How to find the number of days between two dates?

Question

JavaScript

There are two dates, how to find out the number of days between them? You can use momentJS. Thank you.

Answer 1

var dateB = moment('2014-11-11');
var dateC = moment('2014-10-11');

console.log('Разница в ', dateB.diff(dateC), 'миллисекунд');
console.log('Разница в ', dateB.diff(dateC, 'days'), 'дней');
console.log('Разница в ', dateB.diff(dateC, 'months'), 'месяцев');

Answer 2

What is diff? o_O