https://logicrays.com/comm/comm-intro/comm-intro.js

1/* =========================================================
2   XAP INTRO ADS – Smooth Reveal Animation
3========================================================= */
4
5(function(){
6
7  var section = document.querySelector(".xap-intro-ads");
8  if(!section) return;
9
10  var cards = section.querySelectorAll(".xap-intro-card");
11
12  function reveal() {
13    section.classList.add("xap-intro-visible");
14
15    cards.forEach(function(card, index){
16      setTimeout(function(){
17        card.classList.add("xap-intro-card-visible");
18      }, index * 120);
19    });
20  }
21
22  var observer = new IntersectionObserver(function(entries){
23    entries.forEach(function(entry){
24      if(entry.isIntersecting){
25        reveal();
26        observer.unobserve(section);
27      }
28    });
29  }, {
30    threshold: 0.25
31  });
32
33  observer.observe(section);
34
35})();