View difference between Paste ID: ffdmBZGH and qs84G46R

 (function() {
   var a = Date.now() + 3000;
   var b = setInterval(function () {
     if (Date.now() > a) {
       clearInterval(b);
-      location.reload();
+      document.location.reload();
     }
   }, 1000);
 })();