If i delete a message on facebook on my ipod touch does it delete on the computer?

im on vacation at my cuzzins house and i had alot of messages on fb so i deleted them all on my ipod touch but im jw if theyll delete on the computer to becuz i dont wanna go and delete them all again and i dont have a computer at my cuzzins house. so will they also delete on fb onna computer or do i have to do it again?