HTML 5 <th> Tag
Example
A simple HTML table with two header cells and two data cells:
<table border="1">
<tr>
<th>Header 1</th>
<th>Header 2</th>
</tr>
<tr>
<td>Cell A</td>
<td>Cell B</td>
</tr>
</table> |
View it » |
Definition and Usage
The <th> tag defines a header cell in an HTML table.
An HTML table has two kinds of cells:
- Header cells - contains header information (created with the th element)
- Standard cells - contains data (created with the td element)
The text in a th element is often bold and centered.
The text in a td element is often left-aligned.
Differences Between HTML 4.01 and HTML 5
Some HTML 4.01 attributes are not supported in HTML 5.
Attributes
| Attribute |
Value |
Description |
| abbr |
text |
Not supported in HTML 5 |
| align |
left
right
center
justify
char |
Not supported in HTML 5 |
| axis |
category_name |
Not supported in HTML 5 |
| char |
character |
Not supported in HTML 5 |
| charoff |
number |
Not supported in HTML 5 |
| colspan |
number |
Indicates the number of columns this cell should span |
| 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 |
| height |
pixels
% |
Not supported in HTML 5 |
| nowrap |
nowrap |
Not supported in HTML 5 |
| rowspan |
number |
Indicates the number of rows this cell should span |
| 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 |
| valign |
top
middle
bottom
baseline |
Not supported in HTML 5 |
| width |
pixels
% |
Not supported in HTML 5 |
Standard Attributes
The <a> tag also supports the Standard Attributes in HTML 5.
Event Attributes
The <a> tag also supports the Event Attributes
in HTML 5.
| 
