Moment.js Customize Changing Time Source

In this article, we will learn how to customize the moment.js time source as per one’s requirements.

Customizing/Changing the time source of moment.js: To customize or change the time that moment.js gives, use can assign moment.now() to a custom function that returns the number of milliseconds since the Unix epoch, i.e, January 1, 1970.

Syntax:

moment.now = function () {
    // Custom function that returns
    // the number of milliseconds 
    // since Unix epoch
}

Return Type: The return data type of your custom function should be a number.

Example 1:

Javascript

const moment = require('moment');

moment.now = function () {
    return +new Date(2018, 11, 24); // 24 November, 2018
}

console.log(moment.now())

Output:

Example 2:

Javascript

const moment = require('moment');

moment.now = function () {
    return +new Date(2020, 11, 24); // 24 November, 2020
}

console.log(moment.now())

Output:

Reference: https://momentjs.com/docs/#/customization/now/