Eventfulmixin.jsline 11This provides methods used for event handling. It's not meant to be used directly.Static Methodsfire(eventName, eventData)mixin.jsline 26Fire an event, causing all handlers for that event name to run.PARAMETERSNameTypeDescriptioneventNamestringName of the event.eventDataObjectThe data provided to each handler.on(eventName, handler)mixin.jsline 17Register a handler function to be called whenever this event is fired.PARAMETERSNameTypeDescriptioneventNamestringName of the event.handlerfunctionThe handler to call.