download node mudles npm command code example
Example 1: how to install any package in node.js
#how to install any specific package in nodejs Application
# Syntex
npm install packagename
# example:
npm install express
npm i express
#if you install globally then type
npm install express -g
Example 2: install an npm package
npm install package-name
To save as a dependency:
npm install package-name --save