JSFiddle - React, Tailwind, and code Playground

HTML

<html>
 <head>
 <script type="text/javascript">
 document.addEventListener('DOMContentLoaded', function () {
    document.getElementById("eee").innerHTML = "7777"; 
 }, false);
 
 </script>


 </head>
 <body>
 <p id="eee">aa</p>

 </body>
 </html>