Run results for: Lodash Uniq vs Lodash UniqBy vs Javascript Set

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:142.0) Gecko/20100101 Firefox/142.0

Browser: Firefox 142

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: 8 months ago

Test name	Executions per second
Lodash UniqBy	1926.2 Ops/sec
Javascript Set	11379.7 Ops/sec
Lodash Uniq	12413.5 Ops/sec

HTML Preparation code:

<script src="https://cdn.jsdelivr.net/npm/lodash@4.17.5/lodash.min.js"></script>

Script Preparation code:

var firstEqual = [];
var secondEqual = [];

for (var i=0; i<1000; i++) {
  firstEqual.push({a: {b: {c: i}}});
  secondEqual.push({a: {b: {c: i}}});
}

var arr = [...firstEqual, ...secondEqual];

Tests:

Lodash UniqBy
_.uniqBy(arr, 'a.b.c').map(el =>el.a.b.c)
Javascript Set
[...new Set(arr.map(el => el.a.b.c))]
Lodash Uniq
_.uniq(arr.map(el => el.a.b.c))