in reply to
What does this mean?
It means if an argument was passed to setID, and it was defined (ie not undef), then set the attribute _id to that argument.
Non-existent; I don't have TV
Non-existent; my TV doesn't have/need a remote
Under my control; I watch alone
Under the control of whoever shouts loudest
Under the control of whoever gets it first
One of many, and the TV has a mind of its own
Results (91 votes),