How to create a web server using nodejs

You can create a web server in Node.js by following these steps: Install Node.js. Create package.json file. Install the Express framework. Create JavaScript files and define servers. Run the server. Visit http://localhost:3000 to view the results.

How to create a Web server using Node.js

To create your own Web server using Node.js, you can Follow these steps:

1. Install Node.js

First, make sure Node.js is installed on your system. It can be installed through the following command:

<code>npm install -g nodejs</code>

2. Create a package.json file

Use the following command to create a package.json file:

<code>npm init -y</code>

This The package.json file will be created, which is the configuration file for the Node.js project.

3. Install Express

Express is a popular Node.js web framework. Install it using the following command:

<code>npm install express</code>

4. Create a JavaScript file

Create a JavaScript file to define the server. This file can be named index.js.

5. Define the server

In the index.js file, create a server using Express. The following is sample code:

const express = require('express');

const app = express();

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

app.listen(3000, () => {
  console.log('Server listening on port 3000');
});

6. Run the server

Use the following command to run the server:

<code>node index.js</code>

7. Access the Web server

Now, you can access your web server. Open http://localhost:3000 in your browser. You should see the "Hello World!" message.

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