Feburary 16

Patent 5,838,906

• Eolas
• Patent 5,838,906
• Patent 5,838,906 and JavaScript

Security on the web

• What Applets Can and Cannot Do
• JavaScript security model
• Same origin security policy
• Cross-site request forgery
• https://

Mashups

• Web application mashups
• Examples of mashups
• List of mashup API’s

Back to earth...

JavaScript works on clients and CGI scripts on servers, but can you avoid loading entire pages?

• JSON specification
• JSON everywhere
• XMLHttpRequest
• XMLHttpRequest Level 2
• XMLHttpRequest

Trying it out

Let’s try a little JSON by modifying the one of the textbook’s example. Start by downloading these three files used in the textbook.

• mightygumball.css
• mightygumball.html
• mightygumball.js

However, modify the application to work with courses and use the json file stored at the url http://www.cs.unca.edu/brock/classes/Spring2012/242/lectlabs/examples/courses.json.