JSFiddle - React, Tailwind, and code Playground

HTML

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

CSS

svg {
    border: 1px solid black;
}

JavaScript 1.7

/** @jsx React.DOM */

var Hello = React.createClass({
    getInitialState: function() {
       return {x:10, y:10, width:40, height:40};
    },
    render: function() {
        return (
          <svg onClick={this.handleClick}>
            <rect x="10"
                  y="10"
                  width="100"
                  height="100"
                  opacity="1"
                  stroke="blue"
                  strokeWidth="8"
                  fillOpacity="0.5"
                  strokeOpacity="0.4"/>
          </svg>
        );
    }
});
 
React.renderComponent(<Hello name="World" />, document.body);