基于ｃｏｃｏｓ２ｄ游戏引擎的ｊａｖａｓｃｒｉｐｔ分支的演示程序代码。几乎包含了ｃｏｃｏｓ２ｄ的所有特性的代码。　对于掌握游戏引擎有很大作用。-Javascr ipt based branch of cocos2d game engine demo program code. Cocos2d contains almost all the features of the code. The master has a great role