Run results for: array.includes vs. set.has on the fly

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36

Browser: Chrome 131

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

includes

2.9M/s

lookup

710K/s

View exact numbers

Test name	Executions per second
✓ includes	2,943,542 Ops/sec
lookup	709,636 Ops/sec

Script Preparation code:

var a = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10];

Tests: