⛄ Snowberb ⛄ – 15-39 Jun 25
I do not know how to search this question in google, so I'll write it here. I want to create an array of objects like this:
key being a uuid that I will randomly generate, and all that data comes from another array of objects which is like this:
const savedBets = [{}, {}, {}...]
I've heard of Hash maps but I never used one. Is that the best way to transform savedBets into the structure that I want?9 Replies
I need to have an array of
key: value because I have to create/delete entriesYou can delete entries from objects/Map too, what's the problem with them?
There's no problem
I just don't know what to use
I'd probably recommend Map, good for key-value storage, and easily iterable too
Map is more performant than Object for creation and deletion right?
It's generally better than object but in reality it could be a liiitle bit worse than object too
why worse?
Could be few nanoseconds faster if working with just a few entries, but in general Map is a lot better than object in all the aspects
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