例如：
chosen
http://apps.bdimg.com/libs/chosen/1.1.0/chosen.jquery.min.js
classlist
http://apps.bdimg.com/libs/classlist/2014.01.31/classList.min.js
cookies.js
http://apps.bdimg.com/libs/Cookies.js/0.4.0/cookies.min.js
dojo
http://apps.bdimg.com/libs/dojo/1.8.3/dojo.js
更多详情请查看：http://cdn.code.baidu.com/