JSFiddle - React, Tailwind, and code Playground

by dimensia

HTML

<html>
 <head>
  <script src="//ajax.googleapis.com/ajax/libs/jquery/1.8.2/jquery.min.js"></script>
 </head>
 <body>
  <div class="a">
   <div class="b">
   </div>
  </div>
  <div class="results"/>
 </body>
</html>

JavaScript

var a = $('.a');
var rslt = a.find('.b:not(.a .b)');
$('.results').html(rslt.length + ' matches, should be 1');