Run results for: lodash uniq vs Array.from(new Set()) vs spread new Set() v3 strings vs loop

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:129.0) Gecko/20100101 Firefox/129.0

Browser: Firefox 129

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
Spread	4146.3 Ops/sec
use lodash	4607.8 Ops/sec
Array.from	4324.5 Ops/sec
just set	4011.2 Ops/sec
Loop	2811.0 Ops/sec

HTML Preparation code:

<script src='https://cdn.jsdelivr.net/npm/lodash@4.17.10/lodash.min.js'></script>
<script>
const arr = (new Array(10000)).fill().map(e => "asd" + String.fromCharCode(Math.floor(97 + Math.random() * 25)));
</script>

Tests:

Spread
return [...new Set(arr)]
use lodash
return _.uniq(arr);
Array.from
return Array.from( new Set(arr) );
just set
new Set(arr)
Loop
const res = new Set() for (let i of arr) { res.add(i) }

Run results for: lodash uniq vs Array.from(new Set()) vs spread new Set() v3 strings vs loop

Spread

use lodash

Array.from

just set

Loop