#1 elevator.on("floor_button_pressed", function(floorNum) { elevator.goToFloor(floorNum); }); #2 elevator.on("stopped_at_floor", function(floorNum) { elevatorFloorNum = floorNum; }); #3 elevator1.on("idle", function() { if(elevator1.currentFloor() > 0) elevator1.goToFloor(elevator1.currentFloor()-1); else elevator1.goToFloor(elevator1.currentFloor()+1); }); elevator1.on("floor_button_pressed", function(floorNum) { elevator1.goToFloor(floorNum); }); elevator1.on("stopped_at_floor", function(floorNum) { elevatorFloorNum1 = floorNum; }); #4