Express.js is a minimalist web application framework for Node.js, designed to build single-page applications, and APIs quickly. It simplifies HTTP request handling and provides tools for routing, middleware, and more.

Getting Started 📦

  1. Install Node.js
    Download Node.js if you haven't already.

    Node_js_Logo
  2. Initialize a Project
    Run npm init -y in your project directory.

  3. Install Express

    npm install express
    

Basic Example 📜

Create a simple server:

const express = require('express');
const app = express();

app.get('/', (req, res) => {
  res.send('Hello, Express!');
});

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

Key Features 🌐

  • Routing: Define routes for HTTP methods (GET, POST, etc.)
    Express_Routing_Features
  • Middleware: Use middleware for logging, authentication, or error handling.
  • Templating: Integrate with EJS, Pug, or other templates.
    Learn more about templates
  • Database Integration: Connect to MongoDB, PostgreSQL, or SQLite.
    Explore database tutorials

Deployment 🚀

Deploy your app using platforms like:

Further Reading 📚

Stay tuned for more tutorials on Express.js and Node.js at our site! 🌟