Which of the following best defines the “key” prop?
Admin Staff asked 2 years ago
Which of the following best defines the “key” prop?
a) “Key” prop is used to look pretty, and there is no benefit whatsoever.
b) “Key” prop is a way for React to identify a newly added item in a list and compare it during the “diffing” algorithm.
c) It is one of the attributes in HTML.
d) It is NOT commonly used in an array.