Ajax PPT - Black2d.com
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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