OOP prototypal pattern example

prototypal.js

var human = {
  species: "human",
  sayName: function() {
    console.log("My name is " + this.name);
  },
  isAlive: true,
/**
 * create an object with set of properties. Getting object within needing 
 * properties and values and in will be the instanse of current object
 */
  create: function(myObject) { // must be an object
    var instance = Object.create(this);
    var keys = Object.keys(myObject);
    keys.forEach(function(key) {
      instance[key] = myObject[key];
    });
    return instance;
  }
}

var vampire = Object.create(human);
vampire.name = "Victor";
vampire.isAlive = false;

var gerge = human.create("George");



var hanSolo = human.create({
  name: "Solo",
  planet: "Dagobag",
  sayName: function(){
    console.log("My nama is " +"this.name");
  },
  friends: ["Chupaka", "luk"]
  
});