JSFiddle - React, Tailwind, and code Playground
HTML
<div id="foo">
<div id="bar">bar</div>
</div>
JavaScript
var bar = $('#bar');
$('#foo').html('');
console.log(bar[0]);
console.log(bar.html());
<div id="foo">
<div id="bar">bar</div>
</div>
var bar = $('#bar');
$('#foo').html('');
console.log(bar[0]);
console.log(bar.html());