install all node modules code example

Example 1: npm install package as developer dependency

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

Example 2: npm install in dev mode

npm install packageName --save-dev

Example 3: how to install node dependencies

#how to install project dependecies when you download project

# example:
npm install

#NOTE:: by entering only this command your all dependecies will automatically installed.

Example 4: npm install and add to dependancies

npm i packageName -save