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Express is a fast and minimalist web framework for Node.js that supports web and mobile applications, APIs, and middleware. Learn how to install, use, and customize Express with the official documentation and release history.
- Installing
Installing. Assuming you’ve already installed Node.js,...
- Routing
Express supports methods that correspond to all HTTP request...
- 4.X
As req.body’s shape is based on user-controlled input, all...
- API Documentation
Note: Express 5.0 requires Node.js 18 or higher. express()...
- Template Engines
Developing template engines for Express. Use the...
- Using Middleware
express.urlencoded parses incoming requests with URL-encoded...
- Examples
Express examples. This page contains list of examples using...
- Resources
Express. A fast, un-opinionated, minimalist web framework...
- Express 4.X
Middleware callback function examples. The following table...
- Express Examples
Express examples. This page contains list of examples using...
- Installing
Jul 1, 2024 · Express is the most popular Node.js web framework, and is the underlying library for a number of other popular Node.js frameworks. It provides mechanisms to:
- Overview
- Installation
- Features
- Docs & Community
- Quick Start
- Philosophy
- Examples
- Contributing
- People
- GeneratedCaptionsTabForHeroSec
Fast, unopinionated, minimalist web framework for Node.js.
This is a Node.js module available through the npm registry.
Before installing, download and install Node.js. Node.js 0.10 or higher is required.
If this is a brand new project, make sure to create a package.json first with the npm init command.
Installation is done using the npm install command:
•Robust routing
•Focus on high performance
•Super-high test coverage
•HTTP helpers (redirection, caching, etc)
•View system supporting 14+ template engines
•Content negotiation
•Website and Documentation - [website repo]
•#express on Libera Chat IRC
•GitHub Organization for Official Middleware & Modules
•Visit the Wiki
•Google Group for discussion
•Gitter for support and discussion
The quickest way to get started with express is to utilize the executable express(1) to generate an application as shown below:
Install the executable. The executable's major version will match Express's:
Create the app:
Install dependencies:
Start the server:
View the website at: http://localhost:3000
The Express philosophy is to provide small, robust tooling for HTTP servers, making it a great solution for single page applications, websites, hybrids, or public HTTP APIs.
Express does not force you to use any specific ORM or template engine. With support for over 14 template engines via Consolidate.js, you can quickly craft your perfect framework.
To view the examples, clone the Express repo and install the dependencies:
Then run whichever example you want:
The Express.js project welcomes all constructive contributions. Contributions take many forms, from code for bug fixes and enhancements, to additions and fixes to documentation, additional tests, triaging incoming pull requests and issues, and more!
See the Contributing Guide for more technical details on contributing.
The original author of Express is TJ Holowaychuk
The current lead maintainer is Douglas Christopher Wilson
Express.js is a Node.js module that provides robust routing, HTTP helpers, view system, and more for web development. Learn how to install, use, and contribute to Express.js with documentation, examples, and community resources.
Express is a fast, unopinionated, minimalist web framework for Node.js. It provides robust routing, HTTP helpers, view system, content negotiation, and more. Learn how to install, use, and contribute to express.
Jun 17, 2024 · Learn how to build web applications and APIs using Express.js, a fast, flexible and minimalist web framework for Node.js. Explore the key features, installation, examples, error handling, middleware, and more.
May 19, 2022 · Express.js is a minimalist, fast, and flexible framework for building web applications with Node.js. Learn what Express.js is, what it is used for, why you should use it, and how to create an Express.js app.
Jul 3, 2023 · Express is a popular unopinionated web framework, written in JavaScript and hosted within the Node.js runtime environment. This module explains some of the key benefits of the framework, how to set up your development environment and how to perform common web development and deployment tasks.
