https://www.pvpglobal.com/wp-content/themes/pvp/assets/js/brand.js?ver=1.1

1var acc = document.querySelectorAll(".acc-item");
2
3        $(".acc-container .acc-item:first-child").addClass("active");
4        $(".acc-container .acc-item:nth-child(1) .panel").slideDown();
5
6        acc.forEach((el) =>
7            el.addEventListener("click", () => {
8                if (el.classList.contains("active")) {
9                    $(el).find(".panel").slideUp();
10                    $(el).removeClass("active");
11                } else {
12                    $(".panel").slideUp();
13                    $(".acc-item").removeClass("active");
14                    $(el).find(".panel").slideDown();
15                    $(el).addClass("active");
16                }
17            })
18        );