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Node.js Tutorial

Node HOME Node Intro Node Get Started Node JS Requirements Node.js vs Browser Node Cmd Line Node V8 Engine Node Architecture Node Event Loop

Asynchronous

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Module Basics

Node Modules Node ES Modules Node NPM Node package.json Node NPM Scripts Node Manage Dep Node Publish Packages

Core Modules

HTTP Module HTTPS Module File System (fs) Path Module OS Module URL Module Events Module Stream Module Buffer Module Crypto Module Timers Module DNS Module Assert Module Util Module Readline Module

JS & TS Features

Node ES6+ Node Process Node TypeScript Node Adv. TypeScript Node Lint & Formatting

Building Applications

Node Frameworks Express.js Middleware Concept REST API Design API Authentication Node.js with Frontend

Database Integration

MySQL Get Started MySQL Create Database MySQL Create Table MySQL Insert Into MySQL Select From MySQL Where MySQL Order By MySQL Delete MySQL Drop Table MySQL Update MySQL Limit MySQL Join
MongoDB Get Started MongoDB Create DB MongoDB Collection MongoDB Insert MongoDB Find MongoDB Query MongoDB Sort MongoDB Delete MongoDB Drop Collection MongoDB Update MongoDB Limit MongoDB Join

Advanced Communication

GraphQL Socket.IO WebSockets

Testing & Debugging

Node Adv. Debugging Node Testing Apps Node Test Frameworks Node Test Runner

Node.js Deployment

Node Env Variables Node Dev vs Prod Node CI/CD Node Security Node Deployment

Perfomance & Scaling

Node Logging Node Monitoring Node Performance Child Process Module Cluster Module Worker Threads

Node.js Advanced

Microservices Node WebAssembly HTTP2 Module Perf_hooks Module VM Module TLS/SSL Module Net Module Zlib Module Real-World Examples

Hardware & IoT

RasPi Get Started RasPi GPIO Introduction RasPi Blinking LED RasPi LED & Pushbutton RasPi Flowing LEDs RasPi WebSocket RasPi RGB LED WebSocket RasPi Components

Node.js Cert

Node.js Certificate

Node.js Reference

Built-in Modules EventEmitter (events) Worker (cluster) Cipher (crypto) Decipher (crypto) DiffieHellman (crypto) ECDH (crypto) Hash (crypto) Hmac (crypto) Sign (crypto) Verify (crypto) Socket (dgram, net, tls) ReadStream (fs, stream) WriteStream (fs, stream) Server (http, https, net, tls) Agent (http, https) Request (http) Response (http) Message (http) Interface (readline)

Resources & Tools

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W3Schools Node.JS Certificate


HTML Certification

Get Certified in HTML

Prepare online at your own pace, take the exam when you are ready, and add a verified credential to your CV, LinkedIn profile, and portfolio.

Designed for students, developers, and professionals who want a practical way to document their knowledge.

Online exam. No expiration. Shareable verification link.
HTML Certificate


Why Get Certified?

Any student or professional working in digital fields can benefit from documenting their skills with a certificate.

Certifications help demonstrate knowledge to current or future employers, clients, and collaborators in an increasingly competitive market.

Trusted Learning Platform

W3Schools has more than two decades of experience teaching coding online.

Our certificates provide a practical and professional way to show your skills in a format that is easy to verify and share.

Affordable and Flexible

The price is a small fraction of the cost of traditional education.

You can prepare on your own schedule and take the exam when you are ready.

Get Your Certificate and Share It

Each certificate includes a unique verification link that can be shared with employers, clients, and your network.

Download your certificate to showcase it, and validate it using the unique link or QR code.

See how it looks in this example.

HTML Certificate

Exam Overview

Fee
95 USD
Achievable certification levels
Intermediate (40%)
Advanced (75%)
Professional (90%)
Number of questions
Adaptive, 60 on average
Requirement to pass
Minimum 40% - Intermediate level
Time limit
60 minutes
Number of attempts
3
Exam deadline
None
Certification expiration
None
Format
Online, multiple choice

Have any questions? Send us an e-mail: sales@w3schools.com


Advance Faster in Your Career

Getting a certificate shows your commitment to improving your skills.

You can add the certificate to your CV, resume, LinkedIn profile, and other professional platforms.

It can help support career growth by making it easier to show your knowledge when applying for jobs, freelance work, or larger projects.

HTML Certificate

Document Your Knowledge Today!

How It Works

01
Study HTML for free at W3Schools.com
02
Learn at your own speed and focus on the topics you need most
03
Practice with quizzes and exercises
04
Apply by paying the exam fee
05
Take the exam online at any time and from any location

Document Your Skills

Getting a certificate shows initiative, helps you build credibility, and gives you a professional way to present your HTML knowledge.

Looking to Add Multiple Users?

Are you an educator, manager, or business owner looking for courses or certifications for a group?

We work with schools, companies, and organizations around the world.

Send us an e-mail: sales@w3schools.com


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