Did you know that keys play a crucial role in React when working with lists? In this article, we'll dive into the importance of keys and common mistakes developers should avoid. Keys serve as unique identifiers for elements in a list, helping React optimize rendering performance and maintain correct state. Without keys, React may re-render the entire list, leading to performance issues.

Source: https://dev.to/sonaykara/understanding-the-key-property-in-react-common-mistakes-4ihf