Run results for: Set vs Filter for unique (small and large)

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.88 Safari/537.36 Edg/87.0.664.66

Browser: Chrome 87

Operating system: Windows

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
Set spread (small)	520777.0 Ops/sec
Array from set (small)	515620.4 Ops/sec
Set spread (large)	16652.4 Ops/sec
Array from set (large)	16321.8 Ops/sec

Script Preparation code:

var smlarray = Array.from({length: 40}, () => Math.floor(Math.random() * 140));
var lrgarray = Array.from({length: 4000}, () => Math.floor(Math.random() * 140));

Tests:

Set spread (small)
const fsml = [... new Set(smlarray)]
Array from set (small)
const lsml = Array.from(new Set(smlarray))
Set spread (large)
const flrg = [... new Set(lrgarray)]
Array from set (large)
const llrg = Array.from(new Set(lrgarray))

Run results for: Set vs Filter for unique (small and large)

Set spread (small)

Array from set (small)

Set spread (large)

Array from set (large)