Moment.js isMoment() Function
It is used to check whether a variable is a particular moment or not in Moment.js using the isMoment() function that checks if a variable is a moment object, use moment.isMoment().
Syntax:
moment.isMoment(obj);
Parameter: Object Returns: True or False
Installation of moment module:
You can visit the link to the 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 the command prompt using the command.
npm version moment
After that, you can just create a folder and add a file, for example, index.js. To run this file you need to run the following command.
node index.js
Project Structure:
Example 1: Filename: index.js
javascript
// Requiring module const moment = require( 'moment' ); let bool2 = moment.isMoment( new Date()); // false console.log(bool2); let bool3 = moment.isMoment(moment()); // true console.log(bool3); |
Steps to run the program:
Make sure you have installed the moment module using the following command:
npm install moment
Run the index.js file using the below command:
node index.js
Output:
false true
Example 2: Filename: index.js
javascript
// Requiring module const moment = require( 'moment' ); function checkMoment(data){ return moment.isMoment(data); } let bool = checkMoment(moment()); console.log(bool); |
Steps to run the application:
Run the index.js file using the below command:
node index.js
Output:
true
Reference: https://momentjs.com/docs/#/query/is-a-moment/