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React
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React · Interview Question

How does React handle memory cleanup in useEffect()?

Detailed answer, explanation and code for this interview question. Ideal for React interview preparation, coding rounds and viva questions.

Difficulty: MediumType: Subjective

Question Overview

Subject

React

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Asked in Companies

Problem Statement

How does React handle memory cleanup in useEffect()?

Explanation

React cleans up side effects automatically when a component unmounts or before the effect runs again. Returning a cleanup function inside useEffect prevents memory leaks.

Practice Sets

This question appears in the following practice sets:

Components, Props & State

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How does React handle memory cleanup in useEffect()? - React | Preplance Interview Prep | Preplance

Master Interviews
Anywhere, Anytime

How does React handle memory cleanup in useEffect()?

Problem Statement

Explanation

Practice Sets

Related Questions

What is React and who created it?

What are the main features of React?

Explain the scope and growth of React in the web development ecosystem.

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Master Interviews Anywhere, Anytime

How does React handle memory cleanup in useEffect()?

Problem Statement

Explanation

Practice Sets

Related Questions

What is React and who created it?

What are the main features of React?

Explain the scope and growth of React in the web development ecosystem.

What are the advantages of using React?

What are the limitations of React?

More from React

Master Interviews
Anywhere, Anytime