JSFiddle - React, Tailwind, and code Playground

HTML

<div id="src">Source:<input type="checkbox" checked="checked"></div>

<form>
    <div id="target">Target:
    </div>
    <div id="target_with_html">Target using HTML which fails:
    </div>
</form>

JavaScript

var input = $("input");

$('#target').append( input.clone() );

$('#target_with_html').append( $('#src').clone().html() );