Run results for: querySelectorAll data attribute vs class name 4

Run details:

User agent: Mozilla/5.0 (Linux; Android 10; M2002J9G) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.101 Mobile Safari/537.36

Browser: Chrome Mobile 83

Operating system: Android

Device Platform: Mobile

Date tested: 3 years ago

Test name	Executions per second
data attribute	182261.4 Ops/sec
class name	259370.5 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');