expressjs.com/index.md

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home	Express - Node.js web application framework	Express is a fast, unopinionated, minimalist web framework for Node.js, providing a robust set of features for web and mobile applications.	home	en	/en/index.html

Express{{ site.data.express.current_version }}

Fast, unopinionated, minimalist web framework for Node.js

$ npm install express --save

const express = require('express')
const app = express()
const port = 3000

app.get('/', (req, res) => {
  res.send('Hello World!')
})

app.listen(port, () => {
  console.log(`Example app listening on port ${port}`)
})

{% if site.announcement %}

{% include announcement.html %}

{% endif %}

Web Applications

Express is a minimal and flexible Node.js web application framework that provides a robust set of features for web and mobile applications.

<div id="apis">
  <h2>APIs</h2> With a myriad of HTTP utility methods and middleware at your disposal, creating a robust API is quick and easy.
</div>

<div id="performance">
  <h2>Performance</h2> Express provides a thin layer of fundamental web application features, without obscuring Node.js features that you know and love.
</div>

<div id="middleware">
  <h2>Middleware</h2> 
  Express is a lightweight and flexible routing framework with minimal core features 
  meant to be augmented through the use of Express <a href="{{ page.lang }}/resources/middleware.html">middleware</a> modules.
</div>