Real-Time Customer Facing Display using Web Presentation API & JavaScript Hooks

🚀 Learn how to build a high-performance, real-time Customer Facing Display (CFD) for a Point of Sale (POS) system completely offline and serverless using the native Web Presentation API and JavaScript LocalStorage hooks. In this video, I demonstrate a seamless architectural pattern where the cashier's actions instantly sync with a secondary monitor without overloading the backend database or relying on internet-dependent WebSockets (like Pusher or Redis). 📄 Read the full step-by-step engineering breakdown on Medium: https://medium.com/@premodsuraweera1/building-a-real-time-customer-facing-display-in-laravel-pos-using-the-web-presentation-api-5cee5d25016c 💡 Key Concepts Covered: 1. Initializing native browser PresentationRequest. 2. Managing connection lifecycles (onconnect, onclose). 3. Securely streaming cart data from LocalStorage. 4. Overriding the browser's native localStorage.setItem method to create automatic event listeners. 5. Graceful fallbacks for unsupported browsers. 🛠️ Tech Stack: JavaScript, Web Presentation API, Laravel, Vue.js. If you found this helpful, don't forget to Like, Share, and Subscribe for more advanced web engineering patterns! #Laravel #JavaScript #WebAPI #WebDevelopment #PointOfSale #FrontendArchitecture #CodingSriLanka