npm install package.json code example

Example 1: install npm globally

npm install npm@latest -g

Example 2: npm install package as developer dependency

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

Example 3: install dependencies npm

npm install

Example 4: install node_modules folder

npm install (with no args, in package dir)

Example 5: how to install dependencies from package.json

npm install // installs dependencies listed in package.json

Example 6: 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.