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

class StateExample extends React.Component {

   constructor(props) {
      super(props);

      this.state = {
         header: "Header Initial state",
         content: "Content Initial State"
     };
   }

   _updateHeader(text){
       this.setState({
           header: "Header has changed"
       });
   }

   render() {
      return (
         <div>
            <h1>{this.state.header}</h1>
            <h2>{this.state.content}</h2>
            <button onClick={this._updateHeader.bind(this)}>Update</button>
         </div>
      );
   }
}


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