command [CMD] in Terminal

CMD in Terminal

$node

30+40

70


$ npm view underscore

$npm view underscore version

$npm install underscore

$npm uninstall underscore

$npm install underscore@1.0.4

// make own package:

$npm init

Enter all detail

and goto folder the "package.json"

// to install package in ur project  

$npm install underscore --save

it will reflect to "package.json"

npm install express@4.16.2 --save