+ if ( $el.hasClass( 'handlediv' ) ) {
+ // The handle button was clicked.
+ $el.attr( 'aria-expanded', ariaExpandedValue );
+ } else {
+ // The handle heading was clicked.
+ $el.closest( '.postbox' ).find( 'button.handlediv' )
+ .attr( 'aria-expanded', ariaExpandedValue );
+ }