Run results for: contains vs closest (actually working benchmark)

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:139.0) Gecko/20100101 Firefox/139.0

Browser: Firefox 139

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

contains

41.5M/s

closest

8.8M/s

View exact numbers

Test name	Executions per second
✓ contains	41,491,324 Ops/sec
closest	8,844,884 Ops/sec

HTML Preparation code:

<div id='div1'>
  <div id='div2'>
    <div id='div3'>
    </div>
  </div>
</div>

Script Preparation code:

var box = document.getElementById('div1')
var clicked = document.getElementById('div3')

Tests: