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What is Hydration in React?

Hydration is the process that occurs after server-side rendered HTML reaches the browser. React attaches event listeners and restores interactivity to the static HTML without recreating the entire DOM. Hydration allows applications to benefit from fast initial rendering while maintaining full client-side React functionality.

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

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