-3">
        <span>Child 3 (mouseup)</span>
      </li>
    </ul>
    
    Results: 

    <ul id="delegation_results">
      <li id="delegation_result_1">Test 1</li>
      <li id="delegation_result_2">Test 2</li>
      <li id="delegation_result_3">Test 3</li>
    </ul>
  </div>
    
  <script type="text/javascript">
      var msg = "Passed. Click to unregister.";
      var clickMsg = "Now try original event again to ensure observation was stopped."
      var observer1 = $('delegation_container').on('click',