Hello,
First you need to split Date and convert into mm/dd/yyyy hh:mm format
After then calculate two date difference (in days, hours, minute, sec)
Your Javascript function as become following way
function GetDateDifference() {
var startDate = "20/10/2012 10:20".split(/\//);
var endDate = "22/10/2012 20:15".split(/\//);
var sdt = new Date([startDate[1], startDate[0], startDate[2]].join('/'));
var edt = new Date([endDate[1], endDate[0], endDate[2]].join('/'));
var difference = edt.getTime() - sdt.getTime();
var daysDifference = Math.floor(difference / 1000 / 60 / 60 / 24);
difference -= daysDifference * 1000 * 60 * 60 * 24
var hoursDifference = Math.floor(difference / 1000 / 60 / 60);
difference -= hoursDifference * 1000 * 60 * 60
var minutesDifference = Math.floor(difference / 1000 / 60);
difference -= minutesDifference * 1000 * 60
var secondsDifference = Math.floor(difference / 1000);
var Remain = 'difference = ' + daysDifference + ' day/s ' + hoursDifference + ' hour/s ' + minutesDifference + ' minute/s ' + secondsDifference + ' second/s ';
alert(Remain);
}
Hope this helpful!
Thanks