Node JS Mastery Docs
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Node JS Mastery Course

Node.js lets you run JavaScript on your computer and on servers. Start from your very first script and learn modules, npm, files, the event loop, streams, web servers, testing and TypeScript, then move on to concurrency, diagnostics and shipping Node apps to production.

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Beginner Level

Foundational concepts to get you started withNode JS

Easy

What is Node.js? Runtime, V8 and the Ecosystem

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Easy

Node.js vs Browser JavaScript

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Easy

Installing Node.js LTS and Version Managers

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Easy

Your First Node.js Program

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Easy

The REPL and Running Scripts

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Easy

Release Lines: Current, LTS and Maintenance

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Easy

CommonJS vs ES Modules

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Easy

require(esm) and Module Interop

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Easy

package.json Explained

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Easy

npm, npx and node --run

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Easy

Semantic Versioning and Lockfiles

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Easy

Globals: process, __dirname and import.meta

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Easy

Command-line Arguments with util.parseArgs

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Easy

Environment Variables and --env-file

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Easy

The Console and Debugging Basics

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Easy

Paths and the path Module

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Easy

Reading and Writing Files with fs/promises

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Easy

Working with Folders and Directories

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Easy

Watch Mode with node --watch

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Easy

Beginner Project: A Command-line To-Do App

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Intermediate Level

Deep dive into core Node JS concepts and patterns

Intermediate

The Event Loop and Its Phases

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Intermediate

Callbacks, Promises and async/await

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Intermediate

Promise Combinators and AbortSignal

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Intermediate

Timers, setImmediate and process.nextTick

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Intermediate

Error Handling and Unhandled Rejections

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Intermediate

EventEmitter and the Observer Pattern

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Intermediate

Buffers and Binary Data

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Intermediate

Streams: Readable, Writable and Transform

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Intermediate

Pipelines and Backpressure

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Intermediate

Web Streams and Interop

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Intermediate

The http Module and a Server from Scratch

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Intermediate

Routing and JSON APIs without a Framework

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Intermediate

URL, Query Strings and URLSearchParams

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Intermediate

Built-in fetch, Undici and the WebSocket Client

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Intermediate

Working with JSON and Structured Data

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Intermediate

The crypto Module and Hashing

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Intermediate

The os, util and zlib Modules

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Intermediate

The Built-in node:sqlite Database

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Intermediate

Project: A Notes REST API with http and node:sqlite

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Intermediate

The Built-in Test Runner

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Intermediate

Assertions, Mocking and Code Coverage

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Intermediate

Running TypeScript Natively with Type Stripping

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Intermediate

Debugging with the Inspector and Chrome DevTools

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Advanced Level

Master advanced Node JS patterns and modern features

Advance

Child Processes: spawn, exec and fork

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Advance

Worker Threads and Shared Memory

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Advance

The Cluster Module and Multi-core Scaling

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Advance

AsyncLocalStorage and Context Propagation

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Advance

The Permission Model

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Advance

Single Executable Applications

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Advance

Module Customisation Hooks and Loaders

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Native Addons and Node-API

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Advance

The Temporal API

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Advance

Reports, Heap Snapshots and Profiling

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Advance

Performance Hooks and Benchmarking

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Advance

Memory Management, GC and Leak Hunting

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Advance

Logging and Structured Observability

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Advance

OpenTelemetry Tracing in Node

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Advance

Graceful Shutdown and Signal Handling

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Advance

Security: Supply Chain, Audits and Hardening

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Advance

Caching Strategies

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Expert Level

High-performance and production-grade Node JS expertise

Expert

Building CLIs and Publishing to npm

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Expert

Monorepos and Workspaces

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Expert

Dockerising Node Applications

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Expert

CI/CD for Node Projects

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Expert

Deploying and Scaling in Production

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Expert

Serverless and Edge Runtimes

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Expert

Node.js Internals: libuv and the Thread Pool

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Expert

V8 Internals and Optimisation

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Expert

Load Testing and Capacity Planning

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Expert

Upgrading Across LTS Lines

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