EventEmitter.removeAllListeners() method
Removes all listeners. If given an event argument, it will remove only listeners for that event.
Signature
class EventEmitter {
  removeAllListeners(type?: keyof EventsWithWildcard<Events>): this;
}
Parameters
| Parameter | Type | Description | 
|---|---|---|
| type | keyof EventsWithWildcard<Events> | (Optional) the event to remove listeners for. | 
Returns:
this
this to enable you to chain method calls.