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://npmcdn.com/react@latest/dist/react-with-addons.js"></script>
<script src="https://npmcdn.com/react-dom@latest/dist/react-dom.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 {count:this.props.count}
  },
	a:function(){
    console.log('a is clicked')
  	this.setState({count:this.state.count++})
  },
  render: function() {
    return <div onClick={this.a}>Hello<b> {this.state.count} </b></div>;
  }
});

ReactDOM.render(
  <Hello count="1" />,
  document.getElementById('container')
);