different.js code

createPerson.closure.js

function createPerson(name){
    console.log('\ncreatePerson.closure: %s', name);
    var cakesEaten = 0;
    return {
        eatCake: function(){
            console.log('%s: om nom nom nom', name);
            cakesEaten++;
        },
        stillHungry: function(){
            console.log('more cake %s?', name)
            if(cakesEaten < 3){
                console.log('\t%s: Yes please! I have only had %d cakes!', name, cakesEaten);
                return true;
            }
            console.log('\t%s: No thank you! I have eaten %d cakes!', name, cakesEaten);
            return false;
        }
    };
};

module.exports = createPerson;

eat.cake.foreach.js

var cakes = ['coffee','cheese','bundt','angel']

var Person = require('./Person.this');

var person = new Person('Abby');
cakes.forEach(person.eatCake);
console.log('person.stillHungry:', person.stillHungry());

var createPerson = require('./createPerson.closure');
var person = createPerson('Bill');
cakes.forEach(person.eatCake);
console.log('person.stillHungry:', person.stillHungry());

eat.cake.while.hungry.js

var Person = require('./Person.this');

var person = new Person('Abby');
while(person.stillHungry()){
    person.eatCake();
}

var createPerson = require('./createPerson.closure');
var person = createPerson('Bill');
while(person.stillHungry()){
    person.eatCake();
}

Person.this.js

function Person(name){
    console.log('\nPerson.this: %s', name);
    this.name = name;
    this.cakesEaten = 0;
};

Person.prototype.eatCake = function(){
    console.log('%s: om nom nom nom', this.name);
    this.cakesEaten++;
};
Person.prototype.stillHungry = function(){
    console.log('more cake %s?', this.name)
    if(this.cakesEaten < 3){
        console.log('\t%s: Yes please! I have only had %d cakes!', this.name, this.cakesEaten);
        return true;
    }
    console.log('\t%s: No thank you! I have eaten %d cakes!', this.name, this.cakesEaten);
    return false;
};

module.exports = Person;