HTML <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.
Try-It-Yourself Demos
Tables
How to create tables in an HTML document.
Table borders
Different table borders.
Table with no borders
A table with no borders.
Headings in a table
How to display table headers.
Empty cells
How to use " " to handle cells that have no content.
Table with a caption
A table with a caption.
Table cells that span more than one row/column
How to define table cells that span more than one row or one column.
Tags inside a
table
How to display elements inside other elements.
Cell padding
How to use cellpadding to create more white space between the cell content and
its borders.
Cell spacing
How to use cellspacing to increase the distance between the cells.
Add a background color or a background image to a table
How to add a background to a table.
Add a background color or a background image to a table cell
How to add a background to one or more table cells.
Align the content in a table cell
How to use the "align" attribute to align the content of cells.
The frame attribute
How to use the "frame" attribute to control the borders around the table.
The frame and border attributes
How to use the "frame" and "border" attributes to control the borders around the table.
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