Run results for: lodash forEach vs for i loop with length cached vs Array#forEach vs Array#map

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/76.0.3809.132 Safari/537.36

Browser: Chrome 76

Operating system: Mac OS X 10.14.6

Device Platform: Desktop

Date tested: 5 years ago

HTML Preparation code:

<script src="https://cdn.jsdelivr.net/lodash/4.16.0/lodash.min.js"></script>

Script Preparation code:

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

Tests:

lodash.forEach
var count = 0; _.forEach(values, function(v,i) { if (v.a != null) { count++; } })
native
var count = 0; for (var i = 0, len = values.length; i < len; i++) { if (values[i].a != null) { count++; } }
Array#forEach
var count = 0; values.forEach(function(v,i) { if (v.a != null) { count++; } })
Array#map
var count = 0; values.map(function(v,i) { if (v.a != null) { count++; } })