Konva

Konva Konvajs 中文文档, Konva 是一个HTML5 Canvas JavaScript 框架，它通过对 2d context 的扩展实现了在桌面端和移动端的可交互性。提供了高性能的动画，补间，节点嵌套，布局，滤镜，缓存，事件绑定（桌面/移动端）等等功能.

Konva is 2d Canvas JavaScript framework for drawings shapes, animations, node nesting, layering, filtering, event handling, drag and drop and much more.