expressjsHow do I use Express.js methods to develop a web application?
Express.js is a web application framework for Node.js that allows you to easily create web applications with minimal coding. You can use Express.js methods to develop a web application by following these steps:
- Install Express.js by running
npm install express
in the command line. - Create an Express.js application by running
const app = express()
in the code. - Define routes with
app.get()
orapp.post()
methods. - Use the
app.use()
method to define middleware. - Use the
app.listen()
method to start the server.
Example code
const express = require('express');
const app = express();
app.get('/', (req, res) => {
res.send('Hello World!');
});
app.listen(3000, () => {
console.log('Server started on port 3000');
});
Output example
Server started on port 3000
Links:
More of Expressjs
- How do I download a zip file using Express.js?
- How do I use adm-zip with Express.js?
- How can I use express-zip js to zip and download files?
- How can I use Express.js to generate a zip response?
- How can I set up X-Frame-Options in ExpressJS?
- How do I use the expressjs urlencoded middleware?
- How do I use Yarn to add Express.js to my project?
- How can I use Express.js to enable CORS?
- How do I set the time zone in Express.js?
- How do I find Express.js tutorials on YouTube?
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