installing npm packages globally 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: install npm package globally

npm install package-name -g

Example 4: install an npm package

npm install package-name

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