json_example.js

var potatoReview =
{
  "potatoes": 5,
  "reviewer": "armandofox",
  "movie": {
    "title": "Casablanca",
    "description": "Casablanca is a classic and iconic film starring ...",
    "rating": "PG",
    "release_date":  "1942-11-26T07:00:00Z"
  }
};
potatoReview['potatoes']  // => 5
potatoReview['movie'].title    // => "Casablanca"
potatoReview.movie.title     // => "Casablanca"
potatoReview['movie']['title'] // => "Casablanca"
potatoReview['blah']         // => undefined