node.js: emitter.listenerCount(eventName)

emitter.listenerCount(eventName)

Returns a copy of the array of listeners for the event named eventName.

HelloWorld.js

var util = require('util');

var EventEmitter = require('events').EventEmitter;

var emitter = new EventEmitter();

emitter.on('Hello', () =>{
 console.log("Hello World");
});

emitter.on('Hello', (name) => {
 console.log(`Hello Mr ${name}`);
})

console.log(util.inspect(emitter.listeners('Hello')));

Output
[ [Function], [Function] ]

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