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

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.36

Browser: Chrome 133

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

filter(_ => _)

53.5M/s

filter(Boolean)

39.1M/s

View exact numbers

Test name	Executions per second
✓ filter(_ => _)	53,460,612 Ops/sec
filter(Boolean)	39,102,912 Ops/sec

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: