Run results for: set.has vs. array.includes (1 million entries)

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/110.0.0.0 Safari/537.36

Browser: Chrome 110

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
array.includes	19075298.0 Ops/sec
set.has	19347754.0 Ops/sec

Script Preparation code:

var a = [];
for(let i = 0; i < 1000000; i++) {
  a.push(i);
}
var b = new Set(a)

Tests: