We would like to know how to calculate number of days that occur between two Dates.
<!DOCTYPE html>
<html>
<body>
<script type='text/javascript'>
var d1 = new Date('June 26th 2012 11:05 PM'.replace('th',''));
var d2 = new Date('June 27th 2012 12:15 AM'.replace('th',''));
d1.setHours(0,0,0,0);<!-- w ww .ja va 2 s. c o m-->
d2.setHours(0,0,0,0);
var diff = Math.ceil((d2 - d1) / 86400000) + 1;
document.writeln(diff);
</script>
</body>
</html>
The code above is rendered as follows: