版本：
文件：
- https://cdn.bootcdn.net/ajax/libs/EaselJS/1.0.2/easeljs.js
- https://cdn.bootcdn.net/ajax/libs/EaselJS/1.0.2/easeljs.min.js
EaselJS is a library for building high-performance interactive 2D content in HTML5. It provides a feature-rich display list to allow you to manipulate and animate graphics. It also provides a robust interactive model for mouse and touch interactions.