JSFiddle - React, Tailwind, and code Playground

HTML

<div id="example">

</div>

JavaScript

BodyCopy = document.body.cloneNode(true);
document.body.querySelector('#example').innerHTML = '<p>foo</p>';
BodyCopy.querySelector('#example').innerHTML = '<p>bar</p>';

// will output <p>bar</p>, but should be <p>foo</p>
console.log(document.body.querySelector('#example').innerHTML);

// will output <p>bar</p>
console.log(BodyCopy.querySelector('#example').innerHTML);