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>

JavaScript 1.7

var Span = React.createClass({
	render: function() {
		return (
			<span style={{color: this.props.color}}>
				{this.props.text}
			</span>
		);
	}
});


var Hello = React.createClass({
	render: function() {
		return ( 
			// comentário antes do componente contentor...
			<div>
				<Span {...this.props} text={'Hello'} />
				{/* comentário entre componentes */}
				<Span {...this.props} text={' World!'} />
			</div>
		);
	}
});

ReactDOM.render(
	// comentário ao estilo JavaScript
	< Hello /* comentário dentro do componente */ name="World" /*
	comentários de multiplas linhas funcionam também!
	*/ color={'blue'}
	/> ,
	document.getElementById('container')
);