Run results for: Filter vs Set (get unique elements)

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.0 Safari/537.36

Browser: Chrome 135

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Filter

2.3M/s

Set

1.4M/s

View exact numbers

Test name	Executions per second
✓ Filter	2,270,660 Ops/sec
Set	1,438,537 Ops/sec

Script Preparation code:

var array = Array.from({ length: 60 }, () => Math.floor(Math.random() * 140));

var uniqueF = function(arr) { arr.filter((a, b) => arr.indexOf(a) === b) }
var uniqueS = function(arr) { [...new Set(arr)] }

Tests:

Filter
const filter = uniqueF(array)
Set
const filter = uniqueS(array)