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

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:139.0) Gecko/20100101 Firefox/139.0

Browser: Firefox 139

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: 11 months ago

Test name	Executions per second
contains	30024558.0 Ops/sec
closest	9505242.0 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: