Run results for: Set vs Array for unique list (convert set to array)2

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:132.0) Gecko/20100101 Firefox/132.0

Browser: Firefox 132

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

Set

19K/s

Unique Array

2K/s

View exact numbers

Test name	Executions per second
✓ Set	19,075 Ops/sec
Unique Array	2,430 Ops/sec

Script Preparation code:

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

Tests:

Unique Array
var b = []; a.forEach(x => { if (!b.includes(x)) b.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);