https://www.ecowas.int/wp-content/themes/ecowas/assets/js/fab.js?ver=1783693048

1/**
2 * Boutons flottants (.fabw) — version globale (toutes les pages).
3 * Toggle (+) déploie/replie les réseaux + bouton back-to-top (apparaît >480px).
4 * Autonome (vanilla), aucune dépendance. Chargé via wp_enqueue_scripts.
5 */
6(function () {
7    function init() {
8        var w = document.getElementById('fabw'),
9            tg = document.getElementById('fabToggle'),
10            bt = document.getElementById('fabBackTop');
11        if (!w) return;
12        if (tg) {
13            tg.addEventListener('click', function (e) {
14                e.stopPropagation();
15                var op = w.classList.toggle('open');
16                tg.setAttribute('aria-expanded', op);
17            });
18        }
19        if (bt) {
20            bt.addEventListener('click', function () {
21                window.scrollTo({ top: 0, behavior: 'smooth' });
22            });
23        }
24        function onScroll() {
25            if (window.scrollY > 480) { w.classList.add('show-top'); }
26            else { w.classList.remove('show-top'); }
27        }
28        window.addEventListener('scroll', onScroll, { passive: true });
29        onScroll();
30    }
31    if (document.readyState === 'loading') {
32        document.addEventListener('DOMContentLoaded', init);
33    } else {
34        init();
35    }
36})();