JS) inheritance pseudo classical

var makeHorse = function (name) {
  var result = {};
  result.name = name;
  result.goSomewhere = function (destination) {
    return name + " is galloping to " + destination + "!";
  };
  return result;
};

var makeFlyingHorse = function (name, color) {
  var result = makeHorse(name);
  result.color = color;
  var oldGoSomewhere = result.goSomewhere;
  result.goSomewhere = function (destination, milesToDestination) {
    if (milesToDestination < 10) {
      return oldGoSomewhere(destination);
    } else {
      return name + " is flying to " + destination + "!";
    }
  };
  return result;
};

// YOUR WORK GOES BELOW
// Here's some starter code to get you going!

var Horse = function (name) {
  //TODO:
  this.name = name;
};
Horse.prototype.goSomewhere = function (destination) {
  return this.name + " is galloping to " + destination + "!";
};

var FlyingHorse = function (name, color) {
  Horse.call(this, name);
  this.color = color;
};
//
FlyingHorse.prototype = Object.create(Horse.prototype);
FlyingHorse.prototype.constructor = FlyingHorse;
//
// FlyingHorse.prototype.oldGoSomewhere = function () {
//   return Horse.prototype.goSomewhere.call(this);
// };
FlyingHorse.prototype.goSomewhere = function (destination, milesToDestination) {
  if (milesToDestination < 10) {
    // return FlyingHorse.prototype.oldGoSomewhere.call(this);

    return Horse.prototype.goSomewhere.call(this, destination);
  } else {
    return this.name + " is flying to " + destination + "!";
  }
};