版本：
文件：
- https://cdn.bootcdn.net/ajax/libs/corysimmons-selectivizr2/1.0.9/selectivizr2.js
- https://cdn.bootcdn.net/ajax/libs/corysimmons-selectivizr2/1.0.9/selectivizr2.min.js
- https://cdn.bootcdn.net/ajax/libs/corysimmons-selectivizr2/1.0.9/selectivizr2.min.js.map