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

Run details:

User agent: Mozilla/5.0 (iPad; CPU OS 17_7_5 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/134.0.6998.99 Mobile/15E148 Safari/604.1

Browser: Chrome Mobile iOS 134

Operating system: iOS 17.7.5

Device Platform: Tablet

Date tested: one year ago

lookup

325.2M/s

includes

23.8M/s

View exact numbers

Test name	Executions per second
✓ lookup	325,224,832 Ops/sec
includes	23,802,898 Ops/sec

Script Preparation code:

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

Tests: