JSFiddle - React, Tailwind, and code Playground

HTML

<!doctype html>
<html lang="en">

  <head>
    <meta charset="utf-8">
    <title>html demo</title>
  </head>

  <body>

    <div></div>
    <div></div>
    <div></div>

    <script>
      $("div").html(function(index) {
        return '<h1>Header-' + index + '</h1>';
      });

    </script>

  </body>

</html>