How To Check Node.js Version

To check Node.js Version Using the Command Line (Windows, Linux and macOS)

1. Open your Microsoft Windows Command Line / Microsoft Windows Command Prompt / Linux or macOS Terminal / Linux or macOS Shell / Linux or macOS Console / Linux or macOS Command Line Interface.
2. Type this Node.js command:
   node -v
   ( with single dash line and lowercase v flag parameter )
   or
   node --version
   ( with single dash line and lowercase v flag parameter )
3. then press Enter on keyboard.

Its output contains the Node.js the major, minor, and patch releases.

For other command line help, type: node --help 

Bibliography

https://stackoverflow.com/

https://medium.com/

https://nodejs.org/