.jpg "ARUN GOEL")
Overview
Detect Adblock on Your Web Page, Save Your Users from Running Away
LAB
Spice up your Web App with Animation using Lottie 🔥
LAB
Node.js, npm, npx, yarn - huh?
LAB
Email Template using Tailwind CSS
LAB
Express: Back-End Framework
Express is a Node.js framework. Rather than writing the code using Node.js and creating loads of Node modules, Express makes it simpler and easier to write the back-end code. Express helps in designing great web applications and APIs. Express supports many middlewares which makes the code shorter and easier to write.
Why use Express?
- Asynchronous and Single-threaded.
- Effecient, fast & scalable
- Has the biggest community for Node.js
- Express promotes code reusability with its built-in router.
- Robust API
Follow the steps:
- Create a new folder to start your express project and type below command in the command prompt to initialize a package.json file. Accept the default settings and continue.
npm init
- Then install express by typing the below command and hit enter. Now finally create a file inside the directory named index.js.
npm install express --save
- Now type in the following in index.js to create a sample server.
const express = require('express'),
http = require('http');
const hostname = 'localhost';
const port = 8080;
const app = express();
app.use((req, res) => {
console.log(req.headers);
res.statusCode = 200;
res.setHeader('Content-Type', 'text/html');
res.end('<html><body><h1>This is a test server</h1></body></html>');
});
const sample_server = http.createServer(app);
sample_server.listen(port, hostname, () => {
console.log(`Server running at http://${hostname}:${port}/`);
});
- Update the “scripts” section in package.json file
- Then to start the server by running the below command
npm start- Now you can open the broswer and get the output of the running server.
7