Run results for: Javascript IndexOf vs Include vs map v2

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36

Browser: Chrome 123

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

Benchmark engine: Benchmark.js

Set

28.0M/s

Includes

27.8M/s

IndexOf

11.0M/s

Map

9.9M/s

View exact numbers

Script Preparation code:

var arr = [32, 37, 38, 39, 40];
var map = {};
var s = new Set();
for (const key of arr) {
  map[key] = true;
  s.add(key);
}

Tests: