🪔

🎉 Festival Dhamaka Sale – Upto 80% Off on All Courses 🎊

🎁
logo

INDIA'S NO. 1 INTERNSHIP PORTAL

Node.js Essentials

Master Node.js for Server-Side JavaScript

Event-driven JavaScript runtime built on Chrome's V8 engine, ideal for building scalable network applications and APIs.

Node.js Logo
Models Deployed
12,430+
Active Developers
58,900+

Key Features

Non-Blocking I/O

Handle thousands of concurrent connections with asynchronous event-driven architecture.

Fast Execution

Built on Chrome’s V8 engine for lightning-fast JavaScript performance.

npm Ecosystem

Access over 2 million packages via Node Package Manager (npm).

Cross-Platform

Run on Windows, macOS, Linux, and deploy to cloud or containers.

How It Works

1

Install Node.js

Download the installer from the official site or use a package manager like nvm.

2

Initialize Project

Run `npm init` to create a package.json file and configure your app.

3

Write Server Code

Use built-in modules like `http` or frameworks like Express to build APIs.

4

Install Packages

Use `npm install` to add libraries for routing, database, testing, and more.

5

Run & Deploy

Start your server with `node app.js` and deploy using Docker, cloud, or CI/CD.

Code Example

// Node.js Model Training
// Sample Node.js HTTP server
const http = require('http');

const server = http.createServer((req, res) => {
  res.statusCode = 200;
  res.setHeader('Content-Type', 'text/plain');
  res.end('Hello from Node.js!');
});

server.listen(3000, () => {
  console.log('Server running at http://localhost:3000/');
});

Use Cases

API Development

Build RESTful or GraphQL APIs with Express, Fastify, or Koa.

Real-Time Apps

Create chat apps, games, or dashboards using WebSockets and Socket.io.

Microservices

Design modular services with lightweight Node.js containers.

CLI Tools

Build command-line utilities with Node.js and npm packages.

Integrations & Resources

Explore Node.js’s ecosystem and find the tools, platforms, and docs to accelerate your workflow.

Popular Integrations

  • Express, Fastify, Koa
  • MongoDB, PostgreSQL, Redis
  • Docker, Kubernetes
  • Git, GitHub, GitLab
  • Jenkins, Travis CI, CircleCI

Helpful Resources

FAQ

Common questions about Node.js’s capabilities, usage, and ecosystem.