Как изменить карусель?

var count_items = $('.owl-carousel .item').length;

$('.owl-carousel').owlCarousel({
…
responsive: {
    0: {
      items: 1
    },
    600: {
      items:  count_items >= 3 ? 3 : count_items
    },
    1000: {
      items: count_items >= 5 ? 5 : count_items
    }
  }
})