版本：0.1.8
- https://cdn.bootcdn.net/ajax/libs/loadCSS/0.1.8/loadCSS.js
- https://cdn.bootcdn.net/ajax/libs/loadCSS/0.1.8/loadCSS.min.js
- https://cdn.bootcdn.net/ajax/libs/loadCSS/0.1.8/onloadCSS.js
- https://cdn.bootcdn.net/ajax/libs/loadCSS/0.1.8/onloadCSS.min.js