A moment.js plugin to display human readable date/time ranges with precision.
npm install moment-precise-range --save
// Will be the moment return by the moment module, with preciseDiff appended
var moment = require('moment-precise-range');
var result = moment.preciseDiff(moment('2013-10-21 10:15:40', 'YYYY-MM-DD HH:mm:ss'),
moment('2014-02-02 01:01:01', 'YYYY-MM-DD HH:mm:ss'));
console.log(result); // 3 months 11 days 14 hours 45 minutes a few seconds