Run results for: Unique values

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 16_4 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/112.0.5615.70 Mobile/15E148 Safari/604.1

Browser: Chrome Mobile iOS 112

Operating system: iOS 16.4

Device Platform: Mobile

Date tested: one year ago

Test name	Executions per second
Set	1825972.1 Ops/sec
Filter	1485939.0 Ops/sec
Reduce	3080783.5 Ops/sec
Lodash	3398876.5 Ops/sec

Script Preparation code:

var array = [ 1, 2, 2, 1, 3];

Tests:

Set
[...new Set(array)];
Filter
array.filter((item, index) => array.indexOf(item) === index);
Reduce
array.reduce((unique, item) => unique.includes(item) ? unique : [...unique, item], []);
Lodash
_.uniq(array)

Run results for: Unique values

Set

Filter

Reduce

Lodash