let swiper;

function initSwiper() {

  if (swiper) {
    swiper.destroy(true, true);
  }

  swiper = new Swiper(".mySwiper", {
    autoHeight: true,
    loopAdditionalSlides: 3,

    slidesPerView: window.innerWidth > 768 ? 4 : 2,
    spaceBetween: window.innerWidth > 768 ? 70 : 20,

    scrollbar: {
      el: '.swiper-scrollbar',
      draggable: true,
    },
  });
}

initSwiper();

window.addEventListener('resize', function () {
  initSwiper();
});