[Rails] unobstrusive Javascript in Rails 3

I have written some Javascript in some of the Rails sites I've worked
on, but I've tried to avoid it in many or most cases. I have a JQuery
book, but have only really touched on it a little. I did do a bunch of
Javascript on a project several years ago.

When I started using Rails 3, I noticed I had to specify or install
Prototype explicitly and I see that Rails 3 recommends using
unobstrusive Javascript. I've used JRails before as well ..

Is this a sign that I really need to start learning JQuery more ? I'm
curious people's comments on this ..

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