Untitled

<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8" />
    <title>React, Let's Play!</title>
    <script src="react-library/react.development.js"></script>
    <script src="react-library/react-dom.development.js"></script>
</head>
<body>
    <div id="react-container"></div>
    <script>
        ReactDOM.render(
            React.createElement('h1', null, 'Hello React!'),
            document.getElementById('react-container')
        )
    </script>
</body>
</html>