1. AJAX (Asynchronous JavaScript and XML) Amit Jain CS 590 – Winter 2008

2. Last Presentation What is AJAX How AJAX works DOM Understanding DOM Hello World Application

3. AJAX Libraries Plenty of Open Source Libraries available Free to use, modify, merge, publish and even sell.

4. A Small Example A simple Content Slide up, Slide down Example How to use it A real world Usage

5. How it Works The basic Javascript DOM manipulation Algorithm Get the content and its height using Div or id Modify its visibility Update its height and top attributes depending on slide up or slide down. Set a timer to repeat the above step

6. Some more Demos not developed by me Table Sort Example http://www.frequency- decoder.com/demo/table-sort- revisited/dynamic/ Tip Zoom Magnifier http://valid.tjp.hu/tjpzoom/