Run results for: Set vs Filter for unique

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 17_6 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/129.0.6668.69 Mobile/15E148 Safari/604.1

Browser: Chrome Mobile iOS 129

Operating system: iOS 17.6

Device Platform: Mobile

Date tested: one year ago

Set spread

1.4M/s

Array from set

1.3M/s

Filter

745K/s

View exact numbers

Test name	Executions per second
✓ Set spread	1,403,674 Ops/sec
Array from set	1,317,339 Ops/sec
Filter	744,791 Ops/sec

Script Preparation code:

var array = Array.from({length: 40}, () => Math.floor(Math.random() * 140));

Tests:

Set spread
const f = [... new Set(array)]
Array from set
const s = new Set(array) const l = Array.from(s)
Filter
const b = array.filter((i,index) => array.indexOf(i)=== index)