inheritance_in_javascript.js

// I will use this, best solution so far.. this is updated as of aug-28-2018
// https://www.npmjs.com/package/extends-js

function $extends(child, parent) {
  child.prototype = Object.create(parent.prototype);
  child.prototype.constructor = child;
};

function Animal(name, color) {
  this.name = name;
  this.color = color;
  this.sound = '';
}

Animal.prototype.makeSound = function () {
  return this.sound;
};

$extends(Dog, Animal);
function Dog(name, color) {
  Animal.apply(this, arguments);
  this.sound = 'aw aw!';
}

I will use this, best solution so far..
https://www.npmjs.com/package/extends-js