
 
  
  $('.slider-nav')
  .slick({
    slidesToShow: 5,
    slidesToScroll: 1,
    dots: true,
    centerMode: true,
    focusOnSelect: true,
    variableWidth: true,
  })
  .on('click', '.slick-slide', function() {
    $('.slider-for').slick('slickGoTo', this.dataset.index);
  })
  .find('.item-nav')
  .attr('data-index', i => i);