Specifies the cells for which the <td> element provides header information. This provides an alternative to using explicitly named header elements (<th>) if the arrangement of header cells is not complex. (This attribute is based on and intended to be converted easily to the XHMTL scope attribute.)
Caution: This attribute has not been widely supported.
| Value | Meaning |
|---|---|
| col | Provides header information for the rest of a column. |
| colgroup | Provides header information for the rest of a column group (i.e., the remaining cells within the <colgroup> element). |
| row | Provides header information for the rest of a row. |
| rowgroup | Provides header information for the rest of a row group (i.e., the remaining cells of the current <thead>, <tfoot>, or <tbody>). |
| Restriction: | |