Node.js Basics

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About Course

Run JavaScript on servers and on the command line with Node.js. Learn what Node.js is and why it handles many connections efficiently, how to choose a supported release, how to build a simple HTTP server, why blocking code is a problem, how to use environment variables and NODE_ENV correctly, and how to structure a small project.

Tutwoo is an independent learning provider. This course is general awareness training written from published official guidance. It does not replace training required for your specific job, and it is not an accredited qualification.

© 2026 Tutwoo UK Limited. This course was created in-house by Tutwoo and is our original work. It is for your own learning only: please do not copy, share, record or resell it.

What Will You Learn?

  • Explain what Node.js is and how non-blocking I/O works
  • Choose a suitable LTS release for production
  • Create a simple HTTP server and avoid blocking the event loop
  • Configure apps with environment variables and NODE_ENV correctly

Course Content

Course Lessons

  • What Node.js is
  • Choosing a version and your first server
  • Blocking vs non-blocking code
  • Configuration, environment and good practice

Sources & Further Reading
The official guidance this course is based on.

Final Assessment

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