… that have helped me improve both my understanding of JavaScript, and my jQuery-Fu.

General Goodness

• Custom events in jQuery open doors to complex behaviors
• Six Things Every jQuery Developer Should Know
• How to Create Your Own jQuery Plugin
• Introduction to Stateful Plugins and the Widget Factory

Some Tools

I’ve also come across of few kick-ass Firebug plugins you won’t be able to live without.

• FireQuery: a Firebug extension for jQuery development
• FireFinder: Finds HTML elements matching chosen CSS selector(s)

You can also check out my del.icio.us feed for my favorite jQuery resources. If you have some favorite article or resources, please link them in the comments!

Remember, learning is a primary input to improving!