Run results for: lodash groupBy vs Array.reduce 100k

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 11_0_0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.198 Whale/2.9.115.7 Safari/537.36

Browser: Chrome 86

Operating system: Mac OS X 11.0.0

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
Lodash	188.7 Ops/sec
Native	412.8 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 = 100000;

var data = [];
for (var i = 0; i <= max2; i++) { data.push({ id: i }); }

Tests: