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-15.0.1.js"></script>
<script src="https://fb.me/react-dom-15.0.1.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/fetch/1.0.0/fetch.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

ul > li {
  margin: 15px 0px;
  list-style-type: none;
}

ul > li:nth-child(odd) {
  background-color:rgba(0,0,0,0.1)
}

JavaScript 1.7

class ItemLister extends React.Component {
	constructor() {
  	super();
 		 this.state={items:[]};
  }
  componentDidMount(){
  	fetch(`http://jsonplaceholder.typicode.com/posts`)
 		.then(result=>result.json())
    .then(items=>this.setState({items}))
  }
  render() {
  	return(
    	<ul>
          {this.state.items.length ?
          	this.state.items.map(item=><li key={item.id}>{item.body}</li>) 
            : <li>Loading...</li>
          }
      </ul>
   )
  }
}

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