https://pctipdaily.com/static/js/home-reviews-carousel.js

1(function () {
2  function initHomeReviewsCarousel() {
3    var carousel = document.getElementById("carousel");
4    if (!carousel) return;
5
6    var inner = carousel.querySelector(".jw-carousel-inner");
7    if (!inner) return;
8
9    var items = Array.prototype.filter.call(inner.children, function (item) {
10      return item.classList.contains("jw-carousel-item");
11    });
12
13    if (items.length <= 1) return;
14
15    carousel.classList.add("home-reviews-carousel");
16
17    Array.prototype.forEach.call(carousel.querySelectorAll(".jw-carousel-indicators"), function (oldDots) {
18      oldDots.parentNode.removeChild(oldDots);
19    });
20
21    var dots = document.createElement("ol");
22    dots.className = "jw-carousel-indicators";
23
24    var current = 0;
25
26    items.forEach(function (item, index) {
27      item.classList.remove("left", "right");
28      if (item.classList.contains("active")) current = index;
29
30      var dot = document.createElement("li");
31      dot.setAttribute("data-slide-to", index + 1);
32      dot.addEventListener("click", function () {
33        show(index);
34        restart();
35      });
36      dots.appendChild(dot);
37    });
38
39    carousel.appendChild(dots);
40
41    function show(index) {
42      current = index;
43      carousel.style.setProperty("--review-index", index);
44
45      items.forEach(function (item, itemIndex) {
46        item.classList.toggle("active", itemIndex === index);
47        item.classList.remove("left", "right");
48      });
49
50      Array.prototype.forEach.call(dots.children, function (dot, dotIndex) {
51        dot.classList.toggle("active", dotIndex === index);
52      });
53    }
54
55    var timer = null;
56
57    function start() {
58      timer = window.setInterval(function () {
59        show((current + 1) % items.length);
60      }, 5000);
61    }
62
63    function restart() {
64      window.clearInterval(timer);
65      start();
66    }
67
68    carousel.addEventListener("mouseenter", function () {
69      window.clearInterval(timer);
70    });
71
72    carousel.addEventListener("mouseleave", start);
73
74    show(current);
75    start();
76  }
77
78  if (document.readyState === "loading") {
79    document.addEventListener("DOMContentLoaded", initHomeReviewsCarousel);
80  } else {
81    initHomeReviewsCarousel();
82  }
83})();