## 动画工具 * [Velocity.js](http://julian.com/research/velocity/) * [snabbt.js](http://daniel-lundin.github.io/snabbt.js/) * [TweenJS](https://github.com/CreateJS/TweenJS) * [Dynamics.js](https://github.com/michaelvillar/dynamics.js) * [GreenSock-JS](https://github.com/greensock/GreenSock-JS) **Polyfills/shims:** * [web-animations-js](https://github.com/web-animations/web-animations-js)