1setInterval(
2    function(){
3        var arr = document.getElementsByClassName("_0mzm- sqdOP  L3NKy   _8A5w5    ");
4
5        for (var i = 1, len = arr.length; i < len; i++) {
6            arr[i].click();
7            document.getElementsByClassName("aOOlW -Cab_   ")[0].click();
8        }
9
10        var scroll_stuff = document.getElementsByClassName("isgrP")[0];
11        scroll_stuff.scrollTop = scroll_stuff.scrollHeight; 
12    }
13, 600000); //every 10 minutes