Run results for: Set from array vs array Filter unique

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36

Browser: Chrome 114

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 10 months ago

Test name	Executions per second
Set from array	1399648.0 Ops/sec
Filter	1801104.0 Ops/sec

Script Preparation code:

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

Tests:

Set from array
const a = new Set(array)
Filter
const filterUnique = (value, index, array) => array.indexOf(value) === index; const b = array.filter(filterUnique)