method EventEmitter.listenerCount Usage in Denoimport { type EventEmitter } from "node:events"; EventEmitter.listenerCount<K>(eventName: Key<K, T>,listener?: Listener2<K, T>,): number Returns the number of listeners listening for the event named eventName. If listener is provided, it will return how many times the listener is found in the list of the listeners of the event. Type Parameters K Parameters eventName: Key<K, T> The name of the event being listened for optional listener: Listener2<K, T> The event handler function Return Type number