moment js subtract dates code example
Example 1: moment subtract days
var startdate = moment();
startdate = startdate.subtract(1, "days");
startdate = startdate.format("DD-MM-YYYY");
Example 2: how 2 subtract 2 dates using moment.js
var date1 = moment('2016-10-08 10:29:23');
var date2 = moment('2016-10-08 11:06:55');
var diff = date2.diff(date1);