text: /**
   * @author NHN. FE Development Team <dl_javascript@nhn.com>
   * @fileoverview Example for using event
   */
  
  /**
   * Occurs when active state is changed.
   * @event Album#active
   * @type {object} ev - Event data
   * @property {string} title - Title of album
   * @property {boolean} active - Active state of album
   * @example
   * const instance = new Album({
   *   // ...
   *   title: 'foo'
   * });
   *
   * instance.setActive(false);
   *
   * instance.on('active', (ev) => {
   *   const { title, active } = ev;
   *
   *   console.log(title); // "foo"
   *   console.log(active); // false
   * });
   */
  