EventEmitter.addListener() method

Warning: This API is now obsolete.

please use EventEmitter.on() instead.

Add an event listener.

Signature:

class EventEmitter {
  addListener<Key extends keyof EventsWithWildcard<Events>>(
    type: Key,
    handler: Handler<EventsWithWildcard<Events>[Key]>
  ): this;
}

Parameters

Parameter	Type	Description
type	Key
handler	Handler<EventsWithWildcard<Events>[Key]>

Returns:

this