Moment.js moment().diff() Function
The moment().diff() function is used to get the difference in milliseconds of given dates which are passed as parameter to this function.
Syntax:
moment().diff(Moment|String|Number|Date|Array, String, Boolean);
Parameters: This function has two parameters, first one is the date of type Moment|String|Number|Date|Array and second parameter is an optional parameter of boolean type which is used to get floating numbers as result instead of integer.
Return Value: This function returns the date in milliseconds.
Installation of moment module:
- You can visit the link to Install moment module. You can install this package by using this command.
npm install moment
- After installing the moment module, you can check your moment version in command prompt using the command.
npm version moment
- After that, you can just create a folder and add a file for example, index.js as shown below.
Example 1: Filename: index.js
// Requiring the moduleconst moment = require('moment'); var dateOne = moment([2019, 03, 17]);var dateTwo = moment([2001, 10, 28]); // Function callvar result = dateOne.diff(dateTwo, 'days') console.log("No of Days:", result) |
Steps to run the program:
- The project structure will look like this:
- Run index.js file using below command:
node index.js
Output:
No of Days: 6349
Example 2: Filename: index.js
// Requiring the moduleconst moment = require('moment'); function getYearDiff(dateOne, dateTwo) { return dateOne.diff(dateTwo, 'years', true);} // Function callvar result = getYearDiff(moment([2019, 11, 30]), moment([2001, 2, 17])); console.log("No of years difference:", result) |
Steps to run the program:
- The project structure will look like this:
- Run index.js file using below command:
node index.js
Output:
No of years difference: 18.78611111111111
Reference: https://momentjs.com/docs/#/displaying/difference/
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