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Version: 21.4.1

EventEmitter.emit() method

Emit an event and call any associated listeners.

Signature:

class EventEmitter {
emit<Key extends keyof EventsWithWildcard<Events>>(
type: Key,
event: EventsWithWildcard<Events>[Key]
): boolean;
}

Parameters

ParameterTypeDescription
typeKeythe event you'd like to emit
eventEventsWithWildcard<Events>[Key]

Returns:

boolean

true if there are any listeners, false if there are not.