HTML5 Tutorials & More

<th> Tag

The <th> tag defines a header cell in an HTML table.

Supported In HTML4: Yes

Supported In HTML5: Yes

HTML4 vs HTML5 Differences: Some HTML 4.01 attributes are not supported in HTML 5.

Attributes

Title	Values	Description	HTML4 Support	HTML5 Support
abbr	text		Yes	No
align	left right center justify char		No	No
axis	category_name		No	No
char	character		No	No
charoff	number		No	No
colspan	number	Indicates the number of columns this cell should span.	No	No
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.	No	No
height	pixels %		No	No
nowrap	nowrap		No	No
rowspan	number	Indicates the number of rows this cell should span.	No	No
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.	No	No
valign	top middle bottom baseline		No	No
width	pixels %		No	No

Standard Attributes

All standard attributes are supported.

Event Attributes

All event attributes are supported.

HTML5 Tags