без async/await
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>document</title>
</head>
<body>
<input type="checkbox" class="icon_a">
<input type="checkbox" class="icon_a">
<input type="checkbox" class="icon_a">
<input type="checkbox" class="icon_a">
<input type="checkbox" class="icon_a">
<input type="checkbox" class="icon_a">
<input type="checkbox" class="icon_a">
<input type="checkbox" class="icon_a">
<input type="checkbox" class="icon_a">
<input type="checkbox" class="icon_a">
<script>
var elems = document.querySelectorAll(".icon_a"), i = 0;
(function loop() {
setTimeout(function() {
elems[i].click();
if(i == elems.length -1) location.reload();
i++;
loop();
}, 333);
})();
</script>
</body>
</html>