expressjsHow can I use Express.js to develop a web application?
Express.js is a popular web application framework for Node.js. It provides a robust set of features for building single and multi-page web applications. To use Express.js to develop a web application, you can follow these steps:
- Install Express.js:
npm install express
- Create an Express.js app:
const express = require('express')
const app = express()
- Define routes for your application:
app.get('/', function (req, res) {
res.send('Hello World')
})
- Start the server:
app.listen(3000)
- Open the application in a browser:
http://localhost:3000
The output of the code in step 3 will be Hello World
when the application is opened in a browser.
For more information on using Express.js to develop a web application, see the Express.js documentation.
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