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What are the new hooks introduced in React 18?

An example of an AI chatbot conversation about new hooks in React 18.

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You

What are the new hooks introduced in React 18?

MagicBuddy
MagicBuddy

React 18 introduced several new hooks, including useTransition, useDeferredValue, and useId. These hooks help manage concurrent rendering and improve performance.

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You

Can you explain how useTransition works?

MagicBuddy
MagicBuddy

Certainly! useTransition allows you to mark updates as non-urgent. It helps in managing state updates that can be deferred, improving user experience during heavy rendering.

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You

What about useDeferredValue?

MagicBuddy
MagicBuddy

useDeferredValue lets you defer a value to avoid blocking the main thread. It’s useful for scenarios where you want to keep the UI responsive while processing heavy computations.

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You

Are there any examples of using these hooks?

MagicBuddy
MagicBuddy

Yes! For useTransition, you can wrap state updates in a transition function. For useDeferredValue, you can use it to defer a search input value while keeping the UI responsive.

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