JSFiddle - React, Tailwind, and code Playground

HTML

<body>
<div id="main">

</div>
</body>

JavaScript

var $window = $(window),
       $body = $('body'),
       $main = $('#main');       
     	$body.addClass('is-loading');
    $(window).on('load', function() {
            console.log("Page loaded");
            window.setTimeout(function() {
                $body.removeClass('is-loading');
            }, 100);
        });