http://www.jsdelivr.com/ 对于不太受欢迎的框架,它也是一个很好的选择
此外,在大多数情况下,最好省略JavaScript源URL中的协议。
更多关于 http://www.paulirish.com/2010/the-protocol-relative-url/
http://www.cdnjs.com 托管了许多不太流行的JavaScript框架,包括:
Backbone.js的 : //cdnjs.cloudflare.com/ajax/libs/backbone.js/1.0.0/backbone-min.js ( HTTP | HTTPS )
//cdnjs.cloudflare.com/ajax/libs/backbone.js/1.0.0/backbone-min.js
underscore.js : //cdnjs.cloudflare.com/ajax/libs/underscore.js/1.5.2/underscore-min.js ( HTTP | HTTPS )
//cdnjs.cloudflare.com/ajax/libs/underscore.js/1.5.2/underscore-min.js
<script type="text/javascript" src="//cdnjs.cloudflare.com/ajax/libs/backbone.js/1.0.0/backbone-min.js"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/underscore.js/1.5.2/underscore-min.js"></script>