react template

HTML

<script src="http://fb.me/react-js-fiddle-integration.js"></script>

JavaScript 1.7

/**
* @jsx React.DOM
*/

var Example = React.createClass({
  render: function() {
    var coinflip = Math.random() < .5;
    return (
      <div>
        {(coinflip) ?
          <div>Heads</div> :
          <div>Tails</div>
        }
      </div>
    );
  }
})

React.renderComponent(<Example/>, document.body);