Run results for: Lodash groupBy vs JS reduce

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 14_5 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/14.1 Mobile/15E148 Safari/604.1

Browser: Mobile Safari 14

Operating system: iOS 14.5

Device Platform: Mobile

Date tested: 3 years ago

Test name	Executions per second
Lodash	907.9 Ops/sec
JS reduce	27817.8 Ops/sec

HTML Preparation code:

<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.20/lodash.min.js'></script>

Script Preparation code:

var max2 = 10000;

var data = [];
for (var i = 0; i <= max2; i++) { data.push({ id: i }); }

Tests: