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

3 votes400 views3 answers
React change url params
Javascript React
0 vote380 views1 answer
React Native Segmented Control Tab
Javascript React
5 votes370 views2 answers
Lazy loading react
Javascript React
2 votes388 views1 answer
React select with custom option
Javascript React
0 vote415 views1 answer
Localhost server in react native
Javascript React
1 vote450 views1 answer
React native text capitalize
Javascript React
0 vote377 views1 answer
React 10 to 1 with step -2 (odd numbers between [1..10] inverted order)
Javascript React
50 votes339 views6 answers
Yarn create react app
Javascript React
1 vote391 views1 answer
React material ui input max length
Javascript React
0 vote372 views1 answer
React native set variable key in loop
Javascript React