Run results for: Lodash vs. Set Intersection

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 12_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/73.0.3683.68 Mobile/15E148 Safari/605.1

Browser: Chrome Mobile iOS 73

Operating system: iOS 12.3

Device Platform: Mobile

Date tested: 5 years ago

Test name	Executions per second
Javascript Set intersection	181045.4 Ops/sec
Lodash intersection	766576.9 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)

Run results for: Lodash vs. Set Intersection

Javascript Set intersection

Lodash intersection