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

1/* =========================================================
2   XAP TEAM
3========================================================= */
4
5(function () {
6    var section = document.querySelector('.xap-team');
7    if (!section) return;
8
9    var cards = section.querySelectorAll('.xap-team__card');
10    if (!cards.length) return;
11
12    var revealCards = function () {
13        cards.forEach(function (card, index) {
14            setTimeout(function () {
15                card.classList.add('is-visible');
16            }, index * 140);
17        });
18    };
19
20    if ('IntersectionObserver' in window) {
21        var observer = new IntersectionObserver(function (entries) {
22            entries.forEach(function (entry) {
23                if (entry.isIntersecting) {
24                    revealCards();
25                    observer.unobserve(entry.target);
26                }
27            });
28        }, {
29            threshold: 0.18
30        });
31
32        observer.observe(section);
33    } else {
34        revealCards();
35    }
36})();