Run results for: Set vs Array for unique list (convert set to array)

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36

Browser: Chrome 120

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

Benchmark engine: Benchmark.js

Set

20K/s

Unique Array

8K/s

View exact numbers

Test name	Executions per second
✓ Set	20,434 Ops/sec
Unique Array	8,371 Ops/sec

Script Preparation code:

var a = Array(1000).fill(null).map((a, b) => b);

Tests:

Unique Array
var b = []; a.forEach(x => { if (!a.includes(x)) a.push(x); }); a.map(x => x);
Set
var c = new Set(); a.forEach(x => c.add(x)); var b = Array.from(a); b.map(x => x);