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

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 16_6 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.6 Mobile/15E148 Safari/604.1

Browser: Mobile Safari 16

Operating system: iOS 16.6

Device Platform: Mobile

Date tested: 2 years ago

lookup

18.2M/s

includes

12.7M/s

View exact numbers

Test name	Executions per second
✓ lookup	18,230,530 Ops/sec
includes	12,692,800 Ops/sec

Script Preparation code:

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

Tests: