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What is React Context API?

Context API is a React feature that allows sharing data across components without prop drilling.

It is useful for:

  • Authentication
  • Theme management
  • User preferences
  • Global settings

Components:

  1. createContext
  2. Provider
  3. useContext

Benefits:

  • Cleaner code
  • Global state sharing
  • Reduced prop drilling

Related Drills

What is the Virtual DOM and how does React use it to render pages?

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Explain the difference between useEffect hooks and useLayoutEffect hooks.

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What is the Virtual DOM in React?

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JB

Jeevan Bhargav

Audited by Creator

This answer is calibrated for technical interviews. Verify benchmarks in local sandboxes before deploying.