super coomit

task9/1/app.js

@@ -0,0 +1,12 @@
+const Emitter = require('events');
+let emitter = new Emitter();
+let eventName = 'greet';
+emitter.on(eventName, function () {
+    console.log('Hello all!');
+});
+
+emitter.on(eventName, function () {
+    console.log('Привет!');
+});
+
+emitter.emit(eventName);

task9/2/app.js

@@ -0,0 +1,9 @@
+
+const Emitter = require('events');
+let emitter = new Emitter();
+let eventName = 'greet';
+emitter.on(eventName, function (data) {
+    console.log(data);
+});
+
+emitter.emit(eventName, 'Пупу');

task9/3/app.js

@@ -0,0 +1,17 @@
+const EventEmitter = require('events');
+
+let eventName = 'greet';
+
+class User extends EventEmitter {
+    sayHi(data) {
+        this.emit(eventName, data);
+    }
+}
+
+let user = new User();
+// добавляем к объекту user обработку события "greet"
+user.on(eventName, function (data) {
+    console.log(data);
+});
+
+user.sayHi('Мне нужна твоя одежда...');