https://dekanttekening.nl/wp-content/icons/appreq.js?ver=7.1.2

1document.addEventListener("readystatechange", event => {
2    if (event.target.readyState === "complete") {
3        value_or_null = (document.cookie.match(/^(?:.*;)?\s*appreq\s*=\s*([^;]+)(?:.*)?$/)||[,null])[1];
4        if (screen.width < 768) {
5            if (value_or_null == "yes") {
6                document.getElementById("appreq").style.visibility = "hidden";
7            } else {
8                document.getElementById("appreq").style.display = "block";
9                document.getElementById("appreq").style.visibility = "visible";
10            }
11        }
12    }
13})
14
15function closeAndSet() {
16    var date = new Date();
17    date.setTime(date.getTime()+(30*24*60*60*1000));
18    var expires = "; expires="+date.toGMTString();
19    document.cookie = "appreq=yes" + expires;
20    document.getElementById("appreq").style.visibility = "hidden";
21};