Cocos2d-JS¶ Cocos2d-JS is an open-source 2d game framework, released under MIT License. It includes Cocos2d-html5 and Cocos2d-x JavaScript Bindings, making Cocos2d cross platforms between browsers and native application. On top of the framework provided by Cocos2d-JS, games can be written in Javascript, using API that is COMPLETELY COMPATIBLE between Cocos2d-html5 and Cocos2d-x JavaScript Bindings