You are given a task to optimize a large list rendering in a React application. Which concept would you apply to ensure only changed items are re-rendered?
- Index-based rendering
- Key prop
- Memoization
- Virtual DOM
To optimize large list rendering in React and ensure that only changed items are re-rendered, you should use the key prop. The key prop uniquely identifies each element in the list, allowing React to efficiently update and re-render only the necessary items when the list changes.
Loading...
Related Quiz
- When using useState, to persist the same state across renders without causing re-renders, you can use the ________.
- In the context of React, what would be a potential drawback of overusing Web Workers?
- sWhat are HOC factory implementations?
- When fetching data from an API, the ________ pattern in React helps handle loading, error, and success states efficiently.
- What is React Dev Tools?