NodeSeries2_5.js

// First require in the EventEmitter Object
var EventEmitter = require('events').EventEmitter;
// Create a new instance of the EventEmitter
var bunnyError = new EventEmitter();

// This is where you create your bunnyError event
// and create a callback that will be triggered when 
// bunnyError is called
bunnyError.on('bunnyWarning', function(warning) {
  console.log(`BUNNY WARNING: ${warning}`);
});

// Triggers bunnyError event.
bunnyError.emit('bunnyWarning', 'Not enough blueberries!!');
bunnyError.emit('bunnyWarning', 'You brought a dog!');
bunnyError.emit('bunnyWarning', 'Pooped on the carpet again.');

// Lets create another event!
bunnyError.on('bunnyNeed', function(need) {
  console.log(`I need ${need}`);
})

// Now lets trigger the bunnyNeed event!
bunnyError.emit('bunnyNeed', 'a potato.');
bunnyError.emit('bunnyNeed', 'a tomato.');
bunnyError.emit('bunnyNeed', 'hugs.');