Run results for: querySelectorAll data attribute vs class name 4

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.93 Safari/537.36

Browser: Chrome 90

Operating system: Mac OS X 10.15.3

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
data attribute	579825.8 Ops/sec
class name	1177092.1 Ops/sec

HTML Preparation code:

<div class="test" data-test></div>
<div class="test" data-test></div>
<div class="test" data-test></div>
<div class="test" data-test></div>
<div class="test" data-test></div>
<div class="test" data-test></div>
<div class="test" data-test></div>
<div class="test" data-test></div>
<div class="test" data-test></div>
<div class="test" data-test></div>
<div class="test" data-test></div>
<div class="test" data-test></div>
<div class="test" data-test></div>
<div class="test" data-test></div>
<div class="test" data-test></div>
<div class="test" data-test></div>
<div class="test" data-test></div>
<div class="test" data-test></div>
<div class="test" data-test></div>
<div class="test" data-test></div>
<div class="test" data-test></div>
<div class="test" data-test></div>
<div class="test" data-test></div>
<div class="test" data-test></div>
<div class="test" data-test></div>
<div class="test" data-test></div>
<div class="test" data-test></div>
<div class="test" data-test></div>
<div class="test" data-test></div>
<div class="test" data-test></div>

Tests:

data attribute
var test = document.querySelectorAll('[data-test]');
class name
var test = document.querySelectorAll('.test');