Web/scripts/cookieinfo.js

if (localStorage.getItem("notification") !== "true") {
    $("#cookieinfo").html( /*html*/ `
        <div class="alert alert-danger alert-dismissible fade show" role="alert">
            This site uses your browser's local storage to store information about your browsing activity.
            <br>For more information, check out the <a href="/privacy">privacy policy</a>.
            <br>Have a nice day!
            <button type="button" class="close" data-dismiss="alert" id="cookie-notif-close">
                <span>&times;</span>
            </button>
        </div>
    `);
    $("#cookie-notif-close").on("click", function () {
        localStorage.setItem("notification", "true");
    });
}