JSFiddle - React, Tailwind, and code Playground

HTML

<script type="text/javascript" src="//gsgd.co.uk/sandbox/jquery/easing/jquery.easing.1.3.js"></script>
<input type="button" id="ho" value="aaa" />
<div id="he">hehe hehe hehe</div>

CSS

#ho {clear:both;margin:10px}
#he {width:300px;clear:both;height:400px;display:none;background:red}

JavaScript

$('#ho').click(function() {
  $('#he').slideToggle(800, 'easeOutBounce');
});