array find vs set has (v2)

Revision 2 of this benchmark created on

Description

which works best for checking if an object with a particular id has been received before?

Setup

const itemsArray = [];
const itemsSet = new Set();
for (let i = 0; i < 5000; i++) {
	itemsArray.push({ id: String(i) })
	itemsSet.add(String(i))
}

Test runner

Ready to run.

Testing in
TestOps/sec
Array Find
itemsArray.find(item => item.id === "4999")
ready
Set has
itemsSet.has('4999')
ready

Revisions

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