swiper custom fraction

gistfile1.txt

var swiperOptions = {
        slidesPerView: 1,
        centeredSlides: true,
        spaceBetween: 40,
        effect: 'fade',
        pagination: {
          el: '.swiper-pagination',
          type: 'fraction',
          formatFractionTotal: function formatFractionTotal(number) {
            var formated = ('0' + number).slice(-2);
            return formated;
          },
          formatFractionCurrent: function formatFractionCurrent(number) {
            var formated = ('0' + number).slice(-2);
            return formated;
          },
          renderFraction: function (currentClass, totalClass) {
            return '<span class="' + currentClass + '"></span>'
              + '<span class="swiper-pagination-separator">/</span>'
              + '<span class="' + totalClass + '"></span>';
          }
        },
        navigation: {
          nextEl: '.swiper-button-next',
          prevEl: '.swiper-button-prev'
        }
      };