How do I set up an Express.js server?

How do I set up an Express.js server?

To set up an Express.js server, first, ensure you have Node.js installed. Then, create a new directory for your project.

What do I do after creating the project directory?

Next, navigate to your project directory in the terminal and run npm init -y to create a package.json file.

How do I install Express.js?

You can install Express.js by running npm install express in your terminal.

Can you show me a basic server code?

Sure! Here's a simple example:

const express = require('express');
const app = express();

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

app.listen(3000, () => {
  console.log('Server is running on http://localhost:3000');
});