node.js: emitter.removeAllListeners([eventName])

emitter.removeAllListeners([eventName])

Remove all listeners associated with this event.

HelloWorld.js

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

var emitter = new EventEmitter();

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

emitter.on('sayHello', () => {
 console.log('Good Morning');
});

console.log('Emitting "sayHello" event');

emitter.emit('sayHello');

console.log('Removing all listeners for "sayHello" event');
emitter.removeAllListeners('sayHello');

console.log('Emitting "sayHello" event');

Output

Emitting "sayHello" event

Hello World

Good Morning

Removing all listeners for "sayHello" event

Emitting "sayHello" event

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