code: function(options) {
          var data = assign({ data: this._data, value: this._value }, options);
          this.triggerEvent('change', data);
          this.triggerEvent('selectivity-change', data);
      }
docs: Triggers the change event.
  
  The event object at least contains the following properties:
  data - The new data of the Selectivity instance.
  value - The new value of the Selectivity instance.
  
  @param Optional additional options added to the event object.
  
  @see getData()
  @see getValue()