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

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.0 Safari/537.36

Browser: Chrome 135

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

lookup

84.9M/s

includes

40.8M/s

View exact numbers

Test name	Executions per second
✓ lookup	84,940,648 Ops/sec
includes	40,831,568 Ops/sec

Script Preparation code:

var a = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10];
var b = new Set(a)

Tests: