In modern software development, event-driven architectures have become one of the most powerful ways to build scalable, decoupled, and responsive systems. Instead of relying on direct calls between components, event-driven systems communicate through...

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Comprehensive guide covering event-driven architectures in JavaScript, from fundamentals like the event loop and EventEmitter to advanced patterns including pub/sub, microservices communication, CQRS, and event sourcing. Explores implementation across both Node.js backend and browser frontend, including real-time communication with WebSockets and SSE. Discusses architectural benefits like scalability and loose coupling alongside challenges such as debugging complexity and eventual consistency.

Event-Based Architectures in JavaScript: A Handbook for Devs

2. Fundamentals of the Event Model in JavaScript

3. Publisher–Subscriber (Pub/Sub) Pattern

5. Event-Driven Microservices Architecture

7. Event Sourcing and CQRS (Command Query Responsibility Segregation)