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

Run details:

User agent: Mozilla/5.0 (iPad; CPU OS 17_7_5 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/134.0.6998.99 Mobile/15E148 Safari/604.1

Browser: Chrome Mobile iOS 134

Operating system: iOS 17.7.5

Device Platform: Tablet

Date tested: one year ago

Set has

338.9M/s

Map has

250.9M/s

Array includes

23.8M/s

View exact numbers

Test name	Executions per second
✓ Set has	338,897,824 Ops/sec
Map has	250,868,272 Ops/sec
Array includes	23,845,488 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);