What is npm and how do I use it with Node.js?

What is npm and how do I use it with Node.js?

npm stands for Node Package Manager. It's a tool that helps you manage packages for Node.js applications.

How do I install a package using npm?

You can install a package by running the command npm install <package-name> in your terminal.

Can I install multiple packages at once?

Yes, you can install multiple packages by listing them in the command like this: npm install package1 package2 package3.

What is the difference between npm install and npm install --save?

npm install installs the package, while npm install --save also adds it to your package.json file as a dependency.