COSC 231 FALL 2011 Lecture Notes October 5, 2011

Lecture 2011 10m 05

Note the html validator and the css validator links on the course home page!!!

Continuing Javascript

Head First JavaScript- chapter 3
- Timer!!
- resize picture to client window.
- cookie!!
Head First JavaScript - chapter 4
- decision making: if then else, switch

Inlab

Display a 50 X 50 picture. When the user clicks the picture, move the picture to a random location
inside the window. The entire window space should be used.

After 5 clicks, reduce the picture size by 10%. Repeat as long as the picture is 15 X 15 or larger.