puppeteer/docs/api/puppeteer.eventemitter.listenercount.md
2022-07-01 13:34:41 +02:00

615 B

sidebar_label
EventEmitter.listenerCount

EventEmitter.listenerCount() method

Gets the number of listeners for a given event.

Signature:

class EventEmitter {
  listenerCount(event: EventType): number;
}

Parameters

Parameter Type Description
event EventType the event to get the listener count for

Returns:

number

the number of listeners bound to the given event