In this video, I'm gonna tell you why you should never use index as the key. in React Lists.
You may have heard about it already from other developers that it is not recommended to use the index (or indices) of the item in the array as the key prop when looping over an Array to render a list of items. But if you do it, you'll see that there is literally no issue in doing so. But then...why is it not recommended? Let me show you with an example of why it is bad to use indices as keys in a React app.
Code Repo:
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