event emitter

16-event-emitters.js

@@ -0,0 +1,18 @@
+// Events
+
+const EventEmitter = require('events')
+
+const customEmitter = new EventEmitter()
+
+// on - listen for an event
+// emit - emit an event
+
+customEmitter.on('response', (name, id) => {
+  console.log(`data received: name: ${name}, id: ${id}` )
+})  // subscribe to the event
+
+customEmitter.on('response', () => {
+  console.log('here is another logic')
+}) 
+
+customEmitter.emit('response','Anupam',38) // first we have to listen to the event and then emit it, o/w it is not gonna work // one emit can listen to multiple events and will accept arguements accordingly