Q71 - React Js Interview Question | Keys in React | #reactjs #frontend #javascript #webdevelopment
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YouTubeTech Interviews Hub
Q71 - React Js Interview Question | Keys in React | #reactjs #frontend #javascript #webdevelopment
In this video, we test a simple React scenario: What happens if you give the SAME key to two different elements? React will still render both elements on the screen, but it also shows a warning in the console because keys must be unique. Keys help React identify which element should update, so using the same key can confuse React during re ...
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