The Switch didn't change the meaning of A and B; the OS and all first-party Nintendo games that I've seen use A=confirm and B=cancel, which has been the case fo

The Switch didn't change the meaning of A and B; the OS and all first-party Nintendo games that I've seen use A=confirm and B=cancel, which has been the case for a long time. There are some games I've played on the Switch that use B=confirm, I think usually so that button layout is the same across consoles.