Run results for: lodash uniq (with .push) vs set (with .add)

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36

Browser: Chrome 130

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Array with push then uniq

7.8M/s

Set with add

5.4M/s

View exact numbers

Test name	Executions per second
✓ Array with push then uniq	7,844,240 Ops/sec
Set with add	5,389,393 Ops/sec

HTML Preparation code:


<script src='https://cdn.jsdelivr.net/npm/lodash@4.17.10/lodash.min.js'></script>

Script Preparation code:

var originalArray = [1, 2, 3, 4, 5, 6, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7]

Tests:

Set with add
var l = new Set(); for (i of originalArray) { l.add(i) } return l;
Array with push then uniq
var l = []; for (i of originalArray) { l.push(i) } return _.uniq(l);