What is Express.js? How does it relate to Node.js?

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Khushi Singh · Answer

Express.js functions as an unopinionated, minimalist web application framework that rapidly processes
Node.js server requirements. Through its powerful feature set, Express.js simplifies up development of server-side applications and APIs that manage HTTP requests and routing functions together with middleware capabilities.
Web developers benefit from the Node.js basic building blocks such as HTTP servers together with event management but find no defined structure or convenience features built into the system. Express.js uses
Node.js architecture to provide developers simpler methods for developing extendable and sustainable web applications.
Key Features of Express.js
Through routing, it becomes simple to manage various URL routes.
and The platform supports middleware which enables users to run functions sequentially for purposes including authentication as well as logging.
and Server creation becomes easier because Express.js reduces the amount of standard code needed to handle requests alongside responses.
and The system integrates effortlessly with database systems along with templating platforms.
How Express.js Relates to Node.js
Express.js implements its operations through the Node.js programming language. The program uses Node's HTTP module, yet it delivers a streamlined yet advanced API.
and Express.js functions as an extension which builds upon Node.js to enhance development speed along with efficiency.
and Running Express.js applications through Node.js depends on the 
JavaScript programming language within the same environment.
Example
const express = require('express');
const app = express();
app.get('/', (req, res) =andgt; {
 res.send('Hello from Express!');
});
app.listen(3000, () =andgt; {
 console.log('Server is running on port 3000');
});
Node.js functions as the runtime while Express.js serves as an application framework to simplify web development at Node.js.
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What is Express.js? How does it relate to Node.js?

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