Express.js | app.route() Function Last Updated : 08 Jan, 2025 Comments Improve Suggest changes Like Article Like Report The app.route() function returns an instance of a single route, which you can then use to handle HTTP verbs with optional middleware. Use app.route() to avoid duplicate route names (and thus typo errors). Syntax:app.route( path )Installation of the express module:You can visit the link to Install the express module. You can install this package by using this command.npm install expressAfter installing the express module, you can check your express version in the command prompt using the command.npm version expressAfter that, you can just create a folder and add a file, for example, index.js. To run this file you need to run the following command.node index.jsProject Structure:Filename: index.js javascript const express = require('express'); const app = express(); const PORT = 3000; app.route('/user') .get((req, res, next) => { res.send('GET request called'); }) .post((req, res, next) => { res.send('POST request called'); }) .all((req, res, next) => { res.send('Other requests called'); }) app.listen(PORT, function (err) { if (err) console.log(err); console.log("Server listening on PORT", PORT); }); Steps to run the program:Make sure you have installed the express module using the following command:npm install expressRun the index.js file using the below command:node index.jsOutput:Console Output:Server listening on PORT 3000Browser Output:Now, if we make a POST request to /user we get a POST request called, similarly if we make a GET request to /user we get a GET request called, and so on.So this is how you can use the express app.route() function which returns an instance of a single route, which you can then use to handle HTTP verbs with optional middleware. Comment More infoAdvertise with us Next Article HTML Tutorial G gouravhammad Follow Improve Article Tags : Web Tech Similar Reads Web Development Technologies Web development refers to building, creating, and maintaining websites. It includes aspects such as web design, web publishing, web programming, and database management. It is the creation of an application that works over the internet, i.e., websites.Basics of Web Development To better understand t 7 min read HTML TutorialHTML TutorialHTML stands for HyperText Markup Language. It is the standard language used to create and structure content on the web. It tells the web browser how to display text, links, images, and other forms of multimedia on a webpage. HTML sets up the basic structure of a website, and then CSS and JavaScript 11 min read Top 10 Projects For Beginners To Practice HTML and CSS SkillsLearning to code is an exciting journey, especially when stepping into the world of programming with HTML and CSSâthe foundation of every website you see today. For most beginners, these two building blocks are the perfect starting point to explore the creative side of web development, designing vis 8 min read CSS Tutorial CSS stands for Cascading Style Sheets. It is a stylesheet language used to style and enhance website presentation. CSS is one of the three main components of a webpage, along with HTML and JavaScript.HTML adds Structure to a web page.JavaScript adds logic to it and CSS makes it visually appealing or 7 min read JS TutorialJavaScript TutorialJavaScript is a programming language used to create dynamic content for websites. It is a lightweight, cross-platform, and single-threaded programming language. It's an interpreted language that executes code line by line, providing more flexibility.Client Side: On the client side, JavaScript works 11 min read JSON TutorialJSON (JavaScript Object Notation) is a widely-used, lightweight data format for representing structured data. Used Extensively : Used in APIs, configuration files, and data exchange between servers and clients.Text-based: JSON is a simple text format, making it lightweight and easy to transmit.Human 5 min read TypeScript TutorialTypeScript is a superset of JavaScript that adds extra features like static typing, interfaces, enums, and more. Essentially, TypeScript is JavaScript with additional syntax for defining types, making it a powerful tool for building scalable and maintainable applications.Static typing allows you to 8 min read Vue.js TutorialVue.js is a progressive JavaScript framework for building user interfaces. It stands out for its simplicity, seamless integration with other libraries, and reactive data binding.Built on JavaScript for flexible and component-based development.Supports declarative rendering, reactivity, and two-way d 4 min read jQuery TutorialjQuery is a lightweight JavaScript library that simplifies the HTML DOM manipulating, event handling, and creating dynamic web experiences. The main purpose of jQuery is to simplify the usage of JavaScript on websites. jQuery achieves this by providing concise, single-line methods for complex JavaSc 8 min read Front EndReact TutorialReact is a powerful JavaScript library for building fast, scalable front-end applications. Created by Facebook, it's known for its component-based structure, single-page applications (SPAs), and virtual DOM,enabling efficient UI updates and a seamless user experience.Note: The latest stable version 7 min read Angular TutorialAngular is a powerful, open-source web application framework for building dynamic and scalable single-page applications (SPAs). Developed by Google, Angular provides a comprehensive solution for front-end development with tools for routing, form handling, HTTP services, and more.Designed for buildin 4 min read BackendNode.js TutorialNode.js is a powerful, open-source, and cross-platform JavaScript runtime environment built on Chrome's V8 engine. It allows you to run JavaScript code outside the browser, making it ideal for building scalable server-side and networking applications.JavaScript was mainly used for frontend developme 4 min read Express.js TutorialExpress.js is a minimal and flexible Node.js web application framework that provides a list of features for building web and mobile applications easily. It simplifies the development of server-side applications by offering an easy-to-use API for routing, middleware, and HTTP utilities.Built on Node. 4 min read PHP TutorialPHP is a popular, open-source scripting language mainly used in web development. It runs on the server side and generates dynamic content that is displayed on a web application. PHP is easy to embed in HTML, and it allows developers to create interactive web pages and handle tasks like database mana 9 min read Laravel TutorialLaravel is an open-source PHP web application framework that has gained immense popularity since its inception in 2011, created by Taylor Otwell. This renowned framework empowers developers to build robust, scalable web applications with remarkable ease. As a developer-friendly framework, Laravel of 3 min read DatabaseMongoDB TutorialMongoDB is an open source, document-oriented, NoSql database whose data is stored in an organized format. It is scalable and easy to learn, commonly used in modern web and mobile apps, dealing with high volumes of data. MongoDB stores data in BSON format, which lets you store JSON like documents eff 9 min read Introduction to RedisRedis (Remote Dictionary Server) is a fast database used for caching web pages to reduce server load, and message brokering to manage communication between systems. Uses of Redis are:Caching frequently accessed data to improve website.Session storage for web applicationsReal-time analytics and leade 4 min read Web Technologies Questions The following Web Technologies Questions section contains a wide collection of web-based questions. These questions are categorized based on the topics HTML, CSS, JavaScript, and many more. Each section contains a bulk of questions with multiple solutions. Table of Content HTML QuestionsCSS Question 15+ min read Like