Node.js is JavaScript running outside of the web browser. If you're expecting a Window or Document object because JavaScript has that, you'll be disappointed because those objects are side effects of running in a browser. This introduction to Node.js is a very basic intro, showing the bare bones of beginning to understand what Node.js is, and what its role is in the software industry.
What is Node.js Exactly? - a beginners introduction to Nodejs
About the Author(s)
David Herron:
David Herron is a writer and software engineer focusing on the wise use of technology. He is especially interested in clean energy technologies like solar power, wind power, and electric cars. David worked for nearly 30 years in Silicon Valley on software ranging from electronic mail systems, to video streaming, to the Java programming language, and has published several books on Node.js programming and electric vehicles.