Tags
<!-->
<!DOCTYPE>
<a>
<abbr>
<acronym>
<address>
<applet>
<area>
<b>
<base>
<basefont>
<bdo>
<big>
<blockquote>
<body>
<br>
<button>
<caption>
<center>
<cite>
<code>
<col>
<colgroup>
<dd>
<del>
<dfn>
<dir>
<div>
<dl>
<dt>
<em>
<fieldset>
<font>
<form>
<frame>
<frameset>
<head>
<h1> - <h6>
<hr>
<html>
<i>
<iframe>
<img>
<input>
<ins>
<kbd>
<label>
<legend>
<li>
<link>
<map>
<menu>
<meta>
<noframes>
<noscript>
<object>
<ol>
<optgroup>
<option>
<p>
<param>
<pre>
<q>
<s>
<samp>
<script>
<select>
<small>
<span>
<strike>
<strong>
<style>
<sub>
<sup>
<table>
<tbody>
<td>
<textarea>
<tfoot>
<th>
<thead>
<title>
<tr>
<tt>
<u>
<ul>
<var>

Standard
Attributes
Events

The <th> tag

Definition and Usage

Defines a table header cell in a table. The text within the th element usually renders in bold.

Differences Between HTML and XHTML

The "bgcolor", "height", "width", and "nowrap" attributes of the th element were deprecated in HTML 4.01.

The "bgcolor", "height", "width", and "nowrap" attributes of the th element are not supported in XHTML 1.0 Strict DTD.

Example

Source Output
<table border = "1">
<tr>
<th>Header 1</th>
<th>Header 2</th>
</tr>
<tr>
<td>Cell A</td>
<td>Cell B</td>
</tr>
</table>
Header 1 Header 2
Cell A Cell B

Optional Attributes

DTD indicates in which DTD the attribute is allowed. S=Strict, T=Transitional, and F=Frameset.

Attribute Value Description DTD
abbr abbr_text Specifies an abbreviated version of the content in a cell STF
align left
right
center
justify
char		 Specifies the horizontal alignment of cell content STF
axis category_names Defines a name for a cell STF
bgcolor rgb(x,x,x)
#xxxxxx
colorname		 Specifies the background color of the table cell. Deprecated. Use styles instead. TF
char character Specifies which character to align text on.

Note: Only used if align="char"!

 STF
charoff pixels
%  		 Specifies the alignment offset to the first character to align on.

Note: Only used if align="char"!

 STF
colspan number Indicates the number of columns this cell should span STF
headers header_cells'_id A space-separated list of cell IDs that supply header information for the cell. This attribute allows text-only browsers to render the header information for a given cell STF
height pixels Specifies the height of the table cell. Deprecated. Use styles instead. TF
nowrap nowrap Whether to disable or enable automatic text wrapping in this cell. Deprecated. Use styles instead. TF
rowspan number Indicates the number of rows this cell should span STF
scope col
colgroup
row
rowgroup		 Specifies if this cell provides header information for the rest of the row that contains it (row), or for the rest of the column (col), or for the rest of the row group that contains it (rowgroup), or for the rest of the column group that contains it STF
valign top
middle
bottom
baseline		 Specifies the vertical alignment of cell content STF
width pixels
%		 Specifies the width of the table cell. Deprecated. Use styles instead. TF

Standard Attributes

id, class, title, style, dir, lang, xml:lang

For a full description, go to Standard Attributes.

Event Attributes

onclick, ondblclick, onmousedown, onmouseup, onmouseover, onmousemove, onmouseout, onkeypress, onkeydown, onkeyup

For a full description, go to Event Attributes.