function Hamburger() {

}

​

​

Hamburger.SIZE_SMALL = 'small';

Hamburger.SIZE_BIG = 'big';

Hamburger.CHEESE = 'cheese';

Hamburger.SALAD = 'salad';

Hamburger.POTATO = 'potato';

​

Hamburger.properties = {

  small: { price: 50, calor: 20 },

  big: { price: 100, calor: 40 },

  cheese: {  price: 10, calor: 20 },

  salad: { price: 20, calor: 5 },

  potato: { price: 15, calor: 10 }

};

​

​

var SIZE_SMALL = 'small',

    SIZE_BIG = 'big',

    CHEESE = 'cheese',

    SALAD = 'salad',

    POTATO = 'potato';

​

​

Hamburger.prototype.calcPrice = function() {

  if (!this.full) {

    return 'Ошибка: Вы не сделали заказ';

  }

  var selection = this.full;

  var sumPrice = 0;

  for (var i = 0; i < selection.length; i++) {

    sumPrice += Hamburger.properties[selection[i]].price;

  }

  this.sumPrice = sumPrice;

  return this.sumPrice;

};

​

​

Hamburger.prototype.calcCalor = function() {

  if (!this.full) {

    return 'Ошибка: Вы не сделали заказ';

  }

  var selection = this.full;

  var sumCalor = 0;

  for (var i = 0; i < selection.length; i++) {

    sumCalor += Hamburger.properties[selection[i]].calor;

  }

  this.sumCalor = sumCalor;

  return this.sumCalor;

};

​

​

Hamburger.prototype.makeSelection = function(hamburger, filling) {

  var full = [];

  var text = 'Ваш заказ: ';

  if (hamburger == SIZE_SMALL) {

    full.push(SIZE_SMALL);

    text += 'маленький гамбургер, ';

  } else if (hamburger == SIZE_BIG){

    full.push(SIZE_BIG);

    text += 'большой гамбургер, ';

  }

  if (filling == CHEESE) {

    full.push(CHEESE);

    text += 'сыр';

  } else if (filling == SALAD) {

    full.push(SALAD);

    text += 'салат';

  } else {

    full.push(POTATO);

    text += 'картошка';

  }

  this.full = full;

  this.text = text;

  return this.text;

};

​

var order1 = new Hamburger();

​

console.log(1);

console.log(order1.makeSelection(SIZE_BIG, SALAD));

console.log('Стоимость(тугриков): ' + order1.calcPrice());

console.log('Калории: ' + order1.calcCalor());

​

​

var order2 = new Hamburger();

​

console.log(2);

console.log(order2.makeSelection(SIZE_SMALL, POTATO));

console.log('Стоимость(тугриков): ' + order2.calcPrice());

console.log('Калории: ' + order2.calcCalor());

​

​

var order3 = new Hamburger();

​

console.log(3);

console.log(order3.makeSelection(SIZE_BIG, SALAD));

console.log('Стоимость(тугриков): ' + order3.calcPrice());

console.log('Калории: ' + order3.calcCalor());

​

​

var order4 = new Hamburger();

​

console.log(4);

console.log('Стоимость(тугриков): ' + order4.calcPrice());

console.log('Калории: ' + order4.calcCalor());

console.log(order4.makeSelection(SIZE_BIG, SALAD));

​

​

var order5 = new Hamburger();

​

console.log(5);

console.log(order5.makeSelection(SIZE_MIDDLE, SALAD));

console.log('Стоимость(тугриков): ' + order5.calcPrice());

console.log('Калории: ' + order5.calcCalor());