In a quick new entry to his blog, Richard Thomas shows how to integrate the popular jQuery javascript library into your Solar application.
Going to go through a quick walk through of how to use a hacked together version of my old jquery library with solar. You can find the class source files here.
He sets up a callback in the Base controller (that all other controllers extend) for the jQuery calls so that any of the "child" controllers can just call "/controller/jquery" to make jQuery requests.