Transcript Ajax PPT - Black2d.com

Ajax for Dynamic Web Development
Gregory McChesney
What Is Ajax
Ajax stands for Asynchronous JavaScript
and XML
 Method of communicating between web
server and client
 Requires

JavaScript
 XML
 HTML
 CSS

Applications
Create “desktop” like applications
 No refresh required
 Used by

Google Maps
 ESPN
 Microsoft Outlook Web Access
 Google Suggest

Ajax Benefits
Robust Web Applications
 Reduced Server Load
 Reduced Bandwidth Usage
 Ajax has some built in security
 Can be used without user interaction

Ajax Problems/Issues
Ajax depends on the browser to make
requests
 Change in security model
 Can be used without user interaction

Code Sample’s
HTML Script
 JavaScript
 Server Side
 No Ajax

Demo’s
Name Suggestion
 Name Suggestion (No Ajax)
 Google Suggest
 ESPN
