JSFiddle - React, Tailwind, and code Playground
HTML
<div id="container">
<div id="noRemove">don't remove this</div>
<p>remove this</p>
removethis too.
</div>
JavaScript
$('#container').html($('#container').find('#noRemove'));
<div id="container">
<div id="noRemove">don't remove this</div>
<p>remove this</p>
removethis too.
</div>
$('#container').html($('#container').find('#noRemove'));