sidebar_label |
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EventEmitter.on |
Bind an event listener to fire when an event occurs.
class EventEmitter {
on<Key extends keyof EventsWithWildcard<Events>>(
type: Key,
handler: Handler<EventsWithWildcard<Events>[Key]>
): this;
}
Parameter |
Type |
Description |
---|---|---|
type |
Key |
the event type you'd like to listen to. Can be a string or symbol. |
handler |
Handler<EventsWithWildcard<Events>[Key]> |
the function to be called when the event occurs. |
this
this
to enable you to chain method calls.