The payload argument of dispatchEvent for event K in event map T. It is the event type without the fields the engine sets: type, target, currentTarget and stopPropagation. The argument is optional when the event has no payload.
dispatchEvent
K
T
type
target
currentTarget
stopPropagation
The payload argument of
dispatchEventfor eventKin event mapT. It is the event type without the fields the engine sets:type,target,currentTargetandstopPropagation. The argument is optional when the event has no payload.