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

Run details:

User agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:140.0) Gecko/20100101 Firefox/140.0

Browser: Firefox 140

Operating system: Ubuntu

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

Set.has

1244.8M/s

Map.has

1199.8M/s

Array.find

40.2M/s

Array.includes

28.2M/s

View exact numbers

Script Preparation code:

var a = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10];
var b = new Set(a)
var c = new Map();
a.forEach(x => c.set(x, x)) // just for test.

Tests: