Run results for: set.has vs. array.includes large 3

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.90 Safari/537.36

Browser: Chrome 89

Operating system: Windows

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
includes	9354762.0 Ops/sec
lookup	11965823.0 Ops/sec

Script Preparation code:

var a = [];
for(let i = 0; i < 2000; i++){
  a.push(i);
}
var b = new Set(a)

AخA
 
var a = [];for(let i = 0; i < 2000; i++){  a.push(i);}var b = new Set(a)

Tests: