JS Bin // source http://jsbin.com/yumoyat

<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width">
  <title>JS Bin</title>
</head>
<body>

function Stack() {
  this.storage = '';
}

Stack.prototype.push = function (val) {
  if (this.storage.length === 0) {
    this.storage = val;
  } else {
    this.storage = this.storage + '---' + val;
  }
};

Stack.prototype.pop = function () {
  var items = this.storage.split('---');
  var val = items.pop();

this.storage = items.join('---');
  return val;
};

Stack.prototype.size = function () {
  return this.storage.split('---').length;
};

var myWeeklyMenu = new Stack();

myWeeklyMenu.push('Red Beans');
myWeeklyMenu.push('Ranch Skillet');

console.log(myWeeklyMenu.storage);
console.log(myWeeklyMenu.size());
var meal = myWeeklyMenu.pop();

console.log(meal);
</script>

Stack.prototype.push = function (val) {
  if (this.storage.length === 0) {
    this.storage = val
  } else {
    this.storage = this.storage + '---' + val
  }
}

Stack.prototype.pop = function () {
  const items = this.storage.split('---')
  const val = items.pop()
  
  this.storage = items.join('---')
  return val
}

Stack.prototype.size = function () {
  return this.storage.split('---').length
}

const myWeeklyMenu = new Stack()

myWeeklyMenu.push('Red Beans')
myWeeklyMenu.push('Ranch Skillet')

console.log(myWeeklyMenu.storage)
console.log(myWeeklyMenu.size())
const meal = myWeeklyMenu.pop()

console.log(meal);</script></body>
</html>