JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.4/jquery.js"></script>
<html>
<body>
<div id="test">
<ul>
  <li id="Application">Application
    <ul>
        <li id="Application.Signature">Signature<ul>
          <li id="Application_Signature_Confirm_Last_Name">Confirm_Last_Name</li>
          <li id="Application_Signature_Confirm_Suffix">Confirm_Suffix</li>
        </ul>
      </li>
    </ul>
  </li>
</ul>
</div>
</body>
</html>

JavaScript

$(document).ready(function() {
        var parentsList = $('body li').filter(":has(li)");
          $('#test').append('<br>Should select both Application and Application.Signature<br>');
         $.each(parentsList, function(index, elem) {
          $('#test').append('->' + $(elem).attr('id') + '<br>');
        });
});