HTML Lesson #3
"Uncommon HTML Tags"
These tags may or may not be depreciated, but I definitely haven't seen these in use very much because they're so specialized. The list is in alphabetical order instead of order by type of tag. All tags that have been depreciated will be marked with an asterisk (*) while tags/attributes that have been depreciated and replaced by CSS will be marked by two asterisks (**).

<acronym>: Can show a short definition of a word, phrase, acronym, etc when you mouse over. Works in Firefox and Internet Explorer, and maybe Netscape and Opera.
<acronym title="Hyper-Text Mark-Up Language">HTML</acronym>
HTML

<area>: Defines a region in an image map. See <map> for an example. There is no closing tag. <big>: Displays text larger than the surrounding text.

<blockquote>: Defines a long quotation.

<iframe>: Defines an inline frame. These frames are within an ordinary HTML document.
<iframe width="760" height="200" src="http://www.gokugirl.com"></iframe>

<map>: Defines an image map. An image map is a image that has only portions of it clickable. This is a potentially complicated thing to do. You can save the map information into an external file (with the extension .map) but then you have to enclose the image within an anchor (<a>) and link to the map.
click the stars<br /><img src ="stars.gif" alt="stars" border="0" ismap usemap="#starsmap" />
<map id="starsmap" name="starsmap">
<area shape="circ" coords="13,13,8" href="http://www.yahoo.com" target="_blank" />
<area shape="circ" coords="27,27,8" href="http://www.google.com" target="_blank" />
</map>
click the stars
stars

<optgroup>: Defines a group of options in a dropdown list when you have different categories to choose from.
<select>
<optgroup label="Primary Colors">
<option>Blue</option>.
<option selected>Red</option>
<option>Yellow</option>
</optgroup>

<optgroup label="Secondary Colors">
<option>Purple</option>
<option>Green</option>
<option>Orange</option>
</optgroup>
</select>

<small>: Displays text in a smaller size than the size of the body text.

<strike> *: Crosses off text. A variant <s> (also depreciated) exists as well as <del> (not depreciated).

<sub>: Displays text below the baseline.

<sup>: Displays text above the baseline.

<thead>: Defines a header grouping. If a table spans multiple printed pages everything within <thead> will be printed at the top of every page. Must be used with <tbody> and <tfoot> as well as <tr> and <td>. Rarely used because of lack of browser support.

<tbody>: Defines a body grouping. Must be used with <thead> and <tfoot> as well as <tr> and <td>. Rarely used because of lack of browser support.

<tfoot>: Defines a footer grouping. If a table spans multiple printed pages everything within <tfoot> will be printed at the bottom of every page. Must be used with <thead> and <tbody> as well as <tr> and <td>. Rarely used because of lack of browser support.
<table border="1" align="center">
<thead><tr><td>This is in the table header.</td></tr></thead>
<tbody><tr><td>This is in the table body cell #1.</td></tr><tr><td>This is in the table body cell #2.</td></tr></tbody>
<tfoot><tr><td>This is in the table footer.</td></tr></tfoot>
</table>
This is in the table header.
This is in the table body cell #1.
This is in the table body cell #2.
This is in the table footer.

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