var popup = document.getElementById('consentPopup'); var alreadyLoaded = window.localStorage.getItem('fbGrantConsent') === 'true'; //Show the consent banner if consent is not granted, hide it if consent is already granted. if (alreadyLoaded) { popup.style.display = 'none'; fbq('consent', 'grant'); } else { popup.style.display = 'block'; } //Grant consent and store it in localStorage of the browser var consentBtn = document.getElementById('consentBtn'); consentBtn.addEventListener("click", function() { fbq('consent', 'grant'); window.localStorage.setItem('fbGrantConsent', 'true'); });