The navigation item that is immediately below the topmost item on navigation bar’s stack.
- iOS 2.0+
- Mac Catalyst 13.0+Beta
- tvOS 9.0+
leftBarButtonItem property of the topmost navigation item is
nil, the navigation bar displays a back button whose title is derived from the item in this property.
If there is only one item on the navigation bar’s stack, the value of this property is
Pushing and Popping Items
Replaces the navigation items currently managed by the navigation bar with the specified items.
An array of navigation items managed by the navigation bar.
The navigation item at the top of the navigation bar’s stack.
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