What You'll Learn

The Singleton pattern ensures a class has only one instance and provides a global point of access to it. Learn how to implement and use this fundamental design pattern in JavaScript.

Learning Objectives

  • Understand the Singleton pattern concept
  • Implement Singleton with classes and modules
  • Use Singleton for configuration and state management
  • Recognize when to use (and avoid) Singletons
  • Apply best practices and avoid pitfalls
Difficulty: Intermediate
Duration: 10 minutes
Prerequisites: JavaScript classes, modules

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