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Master Node.js with Adaptive AI.

Master Node.js across 25 topics - Foundations, HTTP and Concurrency, and Advanced Node.js - guided by Leyaa's adaptive intelligence.

3Parts

25Topics

201Patterns

50hEst. duration

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Node.js Course

3 - part learning journey

Foundations

9 topics · 74 patterns

Beginner

HTTP and Concurrency

8 topics · 62 patterns

Intermediate

Advanced Node.js

8 topics · 65 patterns

Advanced

Begin Part 1: Foundations

✦ Course Structure

Your Node.js Journey in 3 Parts

Each part builds on the last - a deliberate progression from beginner to advanced.

Beginner

Part 1: Foundations

Covers Node.js Fundamentals, Modules and Package Management, File System Module and 6 more topics.

9Topics

74Patterns

View topics

Intermediate

Part 2: HTTP and Concurrency

Covers HTTP Module, URL and Query String Handling, Child Processes and 5 more topics.

8Topics

62Patterns

View topics

Advanced

Part 3: Advanced Node.js

Covers Testing in Node.js, Database Integration, Authentication and Security and 5 more topics.

8Topics

65Patterns

View topics

Curriculum

Everything You'll Learn

Explore every topic and pattern in the course.

Node.js

3 parts · 25 topics · 201 patterns

Part 1: Foundations9 topics · 74 patterns

Beginner

Node.js Fundamentals

8 patterns

What is Node.js

Why Node.js for server-side JavaScript

How Node.js differs from browser JavaScript

Event loop mental model

Single-threaded non-blocking I/O concept

Node.js installation and version management

Running scripts with node command

REPL for interactive exploration

Modules and Package Management

9 patterns

Why modules are needed

CommonJS require and module.exports

ES Modules import and export

CommonJS vs ESM differences

Built-in modules overview

npm initialization and package.json

Installing packages (dependencies vs devDependencies)

npx for running packages

package-lock.json and deterministic installs

File System Module

9 patterns

Why file system access matters

Reading files synchronously

Reading files asynchronously with callbacks

Reading files with promises (fs.promises)

Writing files

Appending to files

Checking file existence and stats

Creating and removing directories

Watching files for changes

Path and OS Modules

8 patterns

Why path handling matters

path.join for cross-platform paths

path.resolve for absolute paths

path.basename and path.dirname

path.extname for file extensions

path.parse and path.format

os module for system information

os.platform and os.arch

Asynchronous Patterns

9 patterns

Why async patterns are critical in Node.js

Callback pattern and callback hell

Promises for cleaner async

Promise chaining

Promise.all for parallel execution

Promise.race and Promise.allSettled

Async/await syntax

Error handling in async/await

Sequential vs parallel async execution

Events and EventEmitter

8 patterns

Why the event system matters

EventEmitter class

Emitting and listening for events

Once listeners

Removing listeners

Error events and handling

Custom event emitter classes

Events vs callbacks decision

Streams

8 patterns

Why streams are needed

Stream types (Readable, Writable, Transform, Duplex)

Reading data with Readable streams

Writing data with Writable streams

Piping streams together

Transform streams for processing

Stream backpressure concept

Streams vs loading entire file in memory

Buffers and Binary Data

7 patterns

Why buffers are needed

Creating buffers

Buffer allocation and encoding

Reading and writing buffer data

Buffer to string conversion

Buffer concatenation

Buffer and streams relationship

Process and Environment

8 patterns

Why process management matters

process.argv for command line arguments

process.env for environment variables

process.cwd and __dirname

process.exit and exit codes

Handling uncaught exceptions

dotenv for environment configuration

process.stdin and process.stdout

Part 2: HTTP and Concurrency8 topics · 62 patterns

Intermediate

HTTP Module

9 patterns

Why building HTTP servers matters

Creating a basic HTTP server

Request object properties

Response methods and status codes

Routing requests manually

Serving static files

Parsing query strings

Parsing request body (JSON and form data)

