JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://code.jquery.com/jquery-2.2.3.min.js"></script>
<html>
<body style="height:1400px;">

</body>
</html>

JavaScript

$(window).scroll(function(){
                    if  ($(window).scrollTop() == $(document).height() - $(window).height()){
                         alert("hit it bottom");
                    }
            });