macikokoro

var num = 10;
  while(num > 0) {
    if(num % 2 === 0) {
      console.log(num);
    }
    num--;
  }

macikokoro

function oldestLivingParent(people) {
  var livingParents = {};
  var sortedByAge = [];
  var oldestLivingParent = false;
  var isDead = function(p) {
    return !person.age;
  };
  var isParent = function(p) {
    return !!livingParent[p.name];
  };

macikokoro

function StudentReport() {
    this.grade1 = 4;
    this.grade2 = 2;
    this.grade3 = 1;
    // to hide the grades and to display gpa only
    // change this to var in grade properties.
    this.getGPA = function() {
        return (this.grade1 + this.grade2 + this.grade3) / 3;
    };
}

macikokoro

function Dog (breed) {
    this.breed = breed;
};

// sayHello method for the Dog class 
// all dogs can now say hello
Dog.prototype.sayHello = function() {
    console.log("Hello I'm a " + this.breed + " dog.");
}

macikokoro

var languages = {
    english: "Hello!",
    french: "Bonjour!",
    notALanguage: 4,
    spanish: "Hola!"
};

// prints hello in 3 different languages.
// for in loops through all the properties one by one
// assigning the property name to x on each run of the loop.

macikokoro

function Person(first,last,age) {
   this.firstname = first;
   this.lastname = last;
   this.age = age;
   var bankBalance = 7500;
  
   this.askTeller = function(pass) {
     if (pass == 1234) return bankBalance;
     else return "Wrong password.";
   };

macikokoro

function Person(first,last,age) {
   this.firstname = first;
   this.lastname = last;
   this.age = age;
   var bankBalance = 7500;
  
   var returnBalance = function() {
      return bankBalance;
   };
       

macikokoro

function Person(first,last,age) {
   this.firstname = first;
   this.lastname = last;
   this.age = age;
   var bankBalance = 7500;
  
   this.getBalance = function() {
      // return the bankBalance
      return bankBalance;
   };

macikokoro

// original classes
function Animal(name, numLegs) {
    this.name = name;
    this.numLegs = numLegs;
    this.isAlive = true;
}
function Penguin(name) {
    this.name = name;
    this.numLegs = 2;
}

macikokoro

function Penguin(name) {
    this.name = name;
    this.numLegs = 2;
}

// the Emperor class
function Emperor(name) {
    this.name = name;
}