Syllabus for Test:

Node.js Frameworks

Node.js is a way to build web applications using JavaScript. To make development easier, there are different frameworks that provide tools and structures. Some popular Node.js frameworks are:

• Express
• NestJS
• Koa
• Fastify

Each framework has its own strengths and weaknesses, and the choice depends on the project's needs.

What is Express?

Express.js is a popular framework for building web applications with Node.js. It's lightweight and flexible, making it easy to handle HTTP requests and responses. Express provides features like:

• Routing: helps manage URLs and pages
• Middleware: allows you to add extra functionality to your app
• Template rendering: makes it easy to display data on web pages

• Serve static files: Static files are files that are served directly to the client without any processing. This includes files like HTML, CSS, JavaScript, images, and videos. Express provides functionalities to easily serve static files from a specified directory.

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

app.use(express.static('public'));

app.listen(3000, () => {
  console.log('Server started on port 3000');
});

//In this example, the express.static() middleware serves files from the public directory.