JSFiddle - React, Tailwind, and code Playground

HTML

<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width">
  <title>JS Bin</title>
</head>
<body>
<div id="navigation">
            <div class="item" style="display:inline;">
                        <a href="index.html">Home</a>
           </div>
    <div class="item" style="display:inline;">Blog: Kannu</div>
 </div>


  <div class="row subheader" id="row-subheader">
  <div class="container">
   <div id="blogsubheader">My Blog</div>
  </div>
 </div>
</body>
</html>

JavaScript

var navigation = document.getElementById('navigation');
var rowSubheader = document.getElementById('row-subheader');

rowSubheader.after(navigation);