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/dist/react-with-addons.min.js"></script>
<script src=" https://npmcdn.com/react-dom/dist/react-dom.min.js"></script>
<script src=" https://npmcdn.com/react-dom/dist/react-dom-server.min.js"></script>
<script src=" https://npmcdn.com/recharts/umd/Recharts.min.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>

CSS

body {
  margin: 0;
}
#container {
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  padding: 10px;
  width: 800px;
  height: 800px;
  background-color: #fff;
}
.custom-tooltip {
  width: 200px;
    margin: 0;
    line-height: 24px;
    border: 1px solid #f5f5f5;
    background-color: rgba(255, 255, 255, 0.8);
    padding: 10px;
}
.custom-tooltip  .label {
  margin: 0;
  color: #666;
  font-weight: 700;
}
.custom-tooltip  .desc {
  margin: 0;
  color: #999;
}
.custom-tooltip  .intro {
  border-top: 1px solid #f5f5f5;
  margin: 0;
}

JavaScript 1.7

const {PropTypes} = React;
const {BarChart, Bar, XAxis, YAxis, CartesianGrid, Tooltip, Legend} = Recharts;
const data = [
      {name: 'Page A', uv: 4000, pv: 2400, amt: 2400},
      {name: 'Page B', uv: 3000, pv: 1398, amt: 2210},
      {name: 'Page C', uv: 2000, pv: 9800, amt: 2290},
      {name: 'Page D', uv: 2780, pv: 3908, amt: 2000},
      {name: 'Page E', uv: 1890, pv: 4800, amt: 2181},
      {name: 'Page F', uv: 2390, pv: 3800, amt: 2500},
      {name: 'Page G', uv: 3490, pv: 4300, amt: 2100},
];
const CustomLabel  = React.createClass({ 
  render() {  
  		return <div>Label</div>;
  }
});

const SimpleBarChart = React.createClass({
	render () {
  	return (
    	<BarChart width={600} height={300} data={data}
            margin={{top: 5, right: 30, left: 20, bottom: 5}}>
       <XAxis dataKey="name"/>
       <YAxis/>
       <CartesianGrid strokeDasharray="3 3"/>
       <Legend />
       <Bar dataKey="pv"  fill="#8884d8"  label={<CustomLabel/>} />
      </BarChart>
    );
  }
})

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