functiontest.html


<!doctype html>
<html class="no-js" lang="de">
<body>
	<script type="text/javascript" src="https://code.jquery.com/jquery-3.2.1.min.js"></script>
	<script type="text/javascript">
	
	$deposit = 12;
	function price($diff) {

		$fullDays = Math.floor($diff / 86400);
		$leftMinutes = Math.floor($diff / 60) - ($fullDays * 1440);

		// TAGESPREIS: 3,00 € pro vollem Tag
		$daysPrice = $fullDays*3;

		// STUNDENPREIS: 0,39 € pro Stunde + ggf. 0,90 € Grundgebühr
		$minutesPrice = $leftMinutes * (.39 / 60);
		if($fullDays == 0) $minutesPrice += .9;
		if($minutesPrice > 3) $minutesPrice = 3;

		// GESAMTPREIS
		$price = $daysPrice + $minutesPrice;
		
		// KAUTION prüfen
		if ($price > $deposit) $price = $deposit;

		return $price.toFixed(2);
	}

	for ($mins = 0; $mins <= 60*24*5; $mins += 5) {
	  	document.write($mins+" Minuten: "+price($mins*60)+"<br>");
	}
	</script>
</body>
</html>