Setting response headers

URL and Query String Handling

6 patterns

Why URL parsing matters

URL class for parsing

URLSearchParams for query strings

Building URLs programmatically

Encoding and decoding URLs

Relative vs absolute URL resolution

Child Processes

8 patterns

Why child processes are needed

exec for running shell commands

execFile for running executables

spawn for streaming processes

fork for Node.js child processes

IPC communication between processes

Handling child process errors

Child process exit codes

Worker Threads

8 patterns

Why worker threads matter

Worker thread vs child process

Creating worker threads

Passing data to workers

Receiving results from workers

SharedArrayBuffer for shared memory

Worker pool pattern

When to use workers vs cluster

Cluster Module

7 patterns

Why clustering matters for performance

How cluster module works

Master and worker processes

Forking workers per CPU core

Load balancing between workers

Handling worker crashes and restart

Cluster vs reverse proxy decision

Error Handling Patterns

9 patterns

Why robust error handling matters

Try-catch for synchronous errors

Promise catch for async errors

Async/await error handling patterns

Error-first callback convention

Custom error classes

Centralized error handling

Graceful shutdown on errors

Unhandled rejection handling

Timers and Scheduling

7 patterns

Why timing matters in Node.js

setTimeout and clearTimeout

setInterval and clearInterval

setImmediate vs process.nextTick

Event loop phases and timer execution

Recursive setTimeout vs setInterval

AbortController for cancellation

Debugging and Profiling

8 patterns

Why debugging skills matter

Console methods beyond log

Node.js built-in debugger

Chrome DevTools for Node.js

Debugging with VS Code

Heap snapshot for memory leaks

CPU profiling basics

Common memory leak patterns

Part 3: Advanced Node.js8 topics · 65 patterns

Advanced

Testing in Node.js

9 patterns

Why testing matters

Node.js built-in test runner

Assert module for assertions

Writing test cases

Test lifecycle hooks (before, after)

Mocking modules and functions

Testing async code

Code coverage basics

Integration testing patterns

Database Integration

8 patterns

Why database connectivity matters

MySQL connection with mysql2

PostgreSQL connection with pg

MongoDB connection with mongodb driver

Connection pooling concept

Query parameterization for safety

Transaction handling

ORM concept (Sequelize, Prisma overview)

Authentication and Security

9 patterns

Why security is critical

Password hashing with bcrypt

JWT token generation and verification

Session-based vs token-based auth

CORS configuration

Helmet for security headers

Rate limiting

Input validation and sanitization

Common Node.js security vulnerabilities

Real-Time Communication

8 patterns

Why real-time matters

WebSocket protocol concept

ws library for WebSocket server

Socket.io overview

Broadcasting to connected clients

Room and namespace concepts

Server-Sent Events alternative

Long polling as fallback

RESTful API Design

8 patterns

Why REST design principles matter

Resource naming conventions

HTTP methods and CRUD mapping

Status code usage patterns

Request validation

Pagination patterns

Error response formatting

API versioning strategies

Middleware Pattern

7 patterns

Why middleware is fundamental

Middleware concept and execution flow

Building custom middleware

Error-handling middleware

Middleware ordering matters

Third-party middleware usage

Middleware vs decorator pattern

Caching and Performance

8 patterns

Why caching matters

In-memory caching patterns

Redis for distributed caching

HTTP caching headers

ETag and conditional requests

Compression middleware

Response time optimization

Memory management best practices

Deployment and Production

8 patterns

Why production setup differs from development

Environment configuration

PM2 for process management

Docker containerization for Node.js

Health check endpoints

Logging with structured formats

Graceful shutdown handling

CI/CD pipeline basics

Why Leyaa

Not just a course. A learning intelligence.

Leyaa doesn't just deliver content - it understands where you are, what you need, and how to get you there fastest.

Adaptive Diagnostics

Leyaa identifies which of the 201 patterns you've mastered and which need work - before you waste time on what you already know.

Pattern-Level Precision

Every pattern gets a verdict - Learn, Practice, or Skip - so your study time goes exactly where it counts.

Intelligent Pacing

Leyaa reads your velocity across the whole course and adapts your focus list dynamically, keeping you in the optimal learning zone.

Before & After Visibility

Every assessment creates a snapshot. Retake anytime to see exactly how much you've grown - topic by topic, pattern by pattern.

Learner Autonomy

Leyaa recommends, never restricts. Override any suggestion and explore at your own pace - the system tracks everything regardless.

Clear Learning Path

Foundations → HTTP and Concurrency → Advanced Node.js - a structured journey where each part sets you up perfectly for the next.

Node.js

Ready to master Node.js?
Start your journey today

Start your diagnostic now. Build mastery across all 25 topics in under 15 minutes.

25 Topics

201 Patterns

Personalized roadmap

Master Node.js with Adaptive AI.

Your Node.js Journey in 3 Parts

Everything You'll Learn

Node.js

Not just a course. A learning intelligence.

Ready to master Node.js?Start your journey today

Ready to master Node.js?
Start your journey today