JSFiddle - React, Tailwind, and code Playground

HTML

<body>
<h2>This is a heading</h2>
<p>Some Text</p>
<p>Around</p>
<p>Here<p>
<p>Yep.</p>
</body>

CSS

body{background-color:red;}
body.orange {background-color:orange;}

JavaScript

console.log($("body").css("background-color"));
$("body").click(function(){
    $(this).toggleClass('orange');
  });