Benchmark: querySelectorAll data attribute vs class name vs combined [2]

HTML Preparation code:

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

Tests:

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

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
data attribute
class name
class name with data attribute

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: one year ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36

Browser/OS: Chrome 131 on Mac OS X 10.15.7

View result in a separate tab

class name

3.2M/s

data attribute

1.7M/s

class name with data attribute

1.5M/s

View exact numbers

Test name	Executions per second
✓ class name	3,208,569 Ops/sec
data attribute	1,676,219 Ops/sec
class name with data attribute	1,468,088 Ops/sec

querySelectorAll data attribute vs class name vs combined [2] (version: 1)

Comparing performance of: `data attribute vs class name vs class name with data attribute`

Created: one year ago by: Guest

Go to the latest result

data attribute

class name

class name with data attribute

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

querySelectorAll data attribute vs class name vs combined [2] (version: 1)

Comparing performance of: data attribute vs class name vs class name with data attribute

Created: one year ago by: Guest

Go to the latest result

data attribute

class name

class name with data attribute

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

Related benchmarks

Comparing performance of: `data attribute vs class name vs class name with data attribute`