Background:

http://en.wikipedia.org/wiki/Client-side_JavaScript


Review:

This is a quick review of the differences between each of the main Javascript frameworks currently available.  The following will be reviewed (ordered by popularity from a google search for "javascript framework"):

prototype-1.6.0
dojo-1.0.2
mootools-1.11
scriptaculous-1.8.0
+ Ext JS
+ Spry framework for Ajax
yui-2.4.1
+ Scriptio
+ MochiKit
jquery-1.2.1
+ TrimJunction


javascript prototype
javascript dojo
javascript mootools
javascript scriptaculous
javascript yui
javascript jquery