Untitled

<!DOCTYPE html>
	<html>
		<head>
		<meta charset="UTF-8"/>
		<link rel="stylesheet" href="style.css">
		<script>

		var n = 0;
		var minuty = document.getElementById("minut");

		function prost() {
		var textB = document.getElementById("kwadrat");
		textB.innerHTML = n;
		if (n < 100) (setInterval(function(){n = n + 1;}, 1000));
		setInterval(function(){textB.innerHTML = n;}, 1000);
		}
		</script>
		</head>
	<body onload="prost()" id="body">
	<div id="kwadrat">
	</div>
	<div id="minut">
	</div>
	</body>
	</html>