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Express provides a thin layer of fundamental web application features, without obscuring Node.js features that you know and love. Middleware Express is a lightweight and flexible routing framework with minimal core features meant to be augmented through the use of Express middleware modules.
- 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
This middleware is available in Express v4.16.0 onwards....
- Express Examples
This page contains list of examples using Express. auth -...
- Installing
- Overview
- Installation
- Features
- Docs & Community
- Quick Start
- Philosophy
- Examples
- Contributing
- People
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 is a fast, unopinionated, and minimal web framework for Node.js. Express provides a set of features suitable for building web applications. With Express, you can: Build web applications including single-page and multi-page applications.
Jun 17, 2024 · Express.js Tutorial. Express.js is a fast, flexible and minimalist web framework for Node.js. It’s effectively a tool that simplifies building web applications and APIs using JavaScript on the server side. Express is an open-source that is developed and maintained by the Node.js foundation.
2 days ago · 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: Write handlers for requests with different HTTP verbs at different URL paths (routes).
- Express/Node introduction. In this first Express article we answer the questions "What is Node?" and "What is Express?" and give you an overview of what makes the Express web framework special.
- Setting up a Node (Express) development environment. Now that you know what Express is for, we'll show you how to set up and test a Node/Express development environment on Windows, Linux (Ubuntu), and macOS.
- Express Tutorial: The Local Library website. The first article in our practical tutorial series explains what you'll learn and provides an overview of the "local library" example website we'll be working through and evolving in subsequent articles.
- Express Tutorial Part 2: Creating a skeleton website. This article shows how you can create a "skeleton" website project, which you can then go on to populate with site-specific routes, templates/views, and databases.
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May 19, 2022 · Express.js is the most popular backend framework for Node.js, and it is an extensive part of the JavaScript ecosystem. It is designed to build single-page, multi-page, and hybrid web applications, it has also become the standard for developing backend applications with Node.js, and it is the backend part of something known as the MEVN stack.
