JSFiddle - React, Tailwind, and code Playground

HTML

<body>
  <div id="content"></div>
</body>

JavaScript

var CommentBox = React.createClass({displayName: 'CommentBox',
  render: function() {
    return (
      React.DOM.div({className: "commentBox"}, 
        "Hello, world! I am a CommentBox."
      )
    );
  }
});

React.renderComponent(
  CommentBox(null),
  document.getElementById('content')
);