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"></div>

JavaScript 1.7

var ColorfulLink = React.createClass({
	render: function() {
		var id = _.uniqueId("ColorfulLink")
		return <a href={this.props.href} id={id}>
			{this.props.children}
			<style>{
				"#" + id + ":hover {color: " + this.props.hover + "} " +
				"#" + id + ":active {color: " + this.props.active + "} "
			}</style>
		</a>
	}
})

React.render(
    <ColorfulLink href="#" hover="aqua" active="red">
        Hello, World!
    </ColorfulLink>,         
    document.getElementById('container')
)