JSFiddle - React, Tailwind, and code Playground

HTML

<h:body>
    <script src="//ajax.googleapis.com/ajax/libs/jquery/1.9.0/jquery.min.js"></script>
    <script type="text/javascript">
        $(document).ready(function(){
            $("#p1").mouseenter(function(){
                alert("You entered p1!");
            });
        });
    </script>
    <p id="p1">Enter this paragraph.</p>
</h:body>