Answer
HOCs are functions that take a component and return an enhanced component. Used for cross-cutting concerns like authentication, logging, and conditional rendering.
Quick Answer
HOCs (Higher-Order Components) are functions that take a component and return a new enhanced component — adding behavior without modifying the original. Used for: auth protection (withAuth(Component)), data fetching, logging, theming. Largely replaced by React hooks (which compose behavior without wrapper components), but still used in some libraries.
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SugharaIQ Editorial Team
Verified Answer
This answer has been peer-reviewed by industry experts holding senior engineering roles to ensure technical accuracy and relevance for modern interview standards.
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Source: SugharaIQ