Hello, react

<!DOCTYPE html>
<html lang="it">
<head>
    <meta charset="UTF-8">
    <title>Primo esempio di pagina che usa React</title>
</head>
<body>

<div id="radice"></div>

<!-- Inclusione di React e React-dom -->
<script src="https://unpkg.com/react@16.7.0/umd/react.production.min.js"></script>
<script src="https://unpkg.com/react-dom@16.7.0/umd/react-dom.production.min.js"></script>

<!-- Inclusione del transpiler Babel -->
<script src="https://unpkg.com/babel-standalone@6/babel.min.js"></script>

<script type="text/babel">
    const elementoReact = <h1>Hello, React!</h1>;
    const radice = document.querySelector('#radice');
    ReactDOM.render(elementoReact, radice);
    console.log(elementoReact);
</script>
</body>
</html>