Run results for: filter(_ => !!_) vs filter(Boolean) vs filter(v => v != null)

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.3 Safari/605.1.15

Browser: Safari 18

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

filter(Boolean)

38.5M/s

filter(_ => _)

36.5M/s

filter(v => v != null)

20.0M/s

View exact numbers

HTML Preparation code:

<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.15/lodash.min.js"></script>

Script Preparation code:

var elements = [0, 1, false, 2, '', 3];

Tests: