Run results for: IndexOf vs Includes vs lodash includes vs Set

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.0 Safari/537.36

Browser: Chrome 135

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

Set

34.6M/s

IndexOf

22.1M/s

Includes

21.2M/s

lodash

6.3M/s

View exact numbers

Test name	Executions per second
✓ Set	34,640,772 Ops/sec
IndexOf	22,072,408 Ops/sec
Includes	21,155,258 Ops/sec
lodash	6,265,600 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', 'sausage', 'jesus', 'ENTITY', 'THING', 'SOLID_THING', 'FLUIDO', 'PIEZA', 'PIEZA_ELECTRICA', 'PIEZA_MECANICA', 'CODIGO', 'SISTEMA', 'INDICADOR_DE_ERROR', 'PROP', 'FUNCIONALIDAD'];
var s = new Set(array);

Tests:

IndexOf
array.indexOf('sausage') !== 1
Includes
array.includes('sausage')
lodash
_.includes(array, 'sausage')
Set
s.has('sausage')

Run results for: IndexOf vs Includes vs lodash includes vs Set

Banana

IndexOf

Includes

lodash

Set