Run results for: Lodash vs. Set Methods Intersection

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Browser: Chrome 128

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Lodash intersection

3.0M/s

Javascript set methods intersection

2.5M/s

Javascript Set intersection

1.9M/s

View exact numbers

Test name	Executions per second
✓ Lodash intersection	2,960,552 Ops/sec
Javascript set methods intersection	2,450,852 Ops/sec
Javascript Set intersection	1,925,797 Ops/sec

HTML Preparation code:

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

Script Preparation code:

var first = [1, 3, 4, 5, 7];
var second = [2, 3, 5, 6];

Tests:

Javascript Set intersection
const firstSet = new Set(first); const secondSet = new Set(second); new Set([...firstSet].filter(item => secondSet.has(item)));
Lodash intersection
_.intersection(first, second)
Javascript set methods intersection
const firstSet = new Set(first); const secondSet = new Set(second); firstSet.intersection(secondSet);