facebook/react — pull request #710 by syranide (2013-12-25 11:14:40+00:00)
Title: Fix componentDidMount does not receive DOMElement rootNode

However `componentDidUpdate` still receive the DOM node as an argument, I'm assuming because it's already available in the code, but it seems inconsistent, especially for @petehunt's comment in this https://github.com/facebook/react/issues/416