This site was an assigned textbook for a survey course at The University of Texas/Austin. Read on and let the Tryouts, Checkpoints and Mastery Tests below help you learn anytime without coming to a classroom.
Tryout (change the markup then click the button)
Here is a very small piece of HTML markup. Change the content, or add to the markup to see the effect of the HTML in the browser without leaving the course page.
Checkpoint (answer then click)
You have read how this site works. How can you quickly search for words in a WebSys lesson page? How to you retrieve the left-hand menus after you have scrolled down a page? Click the check point to confirm your answers.