cocos2d/cocos2d-html5 — pull request #1256 by csaftoiu (2013-11-20 20:21:24+00:00)
Title: Retain returns this

I contend that .retain() is actually needed for compatibility purposes. Some code I wrote depends on it. This is a change to the comment, but also so the function returns 'this', as it does when using the jsbindings.