<!DOCTYPE html>
<html>
<head>
<title>Page Title</title>
</head>
<body>
<p id="seconds-counter"></p>
</body>
</html>
<script>
var seconds = 0;
var el = document.getElementById('seconds-counter');
function incrementSeconds() {
seconds += 1;
if(seconds == 10){
myStop();
}
el.innerText = "You have been here for " + seconds + " seconds.";
}
var cancel = setInterval(incrementSeconds, 1000);
function myStop() {
clearInterval(cancel);
}
</script>