Run results for: Set vs Filter for unique

Run details:

User agent: Mozilla/5.0 (Linux; Android 14; SM-A256E Build/UP1A.231005.007; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/131.0.6778.135 Mobile Safari/537.36 Line/14.21.1/IAB

Browser: Chrome Mobile 131

Operating system: Android

Device Platform: Mobile

Date tested: one year ago

Filter

939K/s

Array from set

379K/s

Set spread

359K/s

View exact numbers

Test name	Executions per second
✓ Filter	938,902 Ops/sec
Array from set	379,172 Ops/sec
Set spread	358,823 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)