Node.js Installation & Setup | asadmukhtar.info

Node.js Installation & Setup | asadmukhtar.info

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Node.js Installation & Setup

To start using Node.js, you need to install it on your machine. Follow the steps below to install Node.js and set up your development environment.

Step 1: Download Node.js

Go to nodejs.org.
Download the LTS version for stability.

Step 2: Install Node.js

Windows: Run the .msi installer and follow the setup.
macOS: Download the .pkg installer and complete the installation.
Linux: Run the following in the terminal:

sudo apt update
sudo apt install nodejs npm

Step 3: Verify Installation

Check Node.js Version:

node -v

2, Check npm Version:

npm -v

Step 4: Set Up a Node.js Project

Create a project directory:

mkdir my-node-project
cd my-node-project

2. Initialize a project:

npm init -y

3. Create a simple app.js:

console.log("Hello, Node.js!");

4. Run the file:

node app.js

Step 5: Install Packages

To install a package like Express:

npm install express

Create an Express app:

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

app.get('/', (req, res) => res.send('Hello from Express!'));
app.listen(3000, () => console.log('Server running at http://localhost:3000'));

Run the server: