Lab 21: Making images accessible

Lab 21: Making images accessible


1. Study what an ALT tag is.

2. Use KompoZer to edit the following homepage
at http://bloggercamp.blogspot.com/2007/01/2007.html

You can copy and paste the content to your KompoZer.

3. Save your editings and preview your webpage using Firefox

4. Make the webpage accessible by
adding ALT text to the images.

5. Go to the Firefox Add-ons site for Firefox Accessibility Extension

6. Click the "Install now" button on the add-ons website

7. Check whether you can see the ALT text for the images by selecting the "Show Text Equivalent" function.


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Lab 20 More on HTML

Lab 20 More on HTML




Headings
1. Copy and paste the Headings example athttp://www.w3schools.com/html/html_primary.asp
2. Enter http://www.w3schools.com/html/tryit.asp?filename=tryhtml_basic
3. What kind of effects can you see?

Lists
4. Copy and paste the Headings example athttp://www.w3schools.com/html/html_lists.asp
5. Enter http://www.w3schools.com/html/tryit.asp?filename=tryhtml_basic
6. What kind of effects can you see?

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Lab 19 HTML

Preparation

1. Using Microsoft Notepad, Copy and paste the HTML example atIntroduction to HTML
2. Save the file as myfile.html
3. Open the file using Firefox.

New editor
4. Enter http://www.w3schools.com/html/tryit.asp?filename=tryhtml_basic
5. Copy and paste the HTML example at Introduction to HTML
6. Verify your results on the screen.

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Lab18:Comparing browsers

Comparing browsers


Install Google Browser Google Chrome and Firefox 3.0, try a few websites and compare their performance. For example, youtube, blogspot, msn, and yahoo.

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作業：Homework 5

Homework 5


1. 網路可不可能增進身心障礙者的便利，請舉例說明?
2. 瀏覽器會洩漏使用者的隱私嗎? 為甚麼?

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