What is the significance of keys in React?
Keys help React identify which items have changed, are added, or are removed.
Example:
const numbers = [1, 2, 3, 4, 5];
const listItems = numbers.map((number) =>
<li key={number.toString()}>
{number}
</li>
);
One of the tricky aspects I've f...
hashnode.com2 min read
Edward Mike
Nothing
Great content 👌