版本：0.2.2
- https://cdn.bootcdn.net/ajax/libs/loadCSS/0.2.2/loadCSS.js
- https://cdn.bootcdn.net/ajax/libs/loadCSS/0.2.2/loadCSS.min.js
- https://cdn.bootcdn.net/ajax/libs/loadCSS/0.2.2/onloadCSS.js
- https://cdn.bootcdn.net/ajax/libs/loadCSS/0.2.2/onloadCSS.min.js