JSFiddle - React, Tailwind, and code Playground

by rulin shyu

HTML

<lalala id="host">
    <span>org content</span>
</lalala>

JavaScript

var host = document.querySelector('lalala');
var root = host.createShadowRoot();

root.innerHTML = `
    <span>RED SHADOW</span>
    <div>this is in shadow</div>
    <content></content>
`;