What is difference between cocos2d-javascript and cocos2d-html5?

cocos2d-x JavaScript
#1

I found similar project named cocos2d-javascript as follows:

What is difference between cocos2d-javascript and cocos2d-html5?

#2

This map should help you (different teams are in charge)
http://www.cocos2d-x.org/projects/cocos2d-x/wiki/Relationships_in_Cocos2d_Family

I think, not sure, that 2d-x html (this website) is more up to date to base cocos2d then 2d-javascript (v.2.1.2 vs 2.0 alpha), as you can see from NEWS section of each website.

More details regarding the API I don’t know, I`m new around here too.