JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://github.com/jquery/sizzle/raw/master/sizzle.js"></script>
<div class="search">
  <select>
    <option>Search All</option>
    <option>Movies</option>
    <option>Books</option>
  </select>
</div>

JavaScript

setInterval(function() { 
   console.log(Sizzle(".search :focus"));
}, 300);