After that, it is an entirely practical next step to start learning jQuery at CodeSchool. It's easy enough to follow and quickly teaches the basics of using jQuery for real-world applications. Most importantly, the jQuery techniques they teach are current... i.e. they quickly teach you to animate by using a combination of jQuery and CSS classes and ids.
Stuck in the Middle
If you've done the above, you've absorbed the basics... You're writing some speghetti-jQuery of your own and elements are moving all over the page. Life is good.
The names of the levels will give you an idea of the material covered:
- Forest of Function Expressions
- Cold Closures Cove
- Hoisting Hills
- Ocean of Objects
- Plains of Prototypes