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Test yourself: Top 30 easy React & Next.js interview questions →Multiple choice, with the correct answer and why it is correct on every question. Free, no sign-in.

Easy everything in React & Next.js, page 5

React interview cheatsheet: hooks rules in 60 seconds
easy2 min read

React interview cheatsheet: hooks rules in 60 seconds

The rules of hooks exist because React identifies each hook by call order, not by name. Call hooks only at the top level of a component or custom hook, never inside a loop, condition, or nested function, or state attaches to the wrong hook.

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