36.3.1 Choosing an id/headers
level
If you decide to use the id/headers method, you can
choose from three levels:
Groups:
|
Identify column-header cells or row-header cells that
apply to a block of cells, including other header cells; add headers attributes to all
affected cells, identifying each by the header cell of its block.
|
Spans:
|
Identify column-header or row-header cells that explicitly
or implicitly apply to multiple columns or rows of body cells; add headers attributes to all
affected body cells, identifying each by the header cells that apply.
|
Cells:
|
Identify each column-header cell and row-header cell;
add headers attributes to all
body cells, identifying each by row and column.
|
First see if you can use groups to adequately identify
cells; if grouping header cells does not give you enough resolution,
consider span attributes; if span attributes do not suffice, use row
and column IDs to provide the maximum amount of identification for each
cell.
If you need to identify cells
by virtual or conceptual properties, or by disjoint groupings of header
cells, you might want to apply the axis attribute also, using
one of the table markup methods described in §35.2.3
Assigning table-cell attribute values with dedicated formats
or §35.2.4
Assigning table-cell attribute values with PI markers.
Previous Topic: 36.3 Using the
id/headers method to identify table cells
Next Topic: 36.3.2 Specifying
id/headers attributes for table cells
Parent Topic: 36.3 Using the
id/headers method to identify table cells
Sibling Topics:
36.3.2 Specifying
id/headers attributes for table cells
36.3.3 Grouping
header cells for identification
36.3.4 Column-group
and row-group extent
36.3.5 Choosing
a different row-group method
36.3.6 Using span
attributes to identify rows and columns
36.3.7 Column-span
and row-span extent
36.3.8 Identifying
individual table cells by row and column
36.3.9 Column
and row extent
36.3.10 Using
span IDs with row or column IDs