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

Run details:

User agent: Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.107 Safari/537.36

Browser: Chrome 87

Operating system: Windows 8.1

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
includes	3819265.0 Ops/sec
lookup	3599255.0 Ops/sec

Script Preparation code:

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

Tests: