Node.js Date.addDays() API

The date-and-time.Date.addDays() is a minimalist collection of functions for manipulating JS date and time module which is used to add the extra Days to the existing date and time.

Required Module: Install the module by npm or used it locally.

• By using npm.

npm install date-and-time --save

• By using CDN link.

<script src="/path/to/date-and-time.min.js"></script>

Syntax:

addDays(dateObj, days)

Parameters: This method takes the following arguments as parameters:

• dateobject: It is the string object of the date.
• days: It is the number of days.

Return Value: This method returns updated date and time.

Example 1:

index.js

// Node.js program to demonstrate the
// Date.addDays() method

// Importing module
const date = require('date-and-time')

// Creating object of current date and time
// by using Date()
const now = new Date();

// Adding Days to the existing date and time
// by using date.addDays() method
const value = date.addDays(now, 24);

// Display the result
console.log("updated date and time : " + value)

Run the index.js file using the following command:

node index.js

Output:

updated date and time :
Wed Mar 31 2021 20:07:07 GMT+0530 (India Standard Time)

Example 2:

index.js

// Node.js program to demonstrate the
// Date.addDays() method

// Importing module
const date = require('date-and-time')

// Creating object of current date and time
// by using Date()
const now = new Date();

now.setDate(20)

// Adding Days to the existing date and time
// by using date.addDays() method
const value = date.addDays(now, 24);

// Display the result
console.log("updated date and time : " + value)

Run the index.js file using the following command:

node index.js

Output:

updated date and time : 
Tue Apr 13 2021 20:09:57 GMT+0530 (India Standard Time)

Reference: https://github.com/knowledgecode/date-and-time#adddaysdateobj-days