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>

CSS

td{
  border: 1px solid black;
  padding: 10px;
}

JavaScript 1.7

class App extends React.Component {
	constructor(){
  		super();
      this.state = {
      		arr: [1,2,3,4,5]
      }
      this.change = this.change.bind(this);
  }
  change(e, index){
    let tmpArr = this.state.arr;
    tmpArr[index] = e.target.textContent;
    this.setState({arr: tmpArr})
  }
  render(){
  	console.log(this.state);
    return (
      <tr>
          {this.state.arr.map((el, index) => <td key={index} id="test" onBlur={(e) => this.change(e, index)} contentEditable="true">{el}</td>)}
      </tr>
    );
  }
}

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