Understanding selectors and filters
Manipulating CSS and content
Working with events and effects
If you get a handle on these top three strengths, you're well on your way to being a jQuery rockstar!
This first item, understanding selectors and filters, is essential. You need to have a strong understanding of selectors and filters if you're going to be able do anything else with jQuery. The better you are at using selectors and filters, the better you'll be with jQuery period.
Selectors and filters give you the ability to (you guessed it!) select objects on your page into the jQuery wrapper object and then work with and manipulate them in just about any way you'd see fit. The selectors will allow you to easily grab an array of elements using easy CSS syntax. Filters will then further narrow down and...