WebFund 2014W Lecture 14

The video from the lecture given on February 28, 2014 is available:

• Small from screencast.com
• Large from screencast.com
• Original from CUOL

Topics

• adventure-ajax-demo
• jQuery
• javascript console in browsers
• web security

Design considerations

• concurrency: multiple clients doing requests in parallel
  • avoid modifying the "same" data structure in parallel
  • => change different documents where possible, rather than multiple changes to the same document
• latency: how long to update client interface
  • make sure database operations will be fast
  • optimize queries (build appropriate indexes