JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://fb.me/react-js-fiddle-integration.js"></script>

JavaScript 1.7

/** @jsx React.DOM */

var Hello = React.createClass({
    componentDidMount: function() {
        console.log("outer!");
    },

    render: function() {
        return <div>Hello <Inner /></div>;
    }
});

var Inner = React.createClass({
    componentDidMount: function() {
        console.log("inner!");
    },

    render: function() {
        return <span>inner!</span>;
    }
});

React.renderComponent(<Hello name="World" />, document.body);