In the primary nav, we'll want the primary nav item to stay open if the user is on a child page for that section. For instance, if the user is on the browser support guideline page, the guidelines section in the primary nav should be open. If the user is on the data table page, components and data tables should be open.
In the primary nav, we'll want the primary nav item to stay open if the user is on a child page for that section. For instance, if the user is on the browser support guideline page, the guidelines section in the primary nav should be open. If the user is on the data table page, components and data tables should be open.