Run results for: Underscore.js _forEach() vs Native for loop for large arrays (rewrite)

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.13; rv:109.0) Gecko/20100101 Firefox/111.0

Browser: Firefox 111

Operating system: Mac OS X 10.13

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
Underscore.js _forEach()	10277356.0 Ops/sec
native for loop	18044700.0 Ops/sec

HTML Preparation code:

<script src='https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.6.0/underscore-min.js'></script>

Script Preparation code:

var values = [{a: 30310}, {b: 100303}, {c: 3040494}]

Tests:

Underscore.js _forEach()
var count = 0; _.forEach(values, function(value) { if (value.a != null) { count++; } });
native for loop
var count = 0; for (var i = 0; i < values.length; i++) { if (values[i].a != null) { count++; } }