<body> <div id="content"></div> <script type="text/babel"> // tutorial1-raw.js var CommentBox = React.createClass({displayName: 'CommentBox', render: function() { return ( React.createElement('div', {className: "commentBox"}, "Hello, world! I am a CommentBox." ) ); } }); ReactDOM.render( React.createElement(CommentBox, null), document.getElementById('content') ); </script> </body>