Node.js installation and version management in Node.js - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is Node.js?

Node.js is a program that lets you run JavaScript code outside a web browser, usually on your computer or server.

beginner

Why do we use a version manager like nvm for Node.js?

A version manager helps you easily switch between different Node.js versions on your computer, so you can work on many projects without conflicts.

beginner

How do you check the installed Node.js version in your terminal?

You type node -v or node --version and press Enter. It shows the current Node.js version.

intermediate

What command installs a specific Node.js version using nvm?

Use nvm install <version>, for example nvm install 18.16.0 to install Node.js version 18.16.0.

intermediate

How do you switch to a different Node.js version after installing it with nvm?

Use nvm use <version>, for example nvm use 18.16.0 to start using that version.

Which command shows your current Node.js version?

A node start

B npm install

C nvm list

D node -v

The command node -v displays the installed Node.js version.

What tool helps manage multiple Node.js versions on one computer?

A nvm

B node

C npm

D git

nvm (Node Version Manager) lets you install and switch between Node.js versions easily.

How do you install Node.js version 16.14.0 using nvm?

A nvm use 16.14.0

B npm install 16.14.0

C nvm install 16.14.0

D node install 16.14.0

The command nvm install 16.14.0 downloads and installs that Node.js version.

After installing a Node.js version with nvm, how do you start using it?

A nvm switch 16.14.0

B nvm use 16.14.0

C node use 16.14.0

D npm use 16.14.0

Use nvm use <version> to switch to the installed Node.js version.

Which of these is NOT a benefit of using nvm?

A Running JavaScript in the browser

B Switching Node.js versions easily

C Installing multiple Node.js versions

D Avoiding version conflicts between projects

Running JavaScript in the browser is done by browsers themselves, not by nvm.

Explain how to install Node.js and manage its versions on your computer using nvm.

Think about the commands you type in the terminal to handle Node.js versions.

Why is it helpful to have multiple Node.js versions installed on one machine?

Consider how software projects can depend on specific tools.