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-15.2.0.js"></script>
<script src="https://fb.me/react-dom-15.2.0.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({
	getInitialState: function() {
  	return { value: "a" }
  },
	onChange: function(event) {
  	this.setState({ value: event.target.value })
  },
  render: function() {
    return (
  <select value={this.state.value} onChange={this.onChange}>
    <option value="a">1</option>
    <option value="a">2</option>
    <option value="a">3</option>
    <option value="b">4</option>
  </select>
    )
  }
});

ReactDOM.render(
  <Hello name="World" />,
  document.getElementById('container')
);