Run results for: querySelectorAll data attribute vs class name 4

Run details:

User agent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.97 Safari/537.36

Browser: Chrome 83

Operating system: Windows 7

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
data attribute	174040.6 Ops/sec
class name	310205.5 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');