Run results for: set.has vs. array.includes (10000 items)

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.88 Safari/537.36

Browser: Chrome 100

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
includes	184721.0 Ops/sec
lookup	11851295.0 Ops/sec

Script Preparation code:

var a = new Array(10000).fill(0).map((x, i) => i)
var b = new Set(a)

Tests: