I've been spending the last couple weeks in the MS Ajax ClientScript API. In the process I found myself jumping all over the docs. I did use the pretty ones given out by someone (I think MS) for a little bit, but I wanted access to everything and generally knew which namespace I was looking for.
As a result I have created my own cheat sheet containing every change to the standard Javascript library made by the MS Ajax Extensions. It's 10 pages (which if you print it you have 5 pages front and back). I'll probably make a couple improvements on it, but I like having everything at my fingertips (and not having just some of the documented APIs). BTW, there were a couple things that the offline docs don't document well (either they point to some other function in some other class or you get a bad link)... Since I went through the entire documentation to do this, I researched this stuff and put the right info in the document.
Also, I broke out the statics from the regular classes, so you know when to use Sys.UI.Behavior.someMethod and when to use MyBehavior.someMethod. The only thing I didn't mention in my cheat sheets (that you need to remember) is that if something is documented as a property that means that there is a get_propertyName() function/method and (if the property is not readonly) a set_propertyName(value) function/method.
Anyway, I hope you find it useful (I'll probably make a couple updates in time). BTW, I attached the zipped PDF to this post.
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