Run results for: lodash groupBy vs Array.reduce on million items

Run details:

User agent: Mozilla/5.0 (Linux; Android 11; CPH2067) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/94.0.4606.85 Mobile Safari/537.36

Browser: Chrome Mobile 94

Operating system: Android

Device Platform: Mobile

Date tested: 3 years ago

Test name	Executions per second
Lodash	2.8 Ops/sec
Native	6.7 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 max2 = 1000000;

var data = [];
for (var i = 0; i <= max2; i++) { data.push({ id: i }); }

Tests: