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

Run details:

User agent: Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Mobile Safari/537.36

Browser: Chrome Mobile 119

Operating system: Android

Device Platform: Mobile

Date tested: 2 years ago

For

911.2M/s

use lodash

4.1M/s

Spread

2.0M/s

Array.from

1.6M/s

View exact numbers

HTML Preparation code:

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

Tests:

Spread
return [...new Set([1, 2, 3, 4, 5, 6, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7])]
use lodash
return _.uniq([1, 2, 3, 4, 5, 6, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7]);
Array.from
return Array.from( new Set([1, 2, 3, 4, 5, 6, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7]) );
For
const visited = {}; const uniques = []; const initial = [1, 2, 3, 4, 5, 6, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7]; for(let i=0;i<initial.lenght;i++){ if(!visited[initial[i]]) { visited[initial[i]] = true; uniques.push(initial[i]); } } return uniques