Run results for: array indexOf vs includes vs some vs set.has vs set.has converted

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.36

Browser: Chrome 133

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

Set

169.5M/s

Some

75.1M/s

Includes

60.0M/s

IndexOf

59.9M/s

Set converted

3.3M/s

View exact numbers

Test name	Executions per second
✓ Set	169,479,968 Ops/sec
Some	75,102,880 Ops/sec
Includes	59,989,544 Ops/sec
IndexOf	59,941,284 Ops/sec
Set converted	3,325,960 Ops/sec

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')
Set converted
set2 = new Set(array); set2.has('sausage')

Run results for: array indexOf vs includes vs some vs set.has vs set.has converted

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

IndexOf

Includes

Some

Set

Set converted