install required node modules 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 node modules
npm install --save packageName
npm install --save package1 package2
npm install --save package@version
npm i -s packageName
npm install --save-dev package@version
npm i -D packageName
npm install --global packageName
npm i -g packageName