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From JavaScript to MERN

Read this chapter, then pass a short check to open the next one.

How JS powers the full stack.

From JavaScript to MERN

You now have core JavaScript. MERN uses the same language on the server (Node/Express), in the database driver (MongoDB), and in the UI (React). Follow the MERN Path subject next.

  • Node runs JS outside the browser.
  • Express builds HTTP APIs.
  • MongoDB stores JSON-like documents.
  • React builds component UIs.

Open /mern for the ordered stack path, or continue to /nodejs.