Javascript Data Type How to - Validate dates in format MM-DD-YYYY








Question

We would like to know how to validate dates in format MM-DD-YYYY.

Answer


<!DOCTYPE html>
<html>
<head>
<script type='text/javascript'
  src="http://cdnjs.cloudflare.com/ajax/libs/moment.js/2.4.0/moment.js"></script>
<script type='text/javascript'>
<!--from w w w . j a va 2s  .  c  o m-->
    var formats = ['MM-DD-YYYY', 'MM/DD/YYYY']
    document.writeln(moment('11/28/1981', formats).isValid())  // true
    document.writeln('<br/>');
    document.writeln(moment('2-29-2003', formats).isValid())   // false (not leap year)
    document.writeln('<br/>');
    document.writeln(moment('2-29-2004', formats).isValid())   // true

</script>
</head>
<body>
</body>
</html>

The code above is rendered as follows: