Run results for: array.includes vs set.has for medium n

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/136.0.0.0 YaBrowser/25.6.0.0 Safari/537.36

Browser: Yandex Browser 25

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

set has

189.2M/s

array includes

16.0M/s

View exact numbers

Test name	Executions per second
✓ set has	189,191,376 Ops/sec
array includes	15,967,539 Ops/sec

Script Preparation code:

var a = Array.from({ length: 1000 }, (_, i) => i)
var b = new Set(a)

Tests: