Courses - https://learn.codevolution.dev/
Support UPI - https://support.codevolution.dev/
Support PayPal - https://www.paypal.me/Codevolution
Github - https://github.com/gopinav
Follow Codevolution
+ Twitter - https://twitter.com/CodevolutionWeb
+ Facebook - https://www.facebook.com/codevolutionweb
Business -
[email protected]A “key” is a special string attribute you need to include when creating lists of elements.
Keys give the elements a stable identity.
Keys help React identify which items have changed, are added, or are removed.
This results in a much more efficient update of the user interface.