看文档要看仔细，英语要加强啊... cocos2d-x 的 API 和 对应版本的 cocos2d-js 的 API 没有完全对应...
/*** Sets the X rotation (angle) of the node in degrees which performs a horizontal rotational skew.** The difference between `setRotationalSkew()` and `setSkew()` is that the first one simulate Fl...
