The full form of NPM is Node Package Manager.

It is a package manager for JavaScript, primarily used for managing libraries and dependencies in Node.js projects. NPM allows developers to easily install, update, and manage packages of reusable code

package managers are an important concept in programming languages/runtimes. For eg the package manager of rust is cargo

Uses of npm

Initializing a project

npm init

Running scripts

npm run test

Installing external dependencies

npm install chalk

Write some code

const chalk = require('chalk');

console.log(chalk.blue('Hello, world!'));
console.log(chalk.red.bold('This is an error message.'));
console.log(chalk.green.underline('This is a success message.'));