Hard Difficulty
Hard questions require advanced understanding and critical thinking. Here, your problem-solving skills are key, as these questions often involve complex scenarios needing in-depth analysis and well-structured responses.
Frontend System Design question
Frontend System Design questions test your ability to architect scalable user interfaces. Show how you approach component design, state management, performance optimization, and create maintainable front-end architectures.
Here's a Hint
Consider how to handle the DOM manipulation, state management, and event delegation as the number of buttons increases. Discuss optimization strategies for performance.
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