A scrolling mode in which scrubber items remain fixed in place, and the item under the user's finger is highlighted.
- macOS 10.12.2+
When a user swipes horizontally across the scrubber, the scrubber items remain fixed in place and the item under the user’s finger highlights. At the conclusion of the touch interaction, the last-highlighted item is selected.
For details on how to choose the correct mode for your app, see Choosing a Scrubber Touch-Interaction Model.