CodePen Embed - edyBaE

<div id="root">
  <!-- This div's content will be managed by React. -->
</div>

const root = ReactDOM.createRoot(document.getElementById('root'));
const element = <h1>Hello, world</h1>;
root.render(element);

This Pen is owned by Dan Abramov on CodePen.

This Pen doesn't use any external CSS resources.