🚀 Express.js Guide: Building Web Applications with Node.js

Express.js is a minimal and flexible Node.js web application framework that provides a robust set of features for web and mobile applications. Below are key concepts to get started:

1. Core Features

  • Routing: Define routes for handling HTTP requests 🚫 

    app.get('/', (req, res) => res.send('Hello World!'));
    Routing

  • Middleware: Use middleware to handle tasks like parsing request bodies or logging 📦 

    app.use(express.json());
    Middleware

  • Template Engines: Render dynamic HTML with engines like EJS or Pug 📄

    Template Engine

2. Getting Started

  1. Install Express: 
    npm install express
  2. Create a basic server: 
    const express = require('express');
const app = express();
app.listen(3000, () => console.log('Server running on port 3000'));

3. Resources

💡 For more examples, check out our Express.js Tutorials section!

Express.js