facebook/react — pull request #1224 by spicyj (2014-03-06 08:04:27+00:00)
Title: Add es3ify to JSX transform

This would make #1223 easier to deal with in older browsers.

With this change,

compiles into

React.DOM.div( {"class":"orange"} );

and `this.props.class` turns into `this.props["class"]`.