Run results for: _.uniqWith(arr, _.isEqual).length vs new Set(arr).size 1

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/110.0.0.0 Safari/537.36 Edg/110.0.1587.56

Browser: Chrome 110

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
_.uniqWith(arr, _.isEqual).length	1362417.5 Ops/sec
new Set(arr).size	1230021.5 Ops/sec

HTML Preparation code:

<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>

AخA
 
<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>

Script Preparation code:

var arr = Array.from({length: 40}, () => Math.floor(Math.random() * 40));

var newArr = null;

​x
 
var arr = Array.from({length: 40}, () => Math.floor(Math.random() * 40));​var newArr = null;​

Tests:

_.uniqWith(arr, _.isEqual).length
newArr = _.uniqWith(arr, _.isEqual)
newArr = _.uniqWith(arr, _.isEqual)
new Set(arr).size
newArr = new Set(arr)
newArr = new Set(arr)