iteration8.js

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

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

for (var product in otherProducts) {
  if (otherProducts.hasOwnProperty(product)) {
    console.log(product + " : " + otherProducts[product]);
  }
}
  // logs "wheel: 210"