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

Run details:

User agent: Mozilla/5.0 (Linux; Android 12; SAMSUNG SM-G973F) AppleWebKit/537.36 (KHTML, like Gecko) SamsungBrowser/20.0 Chrome/106.0.5249.126 Mobile Safari/537.36

Browser: Chrome Mobile 106

Operating system: Android

Device Platform: Mobile

Date tested: 2 years ago

includes

9.9M/s

lookup

9.6M/s

View exact numbers

Test name	Executions per second
✓ includes	9,855,527 Ops/sec
lookup	9,563,482 Ops/sec

Script Preparation code:

var a = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10];
var b = new Set(a)

Tests:

includes
return a.includes(9)
lookup
return b.has(9)