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

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.4 Safari/605.1.15

Browser: Safari 18

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

lookup

627.7M/s

includes

201.6M/s

View exact numbers

Test name	Executions per second
✓ lookup	627,682,816 Ops/sec
includes	201,611,408 Ops/sec

Script Preparation code:

var a = ['abc', 'def'];
var b = new Set(a)

Tests: