JSFiddle - React, Tailwind, and code Playground

HTML

<script type='text/javascript' src="http://fb.me/JSXTransformer-0.10.0.js"></script>
<script type='text/javascript' src="http://fb.me/react-with-addons-0.10.0.js"></script>

<script type="text/jsx">
/** @jsx React.DOM */

var TimeInChild = React.createClass({
    render: function() {
        var t = new Date().getTime();

        return (
            <p>Time in child:{t}</p>
        );
    }
});

var Main = React.createClass({
    onTest: function()
    {
        this.setState({'test':'me'});
    },

    render: function() {
        var currentTime = new Date().getTime();

        return (
          <div onClick={this.onTest}>
            <p>Time in main:{currentTime}</p>
            <p>Click me to update time</p>
            <TimeInChild/>
          </div>
        );
    }
});

React.renderComponent(<Main/>, document.body);
</script>

</script>