old_contents: 
  function slickHeight() {
    var winWidth = $(window).width();
      if (winWidth > 767) {
          var sliderHeight = $('.slick-slider').height();
          console.log(sliderHeight);
          $('#slick-pager .slick-pager').css('height', sliderHeight - 60);
      }
  }
  $( window ).resize(function() {
      slickHeight();
  });
  jQuery(document).ready(function($) {
      $('.featuredPostSlider').slick({
          slidesToShow: 1,
          slidesToScroll: 1,
          arrows: false,
          fade: true,
          autoplay: true,
          adaptiveHeight: true,
          asNavFor: '.bx-pager'
      });
      $('.slick-pager').slick({
          slidesToShow: 4,
          slidesToScroll: 1,
          nextArrow: $('.pagerNavigation .bottom'),
          prevArrow: $('.pagerNavigation .top'),
          asNavFor: '.featuredPostSlider',
          focusOnSelect: true,
          vertical: true,
          responsive: [{
              breakpoint: 767,
              settings: {
                  vertical: false
              }
          }]
      });
      slickHeight();
  });
  
  
new_contents: 
  function slickHeight() {
    var winWidth = $(window).width();
      if (winWidth > 767) {
          var sliderHeight = $('.slick-slider').height();
          console.log(sliderHeight);
          $('#slick-pager .slick-pager').css('height', sliderHeight - 60);
      }
  }
  $( window ).resize(function() {
      slickHeight();
  });
  jQuery(document).ready(function($) {
      $('.featuredPostSlider').slick({
          slidesToShow: 1,
          slidesToScroll: 1,
          arrows: false,
          fade: true,
          autoplay: true,
          adaptiveHeight: true,
          asNavFor: '.slick-pager'
      });
      $('.slick-pager').slick({
          slidesToShow: 4,
          slidesToScroll: 1,
          nextArrow: $('.pagerNavigation .bottom'),
          prevArrow: $('.pagerNavigation .top'),
          asNavFor: '.featuredPostSlider',
          focusOnSelect: true,
          vertical: true,
          responsive: [{
              breakpoint: 767,
              settings: {
                  vertical: false
              }
          }]
      });
      slickHeight();
  });
  
  
subject: change in custom.js