Autoscroll website script

autoscroll.js

setTimeout(() => {
    (function () {
        var jq = document.createElement('script');
        jq.src = 'https://code.jquery.com/jquery-3.6.0.min.js';
        jq.onload = function () {
            var easing = document.createElement('script');
            easing.src = 'https://cdnjs.cloudflare.com/ajax/libs/jquery-easing/1.4.1/jquery.easing.min.js';

            easing.onload = function () {
                $(function () {
                    $('html, body').animate({
                        scrollTop: $(document).height() - $(window).height()
                    }, 20000, "linear"); // "linear or swing"
                });
            };
            document.head.appendChild(easing);
        };
        document.head.appendChild(jq);
    })();
}, 10000); // delay time