Function on

src/js/constructors/EventInterface/EventInterface.ts:52–56

* Listens to an internal event or events. * * @param events - An event name or names separated by spaces. Use a dot(.) to add a namespace. * @param callback - A callback function to register.

( events: string | string[], callback: AnyFunction )

   * @param callback - A callback function to register.
   */
  function on( events: string | string[], callback: AnyFunction ): void {
    binder.bind( bus, toArray( events ).join( ' ' ), e => {
      callback.apply( callback, isArray( e.detail ) ? e.detail : [] );
    } );
  }

  /**
   * Triggers callback functions.