<div id="root"></div>

<!-- JS goes here -->
<script src="https://unpkg.com/[email protected]^16/umd/react.development.js"></script>
<script src="https://unpkg.com/[email protected]^16/umd/react-dom.development.js"></script>
<script src="https://unpkg.com/@babel/[email protected]/babel.min.js"></script>

<script type="text/babel">
  const rootElt = document.getElementById('root');
  const childElt = <div className="container">Hello world</div>
    ReactDOM.render(childElt, rootElt);    
</script>
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