Express.js

330+ posts

Last Updated: 08 April 2025

Express.js is a minimal and flexible Node.js web application framework that provides a list of features for building web and mobile applicat...read more

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Express.js

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Steps to Create an Express.js Application

Last Updated: 07 January 2025

Creating an Express.js application involves several steps that guide you through setting up a basic server to handle complex routes and midd...read more

Express req.body Property

Last Updated: 14 April 2025

The req.body property contains key-value pairs of data submitted in the request body. By default, it is undefined and is populated when you ...read more

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Express.js res.redirect() Function

Last Updated: 14 April 2025

In Express.js, the res.redirect() function is one of the most commonly used methods to handle redirection in a web application. This method ...read more

Express res.render() Function

Last Updated: 04 April 2025

The res.render() function in Express.js is used to render a view template and send the resulting HTML to the client. This allows you to d...read more

Express req.params Property

Last Updated: 07 January 2025

The req.params property is an object containing properties mapped to the named route “parameters”. For example, if you have the route /s...read more

Express res.json() Function

Last Updated: 07 January 2025

The res.json() function sends a JSON response. This method sends a response (with the correct content-type) that is the parameter converted ...read more

Express res.send() Function

Last Updated: 07 January 2025

The res.send function is used to send a response in form of various types of data, such as strings, objects, arrays, or buffers, and automat...read more

Express.js res.sendFile() Function

Last Updated: 07 January 2025

The res.sendFile() function transfers the file at the given path and it sets the Content-Type response HTTP header field based on the filena...read more

ExpressJS express.json() Function

Last Updated: 26 February 2025

The express.json() function is a built-in middleware in Express that is used for parsing incoming requests with JSON payload. The express...read more

Express express.urlencoded() Function

Last Updated: 12 April 2025

The express.urlencoded() middleware in Express.js is used to parse URL-encoded form data, making it accessible as a JavaScript object in req ...read more

Express express.Router() Function

Last Updated: 07 January 2025

The express.Router() function in Express.js creates a new router object that can handle requests in a modular and organized way. It serves a...read more

Express app.listen() Function

Last Updated: 14 April 2025

In Express.js, the app.listen() function is used to start a server and make it listen for incoming requests on a specified port and host. Th...read more

Last Updated: 20 February 2025

The MERN stack is a widely adopted full-stack development framework that simplifies the creation of modern web applications. Using JavaScrip...read more

Last Updated: 19 April 2025

Routing is the process of deciding how a server should respond to different requests made by users. When you visit a website or use an app, ...read more

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