Web/scripts/cookieinfo.js

if (getCookie("notification") !== "true") {
    let notif = "";
    notif += '<div class="alert alert-danger alert-dismissible fade show" role="alert">';
    notif += "This site uses cookies to store information about your browsing activity.";
    notif += "<br>For more information, check out the <a href=\"/#privacy\">privacy policy</a>.";
    notif += "<br>Have a nice day!";
    notif += '<button type="button" class="close" data-dismiss="alert" id="notif-close">';
    notif += '<span>&times;</span>';
    notif += '</button></div>';
    document.write(notif);

    $("#notif-close").on("click", function () {
        setCookie("notification", "true", 365);
    });
}