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The <th> tag

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Definition and Usage

Defines a header cell in a table. Very much the same as a data cell, but rendered in bold and with a default center alignment.


Examples

This code: Produces this 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

Attributes: Values: Description:
abbr text Abbreviated version of the content in the cell
align left
right
center
justify
char
Horizontal alignment of cell content
axis category_names A comma-separated list of category names. The list categorizes cells.
bgcolor color Deprecated. Use styles instead
char character Sets which character to be used to center the text around, when you set align="char"
charoff pixels
%
Specifies an offset that must be used when you have set align="char". This offset is added to the position where the character to center around is
colspan number Number of columns this cell must cover. If the value is "0", this column will span from this column to the last column in the table
height %
pixels
Deprecated. Use styles instead, like this: <th style="height:100px">
headers header_cells'_id A space-separated list that specifies the header cells that apply to the <th>. This attribute allows text-only browsers to render the header information for a given cell.
rowspan number Number of rows this cell must cover. If the value is "0", this row will span from this row to the last row in the table
scope col
colgroup
row
rowgroup
Specifies the cells for which the th element provides header information. This attribute is a simpler alternative to using headers
valign top
middle
bottom
baseline
Vertical alignment of cell contents
width %
pixels
Deprecated. Use styles instead, like this: <th style="width:100px">

Standard Attributes

id, class, title, style, dir, 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.


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