This page was used as "slides" for a talk about jQuery tocjug. You can treat each section below as a "slide". Unfortunately the audio that went with the screencast didn't turn out very well - so you had to be there :-)
What is jQuery
jQuery is the "write less, do more" JavaScript library. Current Release is v1.4.2
Handles cross browser issues
Provides handy DOM manipulation
Provides handy style manipulation
Ajax support
Plugins
UI Animations
Why is it gooder than other JS libs?
Simple JavaScript
Using CSS(3) selectors for applying behaviour - "Unobtrusive JavaScript" removing behaviour from the structure