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/react/0.13.1/JSXTransformer.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/react/0.13.1/react-with-addons.js"></script>
<script src="https://facebook.github.io/react/js/jsfiddle-integration.js"></script>

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

JavaScript 1.7

class Button extends React.Component {

  constructor(props) {
   super(props);
   this.state = {
   random: 0
    }
   }


   render() {
   var min = 1;
   var max = 100;
   var rand =  min + (Math.random() * (max-min));
   handleClick: {
    this.setState ({this.state.random + this.rand})
   }
    return (
      <div>
       <button onClick={this.handleClick.bind(this)></button>
       </div>
      );

 React.render(<Button />, document.querySelector('#container'));

  }
}