用jQuery玩弄你的網頁2

This document provides an overview of jQuery, including: 1. It introduces jQuery as a JavaScript library that makes working with HTML documents faster and easier. 2. It explains that the $() function is used to select and manipulate DOM elements using CSS selectors. 3. It gives examples of how jQuery can be used to handle events, add/remove classes, make AJAX requests, and create interactive UI elements like accordions and sliders.