Moment diff - Javascript

Moment diff is a Javascript method that is used to calculate the difference between two dates or times. This is a widely used method in web development, especially in cases where time-based calculations are required.

Syntax

The syntax of moment diff is as follows:

moment().diff(moment([otherMoment]), [unitOfTime], [usePrecision])

Here, moment() is the current moment, and [otherMoment] is the moment to compare it with. [unitOfTime] specifies the unit of time to use for the calculation, and [usePrecision] is a boolean value that specifies whether to use the exact value or a rounded value.

Example Usage

const moment = require('moment');

let a = moment([2010, 1, 14, 15, 25, 50, 125]);
let b = moment([2010, 1, 14, 15, 25, 50, 0]);

a.diff(b); // Returns 125

a.diff(b, 'milliseconds'); // Returns 125

a.diff(b, 'seconds'); // Returns 0

a.diff(b, 'minutes'); // Returns 0

a.diff(b, 'hours'); // Returns 0

a.diff(b, 'days'); // Returns 0

a.diff(b, 'months'); // Returns 0

a.diff(b, 'years'); // Returns 0

In the above example, we have used moment diff to calculate the difference between two moments a and b. We have also specified the unit of time to be used for the calculation. The output returned by the method is the difference between the moments in the specified unit of time.

Conclusion

Moment diff is an essential method in Javascript for time-based calculations. It can be used to calculate the difference between two dates or times, and it supports a wide range of units of time for the calculation.