How do I convert a jQuery Date value to a long value?

Question

I have a jQuery Date function which shows output like July 09 2012 . Now I want to change this string value to a long value like 1335363564815 , eg milliseconds. How can I do this?

This is my code for my calender:

<script type="text/javascript">
         $('#date2').jdPicker({date_format:"FF dd YYYY"}); 
</script>

I use this plugin: jquery.jdpicker.js

Answer 1

You can do

var milliseconds  = Date.parse($('#date2').val());

As docs says

Parses a string representation of a JavaScript date, and returns the number of milliseconds

Demo Here