Which preposition to use with jocose

in Occurrences 1%

There was something to them extremely jocose in their occupying, as it were, the other side of the question, and appearing as the honest, injured party.

on Occurrences 1%

Jerry and the young man he called Stub were openly in competition for her attention, highly jocose on Stub's part and not at all so on Jerry's, whose brow did not clear at the constant crackling of the other's witticisms.

over Occurrences 1%

He could see it all,the manner in which they had made fun of him, and had been jocose over his intended marriage.

Which preposition to use with  jocose