JSFiddle - React, Tailwind, and code Playground

HTML

<div id='content-area'>
  <h1>Heading</h1>
  <p>A paragraph or two</p>
  <ul>
    <li>item 1</li>
    <li>item 2</li>
  </ul>
</div>

<div id="new"></div>

JavaScript

$( "*" ).each(function( index ) {
  $( this ).append(' ');
});

$('#new').text($('#content-area').text());