npm-notes.txt

**** To initialize npm ****

npm init


**** To install packages using npm ****

npm install package-name
npm i package-name
example : npm install express
example : npm i express

***** To check the version of any package ****

npm view package-name version
npm view express version

**** To uninstall packages using npm ****

npm uninstall package-name
example : npm uninstall express


**** to install dependencies ****

npm install  **its also used when we accidentally delete our node_modules folder to install it again 
npm i

**** To install specific version of any package ****

npm install package-name@version
example : npm install slugify@1.1.2

version system x.y.z (major.minor.patch)
where x is major, y is minor and z is patch

tag before version ^,>,~
^ : Exact version mention
> : greater than or latest version of package released
~ : install with minor new patch and function 


**** To install packages just for development ****

npm install package-name --save-dev
example : npm install nodemon --save-dev

**** To use the package globally ****

npm install package-name --global
npm install nodemon --global