--- sidebar_label: EventEmitter.listenerCount --- # EventEmitter.listenerCount() method Gets the number of listeners for a given event. #### Signature: ```typescript class EventEmitter { listenerCount(type: keyof EventsWithWildcard): number; } ``` ## Parameters
Parameter Type Description
type keyof [EventsWithWildcard](./puppeteer.eventswithwildcard.md)<Events> the event to get the listener count for
**Returns:** number the number of listeners bound to the given event