This marketplace application provides a complete e-commerce experience with user authentication, product listings, shopping cart, multi-language support, and hybrid storage options. Built with vanilla JavaScript, HTML, and CSS, this application works directly in the browser without requiring a backend server.

• Local or cloud-based authentication system
• User registration and login system
• User profiles with avatar uploads
• Profile management with personal information editing
• User statistics (listings count, reviews, member since)

• Complete CRUD operations for products
• Product categories with visual tiles
• Image upload and management
• Product search and filtering
• Stock management
• Product variants (size, color, etc.)
• Product reviews and ratings

• Favorites/wishlist system
• Shopping cart functionality
• Order history tracking
• Comments and reviews on products

• Support for 3 languages: Azerbaijani (AZ), English (EN), Russian (RU)
• Dynamic language switching
• Internationalization with data-i18n attributes

• Responsive design for all devices
• Dark mode support
• Category-based product browsing
• Advanced search with filters
• Location-based filtering
• Modal-based interactions

• Local storage (default): Store data in browser's localStorage
• Cloud storage (optional): Store data in Firebase for cross-device access

• Dynamic language switching between AZ, EN, RU
• All text elements support internationalization
• Persistent language preference

• Electronics, Books, Clothing, Home & Gardenrden
• Services, Transport, Sports, Personal Items
• Animals, Medical Products

• Responsive design for mobile and desktop
• Dark mode toggle
• Advanced search and filtering
• Modal-based interactions

• Data is stored in the browser's localStorage
• Works offline and without any additional setup
• Data is limited to the current browser
• Clearing browser data will erase all information

• Cross-device data synchronization
• User authentication with Firebase Auth
• Data persistence even if browser data is cleared
• Profile and product data stored in Firestore
• Avatar images stored in Firebase Storage

• Hybrid authentication system (localStorage or Firebase)
• User profile management
• Session persistence across page reloads
• User role management

• Full CRUD operations
• Image upload support
• Product variants (size, color)
• Inventory tracking
• Category organization

• Text-based search
• Category filtering
• Price range filtering
• Location-based filtering
• Sort by date, price, popularity

To enable cloud storage functionality with Firebase:

1. Create a Firebase project at firebase.google.com
2. Enable Authentication (email/password) in the Firebase console
3. Set up Firestore Database with appropriate security rules
4. Create a Storage bucket for images
5. Register a web app in your Firebase project
6. Copy your Firebase configuration
7. Edit config.js and update the Firebase configuration:

// Application Configuration

const appConfig = {
     // Set to true to enable cloud storage, false to use localStorage only
     useCloudStorage: true,
    
      // Firebase configuration
     firebase: {
         apiKey: "YOUR_API_KEY",
         authDomain: "your-project.firebaseapp.com",
         projectId: "your-project-id",
         storageBucket: "your-project.appspot.com",
         messagingSenderId: "your-sender-id",
         appId: "your-app-id"
     }

};

This application is a static website that can be served with any HTTP server. Here are a few options:

# Navigate to the project directory

cd path/to/marketplace


# Start the server on port 8000
python -m http.server 80000

# Install http-server if not already installed
npm install -g http-server



# Navigate to the project directory

cd path/to/marketplace


# Start the server
http-server -p 80000

Then open your browser and go to: http://localhost:8000

1. Push your repository to GitHub
2. Go to Settings > Pagesges
3. Select the branch to deploy (usually main or master)
4. Click Save

Your site will be available at https://your-username.github.io/marketplace/

1. Fork the repository
2. Create your feature branch (git checkout -b feature/AmazingFeature)
3. Commit your changes (git commit -m 'Add some AmazingFeature')
4. Push to the branch (git push origin feature/AmazingFeature)
5. Open a Pull Request

This project is licensed under the MIT License - see the LICENSE file for details.

• Image uploads are limited to 5MB
• Real-time features require stable internet connection
• Some features require JavaScript enabled

• Payment gateway integration (Stripe/PayPal)
• Email notifications
• Advanced analytics dashboard
• Mobile app development
• Shipping integration
• Multi-vendor support
• Advanced product filtering
• Order tracking system

• Built with modern web technologies
• Inspired by popular marketplace platforms like Avito
• Thanks to all contributors and the open-source community