If you over invalidate the Path2D it is not useful to implement it For Path, Polygon, Polyline there isn't a a property to change that is going to invalidate points or path, the only possibility is ...
路径对象,支持通过对象的接口进行路径的描述,并通过Canvas的stroke接口进行绘制。具体请参考Path2D对象。 /* xxx.css */ .container ...