Now that we've covered the basic ideas, we're going to set up the development environment for our first project. All the software used here worked on Windows, Mac, and Linux desktop computers at the time of writing this book.
If you don't have Node.JS already installed, you can download an installer for your platform from nodejs.org. This installer will also install NPM or Node Package Manager, which will be used to manage the rest of the software that we'll be using.
Run the installer on your machine, which may require a restart. After this, open up your terminal application and run the following command:
The output from this command should be 4.x.x, where x are integers. ...