Run results for: Javascript Set vs Filter

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.0.0 Safari/537.36

Browser: Chrome 134

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

Array Set

2/s

Filter

1/s

View exact numbers

Test name	Executions per second
✓ Array Set	2 Ops/sec
Filter	1 Ops/sec

Script Preparation code:

var A = Array.from({length: 40000000}, () => Math.floor(Math.random() * 140));
var B = Array.from({length: 40000000}, () => Math.floor(Math.random() * 140));

Tests:

Filter
var C = A.filter((a) => !B.includes(a));
Array Set
var C = [...new Set(A,B)];