Stops loading data for a particular task.
- iOS 11.0+
- macOS 10.13+
- Mac Catalyst 13.0+
The web view invoking the method.
The task that the handler should end.
WebKit calls this method on your handler to tell it to stop processing this task. After this method is called, your handler must not call any methods on the task object. An exception will be thrown if it does.