JavaScript Design Patterns Questions and Answers
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1. Describe the purpose and benefits of using the Singleton design pattern.
2. Explain the Factory Method design pattern and how it differs from the Abstract Factory pattern.
3. Describe the advantages and disadvantages of using the Observer design pattern.
4. Explain the purpose of the Strategy design pattern and how it promotes code reusability and flexibility.
5. Describe how the Decorator design pattern can be used to extend the functionality of objects without modifying their class.
6. Explain the purpose of the Adapter design pattern and how it helps in making incompatible interfaces work together.
7. Describe the advantages and disadvantages of using the Bridge design pattern for decoupling an abstraction from its implementation.
8. Explain how the Composite design pattern allows for the creation of hierarchical structures of objects.
9. Describe the purpose of the Command design pattern and how it can be used to encapsulate and manage user actions.
10. Explain the concept of the Interpreter design pattern and how it can be used to evaluate different expressions.
11. Describe the purpose of the Mediator design pattern and how it helps in simplifying communication between objects.
12. Explain how the Memento design pattern can be used to restore an object to a previous state.
13. Describe the purpose of the Observer design pattern and how it enables objects to respond to changes in other objects.
14. Explain how the Prototype design pattern can be used to create new objects by cloning an existing object.
15. Describe the purpose of the Proxy design pattern and how it can be used to control access to an object.
16. Explain how the Singleton design pattern can be used to ensure that only one instance of a class is created.
17. Describe the purpose and benefits of using the Strategy design pattern.
18. Explain the purpose and benefits of using the Template Method design pattern.
19. Describe the Template Method design pattern and explain how it promotes code reuse and flexibility.