JS库一览
http://www.slideshare.net/jeresig/javascript-library-overview
http://www.webjx.com/javascript/jsajax-8545.html
JS库评估
http://wiki.freaks-unidos.net/javascript-libraries
为什么选择DOJO？
原文版 http://dojotoolkit.org/book/dojo-book-0-9/introduction/why-dojo
中文版
http://bigqiangbigqiang.spaces.live.com/blog/cns!64A5E0FB4DFCD63F!606.entry
http://bigqiangbigqiang.spaces.live.com/blog/cns!64A5E0FB4DFCD63F!607.entry
为什么选择mootools,抛弃了prototype
http://www.javaeye.com/topic/122425
不要使用ExtJS
http://pablotron.org/?cid=1556
ExtJS源自YUI，功能更强，许可更苛刻。