how to install npm packages code example

Example 1: install npm globally

npm install npm@latest -g

Example 2: npm install package globally

#Syntex
npm install packagename -g

#example
npm install express -g

Example 3: 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 4: install npm package globally

npm install package-name -g

Example 5: install an npm package

npm install package-name

To save as a dependency:
npm install package-name --save

Example 6: how to install npm packages

npm i <package>

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Misc Example