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function FrontendChallenge() {const [solution, setSolution] = useState(null);return (<Solution />);}Frontend Interview Questions• Implement a debounce function• Handle Promise timeout• Build a custom React hook• Design a component system• Optimize rendering performance
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Implement your own map function

You need to write your own custom map function to achieve the same behavior as map function.

Memoization

Implement a memo function, which can memoize a function result with the same arguments.

Implement groupBy functionality

Implement a groupBy functionality to group data by specific property.

Parallel task limit

Implement a function called parallelLimit that limits the number of task execution.

Cache with expiration

Implement a cache, which stores key with value and expiration time.

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