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

HTML Preparation code:


<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>

Script Preparation code:

var array = ['banana','test0','test1','test2','test3','test4','test5','test6','test7','test8','test9','test10','sausage', 'jesus'];
var set = new Set(array)

Tests:

IndexOf
array.indexOf('sausage') !== 1
Includes
array.includes('sausage')
Some
array.some(v => v === 'sausage')
Set
set.has('sausage')

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
IndexOf
Includes
Some
Set

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: one year ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.0 Safari/537.36

Browser/OS: Chrome 135 on Mac OS X 10.15.7

View result in a separate tab

Set

271.5M/s

Some

107.9M/s

Includes

87.9M/s

IndexOf

86.9M/s

View exact numbers

Test name	Executions per second
✓ Set	271,549,248 Ops/sec
Some	107,899,824 Ops/sec
Includes	87,857,544 Ops/sec
IndexOf	86,869,584 Ops/sec

array indexOf vs includes vs some vs set.has (version: 1)

performance comparison of ways to find if an array contains a value

Comparing performance of: `IndexOf vs Includes vs Some vs Set`

Created: one year ago by: Guest

Go to the latest result

IndexOf

Includes

Some

Set

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

array indexOf vs includes vs some vs set.has (version: 1)

performance comparison of ways to find if an array contains a value

Comparing performance of: IndexOf vs Includes vs Some vs Set

Created: one year ago by: Guest

Go to the latest result

IndexOf

Includes

Some

Set

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

Related benchmarks

Comparing performance of: `IndexOf vs Includes vs Some vs Set`