Run results for: Array.includes vs Set.has vas Map.has

Run details:

User agent: Mozilla/5.0 (Android 12; Mobile; rv:123.0) Gecko/123.0 Firefox/123.0

Browser: Firefox Mobile 123

Operating system: Android

Device Platform: Mobile

Date tested: 2 years ago

Set has

691.4M/s

Map has

691.1M/s

Array includes

27.2M/s

View exact numbers

Test name	Executions per second
✓ Set has	691,408,128 Ops/sec
Map has	691,083,136 Ops/sec
Array includes	27,209,862 Ops/sec

Script Preparation code:

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

Tests:

Array includes
return a.includes(9);
Set has
return b.has(9);
Map has
return c.has(9);