Hello React JSX - JsFiddle: http://jsfiddle.net/gh/gist/library/pure/a6d7eb5e972e80f0620c/

fiddle.html

<script src="https://fb.me/react-with-addons-0.14.0.js"></script>
<script src="https://fb.me/react-dom-0.14.0.js"></script>

<div id="view"/>

fiddle.js

var HelloReact = React.createClass({
       render: function() {
           return <h1>Hello React</h1>
       }
    });
 
ReactDOM.render(<HelloReact />, document.getElementById('view'));

fiddle.manifest

name: ReactJs example by Ryan Vice - www.ViceSoftware.com
description: Hello React JSX
authors:
  - Ryan Vice
resources:
normalize_css: no
wrap: h
panel_js: 3
panel_css: 0