Benchmark: array.includes vs array.indexOf vs set.has vs weakSet.has

Script Preparation code:

var array = []
var set = new Set()
var weakSet = new WeakSet()

var target = {}

let i = 100
while (i--) {
    array.push({})
	set.add({})
    weakSet.add({})
}

array.push(target)
set.add(target)
weakSet.add(target)

Tests:

array.includes
array.includes(target)
array.indexOf
array.indexOf(target)
set.has
set.has(target)
weakSet.has
weakSet.has(target)

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
array.includes
array.indexOf
set.has
weakSet.has

Fastest: N/A

Slowest: N/A

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Latest run results:

Run details: (Test run date: 10 months ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36 Edg/114.0.1823.43

Browser/OS: Chrome 114 on Mac OS X 10.15.7

View result in a separate tab

Test name	Executions per second
array.includes	7769462.0 Ops/sec
array.indexOf	7827951.0 Ops/sec
set.has	8893302.0 Ops/sec
weakSet.has	8865175.0 Ops/sec

array.includes vs array.indexOf vs set.has vs weakSet.has (version: 0)

Comparing performance of: array.includes vs array.indexOf vs set.has vs weakSet.has

Created: 11 months ago by: Registered User

Jump to the latest result

array.includes

array.indexOf

set.has

weakSet.has

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A