Node.js: Complete Notes
Published by SoftwareTestPilot
PDF • 13 pages • Study Notes • All Levels • JavaScript / TypeScript for QA
Published 20 October 2026 • Updated 20 October 2026
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13-page Node.js notes: modules and npm, the event loop, promises and async/await, files and buffers, a native HTTP API, Express middleware, streams, validation and security, testing, workers and deployment.
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Overview
13-page Node.js notes: modules and npm, the event loop, promises and async/await, files and buffers, a native HTTP API, Express middleware, streams, validation and security, testing, workers and deployment. Published by SoftwareTestPilot.
What you'll learn
- Explain how the Node.js event loop handles concurrency
- Write clean async code with promises and async/await
- Build an HTTP API with Node and Express
- Use streams, validation and security basics correctly
- Test, debug and deploy a Node.js service
Topics covered
- javascript-typescript
Table of contents
- Node.js Foundations & Setup
- Modules, npm & Project Structure
- Event Loop & Concurrency
- Promises, Async / Await & Errors
- Files, Paths & Buffers
- Build a Native HTTP API
- Express, Middleware & Structure
- Streams, Backpressure & Events
- Validation, Data & Security
- Testing, Debugging & Observability
- Workers, Processes & Performance
- Deployment, CI & Final Revision
Tools covered
- Node.js
- npm
- Express
Skills covered
- JavaScript
- Backend Development
Who this resource is for
- Automation Tester
- SDET
- Developer
Format and what you get
- A downloadable PDF you can read on phone or laptop.
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