版本：
文件：
- https://cdn.bootcdn.net/ajax/libs/angular-inview/3.1.0/angular-inview.js
- https://cdn.bootcdn.net/ajax/libs/angular-inview/3.1.0/angular-inview.min.js
- https://cdn.bootcdn.net/ajax/libs/angular-inview/3.1.0/angular-inview.min.js.map