Login Register

eventemitter.listenerCount()

emitter.listenerCount(eventName)

eventName <Value> The name of the event being listened for

Returns the number of listeners listening to the event named eventName.

Links:

https://nodejs.org/dist/latest-v5.x/docs/api/events.html#events_emitter_listenercount_eventname

doc_Nodejs

2025-01-10 15:47:30

Comments

Leave a Comment

Please login to continue.

Popular Articles

EventEmitter Class: EventEmitter The EventEmitter class is defined and exposed by the events module: const EventEmitter = require('events'); All EventEmitters em

eventemitter.once() emitter.once(eventName, listener) Adds a one time listener function for the event named eventName. This listener is invoked only the next time eventN

EventEmitter Stable Class Class Overview class EventEmitter { constructor(isAsync?: boolean) emit(value?: T) subscribe(generatorOrNext?: any, error

eventemitter.on() emitter.on(eventName, listener) Adds the listener function to the end of the listeners array for the event named eventName. No checks are made to see

eventemitter.listeners() emitter.listeners(eventName) Returns a copy of the array of listeners for the event named eventName. server.on('connection', (stream) => { cons