There is a lot of value when using a Set over an Array.
I learned yesterday that Set#has(item) performs an O(log n) algorithm to determine if the value exists in it. I was able to get a small speed increase in my javascript for it.
It's entirely possible I learned wrong! I took the statement at face value, knowing I couldn't verify it myself. If that's the case, then I'm really happy I use Set all the time now.
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There is a lot of value when using a
Setover anArray.I learned yesterday that
Set#has(item)performs anO(log n)algorithm to determine if the value exists in it. I was able to get a small speed increase in my javascript for it.Good article!
AFAIK,
Set.hasimplementation in V8 is really fast - it hasO(1)time complexity.It's entirely possible I learned wrong! I took the statement at face value, knowing I couldn't verify it myself. If that's the case, then I'm really happy I use Set all the time now.