                <th scope="row"><code>grid</code></th>
                <td></td>
                <td>
                  <code>table</code>
                </td>
                <td>
                  <ul>
                    <li>Identifies the <code>table</code> element as a <code>grid</code> widget.</li>
                    <li>Since the <code>grid</code> role is applied to a <code>table</code> element, the <code>row</code>, <code>columnheader</code>, and <code>gridcell</code> roles do not need to be speci