JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://code.jquery.com/jquery-1.12.3.min.js"></script>
<button>
  Klick mich
</button>
<div id="test">
  Blabla
</div>

CSS

.display {
  display:none;
}

JavaScript

$( "button" ).click(function() {
  $('#test').toggleClass( "display" );
});