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What is the difference between Service Directive and Module in Angular ?

What are the differences between HTTP module and Express.js module ?

Last Updated : 08 Jan, 2025

HTTP and Express both are used in NodeJS for development. In this article, we'll go through HTTP and express modules separately

HTTP: It is an in-build module which is pre-installed along with NodeJS. It is used to create server and set up connections. Using this connection, data sending and receiving can be done as long as connections use a hypertext transfer protocol.

Example: Creating a server using the HTTP module in NodeJS.

index.js

// Importing http module  var http = require('http');  // Create a server object which listens on port 300 http.createServer(function (req, res) {     // Write a response to the client     res.write('Hello World!');      // End the response     res.end(); }).listen(3000);

Run the index.js file using the following command.

node index.js

Output:

Express: Express as a whole is known as a framework, not just as a module. It gives you an API, submodules, functions, and methodology and conventions for quickly and easily typing together all the components necessary to put up a modern, functional web server with all the conveniences necessary for that (static asset hosting, templating, handling CSRF, CORS, cookie parsing, POST data handling, and many more functionalities.

Module Installation: You can install the express module using the following command.

npm i express

Example: Creating a server using the express module in NodeJS.

index.js

// Importing express const express = require('express');  // Creating instance of express const app = express();  // Handling GET / Request app.get('/', function (req, res) {     res.send("Hello World!, I am server created by expresss"); })  // Listening to server at port 3000 app.listen(3000, function () {     console.log("server started"); })

Run the index.js file using the following command.

node index.js

Output:

Difference between HTTP module and Express.js module:

The main difference between Node's HTTP module and Express.js is that Express adds extra functionality for building web applications.

HTTP	Express
HTTP comes inbuilt along with NodeJS that is, we don't need to install it explicitly.	Express is installed explicitly using npm command: npm install express
HTTP is not a framework as a whole, rather it is just a module.	Express is a framework as a whole.
HTTP does not provide function for static hosting, you require to write your own.	Express provide express.static function for static asset hosting. Example: app.use(express.static('public'));
HTTP is an independent module.	Express is made on top of the HTTP module.
HTTP module provides various tools (functions) to do things for networking like making a server, client, etc.	Express along with what HTTP does provide many more functions in order to make development easy.

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