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re: Using Javascript Sets with React useState VIEW POST

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re: Hi, I am not saying Set should be the only thing used in this case. I am just saying it can be done using this way too. You are free to use whateve...

With Set you don't have to implement duplication control manually, it provides it to you for free. If you add the same value for the second time, Set will just ignore it, while with Array you'll have the duplicate and you'll have to add more code to handle this case.

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