sevperez

var products = { 
  "widget": 400,
  "gear": 80,
  "crank": 375,
  "lever": 870,
};

var otherProducts = Object.create(products);
otherProducts["wheel"] = 210;

sevperez

var products = { 
  "widget": 400,
  "gear": 80,
  "crank": 375,
  "lever": 870,
};

var otherProducts = Object.create(products);
otherProducts["wheel"] = 210;

sevperez

// prototypes0.js

var obj = {};

console.log(obj.toString());
  // Logs: [object Object]

sevperez

// prototypes1.js

var obj = {};

console.log(Object.getPrototypeOf(obj));

/* Logs:

{ 
  constructor: ƒ Object(),

sevperez

// prototypes1a.js

var obj = {};

obj.toString = function() {
  console.log("I'm an object!");
};

obj.toString();
  // Logs: "I'm an object!"

sevperez

// prototypes2.js

var House = {
  ringDoorbell: function() {
    console.log("ding dong!");
  },
  
  describe: function() {
    console.log(this.owner + "'s house has " + this.rooms + " rooms.");
  }

sevperez

// prototypes3.js

var House = {
  ringDoorbell: function() {
    console.log("ding dong!");
  },
  
  describe: function() {
    console.log(this.owner + "'s house has " + this.rooms + " rooms.");
  }

sevperez

// prototypes4.js

var House = {
  ringDoorbell: function() {
    console.log("ding dong!");
  },
  
  describe: function() {
    console.log(this.owner + "'s house has " + this.rooms + " rooms.");
  }

sevperez

// prototypes5.js

function crawlPrototypeChain(obj) {
  console.log("-----------------");
  console.log("Object: ", obj);
  console.log("Own Properties: ", Object.getOwnPropertyNames(obj));
  
  var objPrototype = Object.getPrototypeOf(obj);
  if (objPrototype) {
    crawlPrototypeChain(objPrototype);

sevperez

function Robot(name, job) {
  this.name = name;
  this.job = job;

  this.introduce = function() {
    console.log("Hi! I'm " + this.name + ". My job is " + this.job + ".");
  };
}

function AI(name, job, intelligenceLevel) {