What is key in react

Keys help React identify which items have changed, are added, or are removed. Keys should be given to the elements inside the array to give the elements a stable identity: const numbers = [1, 2, 3, 4, 5]; const listItems = numbers.

Similar codes

-2 votes124 views1 answer
Reactsj substring
Javascript React
0 vote124 views1 answer
React call component state
Javascript React
0 vote118 views1 answer
React native charts style gradiant
Javascript React
1 vote125 views1 answer
Sort function in react js
Javascript React
0 vote124 views1 answer
React firebase add doc to collection
Javascript React
2 votes130 views4 answers
Update react
Javascript React
0 vote135 views1 answer
React native add bottom tab and drawer menu
Javascript React
0 vote125 views1 answer
Compass in react js
Javascript React
0 vote128 views2 answers
Reactjs hello world
Javascript React
2 votes129 views1 answer
React native navigation hide navbar
Javascript React