React Base Fiddle (JSX)

Starting point for creating JSFiddles with React. This uses React with Addons.

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/babel-core/5.8.24/browser.js"></script>
<script src="https://fb.me/react-with-addons-0.14.6.js"></script>
<script src="https://fb.me/react-dom-0.14.6.js"></script>
<script src="https://facebook.github.io/react/js/jsfiddle-integration-babel.js"></script>

<div id="container">
    <!-- This element's contents will be replaced with your component. -->
</div>

JavaScript 1.7

var Hello = React.createClass({
  componentDidMount() {
    this.mirrorProps(this.props);
  },
  componentWillReceiveProps(nextProps) {
    this.mirrorProps(nextProps);
  },
  mirrorProps(props) {
    var node = ReactDOM.findDOMNode(this);
    node.setAttribute('name', props.name);
  },
  render: function() {
    return <div>Hello {this.props.name}</div>;
  }
});

var Wrap = React.createClass({
  getInitialState() {
    return {name: 'World'};
  },
  clicky() {
    this.setState({name: 'Goodbye'});
  },
  render() {
    return <div>
      <Hello {...this.state}/>
      <button onClick={this.clicky}>Click me!</button>
    </div>;
  }
})

ReactDOM.render(
  <Wrap />,
  document.getElementById('container')
);