<ul><li>Design patterns are battle-tested solutions to common coding problems that help write cleaner, more reusable code.</li><li>Singleton pattern ensures a single source of truth for app-wide settings, reducing duplication and keeping object creation centralized.</li><li>Observer pattern automatically notifies users when new data arrives, improving real-time updates in chat apps and notifications.</li><li>Module pattern hides private variables and exposes only necessary functions, useful for managing sensitive data and keeping code organized.</li></ul>

JavaScript Design Patterns: Write Cleaner Code with These Handy Techniques

Discover more