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