code: function () {
          var keys = Object.keys(this),
              i = -1,
              len = keys.length,
              values = [];
  
          while (++i < len) {
              values.push(this[keys[i]]);
          }
  
          return values;
      }
docs: Loops through the object collection the values of all its properties.
  It is the counterpart of the [`keys`](#method_keys).
  
  @method itsa_values
  @return {Array} values of the object