https://atesmaps.org/js/cookies.js

1function setCookie(cname, cvalue, exdays) {
2    var d = new Date();
3    d.setTime(d.getTime() + (exdays * 24 * 60 * 60 * 1000));
4    var expires = "expires="+d.toUTCString();
5    document.cookie = cname + "=" + cvalue + ";" + expires + ";path=/";
6    console.log("Cookie has been set: "+document.cookie);
7    document.getElementById('cookie-consent').style.visibility = 'hidden';
8  }
9  
10  function getCookie(cname) {
11    var name = cname + "=";
12    var ca = document.cookie.split(';');
13    for(var i = 0; i < ca.length; i++) {
14      var c = ca[i];
15      while (c.charAt(0) == ' ') {
16        c = c.substring(1);
17      }
18      if (c.indexOf(name) == 0) {
19        return c.substring(name.length, c.length);
20      }
21    }
22    return "";
23  }
24  
25  function checkCookie(cname) {
26    var cookie_value = getCookie(cname);
27    if (cookie_value != "") {
28        console.log("Cookies were accepted");
29    }else{
30      document.getElementById('cookie-consent').style.visibility = 'visible';
31      //show disclaimer....
32    }
33  }