Signed in as:
Creating Websites home
Introduction to the Web
Marking up text
FTP and FileZilla
Links and anchors
Getting some style
Testing and debugging
Images and maps
Audio and video
The DOM and scripting
Logic and Arrays
Functions and document.write
Forms and INPUT
Scripting w/ tables
This video explores how to find and fix errors and problems in your
HTML or CSS code:
Note: I strongly suggest you view all our videos in full screen mode: click the icon in the lower right corner of the video area (it shows four arrows pointing to the corners of the screen). When you are done, the Esc ("escape") key returns you to regular mode.
Lesson 9: Testing and Debugging
Postscript to the video:
Well, putting into practice what I'm preaching here, I
learned two lessons:
1. To avoid warning messages from the validator, include lang=en
(or whatever your language is) within your <html> start tag
(that is: <html lang=en>)
2. Be sure to include this in your <head>:
A cumulative summary of the contents of the course so far: Click here to download the cumulative technical summary pdf file
Hands on exercise
The goal here is become comfortable with the online validation tools.
For all the lab pages so far:
Validate the HTML and CSS then:
make any corrections needed to clear up the errors.
If time and interest permit, try introducing errors then analyzing the messages from the validators
This bonus video discusses the cache and how to clear it:
Lesson 9: Testing and debugging
bonus video: The Cache
Hands on exercise
Their is no formal hands on lab here, but you might make sure you can clear the cache on your browser.
back list forward
Email us if you would like additional information. We would love to see your comments and recommendations for our site.