We would like to know how to calculate difference between two dates with timestamps.
<!DOCTYPE html>
<html>
<head>
<script type='text/javascript'>
<!-- www . j av a 2 s. c o m-->
var date1 = "2014-06-01 14:00:00";
var date2 = "2014-06-02 14:00:00";
var date3 = "2014-06-03 14:00:00";
date1 = new Date(date1.replace(' ', 'T'));
date2 = new Date(date2.replace(' ', 'T'));
var diff = Math.abs(date2.getTime() - date1.getTime());
document.writeln(diff);
document.writeln('<br/>');
date3 = new Date(date3.replace(' ', 'T'));
date3.setTime(date3.getTime() + diff);
document.writeln(date3);
</script>
</head>
<body>
</body>
</html>
The code above is rendered as follows: