Jamieson, Fausset & Brown

supper being ended--rather, "being prepared," "being served," or, "going on"; for that it was not "ended" is plain from Joh 13:26. the devil having now--or, "already." put into the heart of Judas . . . to betray him--referring to the agreement he had already made with the chief priests (Luk 22:3-6).