Properties
cancelable
cancelable: boolean
currentTarget
currentTarget: EventTarget & T
defaultPrevented
defaultPrevented: boolean
elapsedTime
elapsedTime: number
eventPhase
eventPhase: number
isTrusted
isTrusted: boolean
nativeEvent
nativeEvent: TransitionEvent
propertyName
propertyName: string
pseudoElement
pseudoElement: string
target
target: EventTarget
timeStamp
timeStamp: number
currentTarget - a reference to the element on which the event listener is registered.
target - a reference to the element from which the event was originally dispatched. This might be a child element to the element on which the event listener is registered. If you thought this should be
EventTarget & T, see https://github.com/DefinitelyTyped/DefinitelyTyped/issues/11508#issuecomment-256045682