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Defining table headers

From: Up and Running with HTML

Video: Defining table headers

So far, we've looked at the three basic structural table tags, which are table, table row, and table cell. In this movie, I want to introduce another structural tag that can really enhance the meaning of tables, and that would be the table header tag. So I've got the tables.htm page opened from the 05_05 folder, and I've opened it up in a browser first. The reason for that is I want to take another quick look at the table here as it's rendering. It's pretty easy to tell that the top row of this table has special meaning. Essentially what you're seeing in those cells--the tag name, description--they're the title for the content that's underneath them.

Defining table headers

So far, we've looked at the three basic structural table tags, which are table, table row, and table cell. In this movie, I want to introduce another structural tag that can really enhance the meaning of tables, and that would be the table header tag. So I've got the tables.htm page opened from the 05_05 folder, and I've opened it up in a browser first. The reason for that is I want to take another quick look at the table here as it's rendering. It's pretty easy to tell that the top row of this table has special meaning. Essentially what you're seeing in those cells--the tag name, description--they're the title for the content that's underneath them.

We need to be able to identify that content as being, if you will, headers to the content that appears below them, and thankfully, we have the table header tag, which is a nice structural element that allows us to do that. So I'm going to go back into my code editor here, and I just want to find this opening table row right here that has Tag, Name, and Description inside of it. And the same way that td is table cell, if you will, th is table header. So to make those headers all you need to do is use the th tag instead of the td tag.

So I'm just going to go ahead and modify mine so that both of the opening and the closing tags for all of those are using the th tag. If I save this and then go back out to my browser and refresh the page, you can see that we have some stylistic differences going on here. It centers it, it bolds it, and it's really just the default rendering. If you wanted to make them look even more different than this, or change their alignment, or change their color, change their background, things like that, you can do that through the use of CSS styles.

What I want you to focus on is that now more information is being passed to the user agent about this table. It's saying that this row is special. These are headers, and they're going to basically refer to all the rest of the information in the table. Our sample table is nearly complete. There is one last thing that we need to discuss, however, and that's how to make this table data a little bit more accessible, and we're going to explore that in out next exercise.

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This video is part of

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Up and Running with HTML

49 video lessons · 26073 viewers

James Williamson
Author

 
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  1. 2m 12s
    1. Welcome
      55s
    2. Using the exercise files
      1m 17s
  2. 29m 30s
    1. Learning HTML
      2m 47s
    2. Choosing a code editor
      5m 2s
    3. Exploring basic HTML syntax
      8m 18s
    4. Do I need to learn HTML5?
      5m 6s
    5. Exploring HTML references
      8m 17s
  3. 35m 40s
    1. Exploring an HTML document
      5m 19s
    2. Working with doctype declarations
      4m 3s
    3. Examining the document head
      8m 20s
    4. Looking at the document body
      3m 21s
    5. Adding document structure
      8m 52s
    6. Lab: Coding a basic page
      3m 9s
    7. Solution: Coding a basic page
      2m 36s
  4. 1h 23m
    1. How does HTML format text?
      5m 51s
    2. Adding headings
      7m 24s
    3. Formatting paragraphs
      4m 54s
    4. Controlling line breaks
      3m 50s
    5. Creating lists
      10m 37s
    6. Emphasizing text
      6m 42s
    7. Displaying special characters
      5m 8s
    8. Controlling whitespace
      4m 35s
    9. Inserting images
      9m 20s
    10. Lab: Controlling page content
      13m 57s
    11. Solution: Controlling page content
      10m 55s
  5. 31m 54s
    1. Linking to pages within your site
      6m 45s
    2. Linking to external pages
      3m 2s
    3. Linking to downloadable resources
      2m 25s
    4. Linking to page regions
      8m 0s
    5. Lab: Creating Links
      5m 57s
    6. Solution: Creating Links
      5m 45s
  6. 40m 27s
    1. Examining basic table structure
      5m 10s
    2. Adding content to tables
      6m 20s
    3. Setting table attributes
      7m 42s
    4. Adding table captions
      4m 3s
    5. Defining table headers
      2m 13s
    6. Making table data accessible
      5m 46s
    7. Lab: Building tables
      4m 13s
    8. Solution: Building tables
      5m 0s
  7. 43m 23s
    1. Understanding the relationship between HTML and CSS
      4m 58s
    2. Creating inline styles
      4m 53s
    3. Exploring the style element
      5m 13s
    4. Basic font styling
      9m 24s
    5. Changing color
      4m 55s
    6. Taking styles further
      5m 24s
    7. Lab: Controlling basic styles
      5m 10s
    8. Solution: Controlling basic styles
      3m 26s
  8. 5m 44s
    1. Next steps
      2m 56s
    2. Additional resources
      2m 48s

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