backItem
The item immediately preceding the current item, if any.
Declaration
var backItem: WKBackForwardListItem? { get }Discussion
If the current item is the first item in the list, the value in this property is nil.
The item immediately preceding the current item, if any.
var backItem: WKBackForwardListItem? { get }If the current item is the first item in the list, the value in this property is nil.