JSFiddle - React, Tailwind, and code Playground

by Dmitriy Shvanyk

HTML

<div></div>

CSS

div{
  width: 100px;
  height: 100px;
  background: #000;
  -webkit-transition: 0.3s;
  transition: 0.3s;
}
.active{
  width: 200px;
  background: #00f;
}

JavaScript

$(document).ready(function() {
  $("div").click(function() {
      $(this).toggleClass('active');
  });
});