Why are keys important when rendering lists in React Native?

Problem Statement

Explanation

Keys help React efficiently update lists by identifying which items changed between renders. Without keys, React may re-render items unnecessarily, hurting performance.

Code Solution

SolutionRead Only

data.map(item => <Text key={item.id}>{item.name}</Text>)

Practice Sets

This question appears in the following practice sets:

Components, Props & State Management

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Why are keys important when rendering lists in React Native?

Problem Statement

Explanation

Code Solution

Practice Sets

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Master Interviews Anywhere, Anytime

Why are keys important when rendering lists in React Native?

Problem Statement

Explanation

Code Solution

Practice Sets

Related Questions

What is React Native primarily used for?

Which statement best describes the difference between React and React Native?

Which of the following is NOT a core React Native component?

What does the React Native bridge do?

What is the key difference between state and props in React Native?

More from React Native

Master Interviews
Anywhere, Anytime