){
      //do stuff
  }
  </code></pre>
  
  <p>how can I as well include the <code>.onchange</code> to <code>formInput.onkeyup</code> without using jquery</p>