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

var Hello = React.createClass({
    logEvent: function() {
        alert('Key pressed');
    },

    render: function() {
        return (
            <div>
                <div onKeyDown={this.logEvent} tabIndex="0">Try good syntax</div>
                <div onKeydown={this.logEvent} tabIndex="0">Try bad syntax</div>
            </div>
        );
    }
});
 
React.render(<Hello />, document.getElementById('container'));