Run results for: Array vs Set inclusion - 2 - MeasureThat.net

Run details:

User agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:89.0) Gecko/20100101 Firefox/89.0

Browser: Firefox 89

Operating system: Ubuntu

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
Array - 1	39235430.0 Ops/sec
Array - 2	94781450.0 Ops/sec
Set - 1	1353985.0 Ops/sec
Set - 2	1309810.0 Ops/sec
Set only - 1	65054930.0 Ops/sec
Set only - 2	63578250.0 Ops/sec

Website performance monitoring

Script Preparation code:

var arrToCheck = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
var setToCheck = new Set(arrToCheck)

Tests:

Array - 1
arrToCheck.includes(10)
Array - 2
arrToCheck.includes(1)
Set - 1
var s = new Set(arrToCheck) s.has(10)
Set - 2
var s = new Set(arrToCheck) s.has(1)
Set only - 1
setToCheck.has(10)
Set only - 2
setToCheck.has(1)