JSFiddle - React, Tailwind, and code Playground

by TheBuzzer

HTML

<script src="https://code.jquery.com/jquery-3.2.1.slim.min.js"></script>
<button type="button" id="TestAppear">Afficher carré</button>
<div id="test"></div>

CSS

#test {
  display:block;
  width: 100px;
  height: 100px;
  opacity: 0;
  background-color: black;
}

JavaScript

$('#TestAppear').click(function () {
	$('#test').fadeTo();
});