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Phase 2 · Node.js Fundamentals

Topics

NPM & Package Management

Part of the Backend Developer Roadmap.

Summary

Node Package Manager — the tool and registry used to install, publish and manage third-party JavaScript packages your backend depends on.

How to Learn This

1Initialize a project with `npm init` and install a package with `npm install`.
2Learn `npm ci` vs `npm install` and when each is appropriate.
3Explore alternatives (pnpm, Yarn) and understand what problem each solves.

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Modules (CommonJS vs ESM)

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package.json

More topics in Node.js Fundamentals

Node.js Runtime V8 Engine Event Loop Non-Blocking I/O Modules (CommonJS vs ESM)package.json Async Programming Callbacks Promises Async/Await Streams Buffers File System (fs)Process & Environment Variables Event Emitter Child Processes Clustering

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