Method deleter

script.js:1051–1056

()

      passive: false
    });
    let deleter = function() {
      elem.removeEventListener('gesturestart', gesturestart);
      elem.removeEventListener('gesturechange', gesturechange);
      elem.removeEventListener('gestureend', gestureend);
      elem.removeEventListener('wheel', wheel);
    }
  }

  setupDragHandler() {