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Union, intersection, difference, and more are coming to JavaScript Sets
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this post was submitted on 20 Feb 2024
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Programming
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Sets are super useful for all sorts of stuff where you want the datatype to guarantee there is only one instance of a value in the collection. UI components where you are incrementally adding things to a selection is a great example.
It's a completely standard feature in many stdlibs and has nothing to with turning JS into a database.