code: function get(object, path) {
      if (memoGet[path]) {
          return new Error("circular reference for " + path);
      }
      var parts = path.split(".");
      var obj = object;
  
      while (typeof obj === "object" && obj && parts.length) {
          var part = parts.shift();
          if (!(part in obj)) {
              return new Error("invalid path");
          }
          obj = obj[part];
      }
      memoGet[path] = true;
      // The replace can cause a circular reference
      var value = replace(obj, object);
      delete memoGet[path];
      return value;
  }
docs: Get the value of a json object at a given path
  @param {Object} object Container object
  @param {String} path Path, delimited by dots
  @return {Object} value