When implementing an API call to fetch flags, what caching strategy would you use, how would you assess performance, and how would you handle server failures?

Hard Difficulty

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Coding question

Coding questions assess your programming abilities and thought process. Showcase your problem-solving approach, coding style, knowledge of data structures, and ability to write clean, efficient, and maintainable code.

Here's a Hint

Discuss multiple caching approaches (local storage, memory cache, service workers) and explain performance metrics while outlining a robust error recovery strategy.