<div id="app"></div>

import React from 'https://cdn.skypack.dev/react'
import { render } from 'https://cdn.skypack.dev/react-dom'

const Message = ({ message }) => <h1>{message}</h1>

const App = ({ message }) => <Message message={message}/>

render(<App message={`Time: ${Date.now()}`} />, document.getElementById('app'))