版本：0.1.6
- https://cdn.bootcdn.net/ajax/libs/loadCSS/0.1.6/loadCSS.js
- https://cdn.bootcdn.net/ajax/libs/loadCSS/0.1.6/loadCSS.min.js
- https://cdn.bootcdn.net/ajax/libs/loadCSS/0.1.6/onloadCSS.js
- https://cdn.bootcdn.net/ajax/libs/loadCSS/0.1.6/onloadCSS.min.js