Benchmark: setAttribute vs classList.add (attribute adding) V2

HTML Preparation code:

<div id="test" class="first">Testing</div>

Script Preparation code:

var el = document.getElementById('test');

Tests:

classList.add
el.classList.add("second");
setAttribute
el.setAttribute("class", el.className + " second");

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
classList.add
setAttribute

Fastest: N/A

Slowest: N/A

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Latest run results:

Run details: (Test run date: 9 months ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/118.0.5993.2470 YaBrowser/23.11.0.2470 Yowser/2.5 Safari/537.36

Browser/OS: Yandex Browser 23 on Windows

View result in a separate tab

Test name	Executions per second
classList.add	1088763.0 Ops/sec
setAttribute	1474.8 Ops/sec

setAttribute vs classList.add (attribute adding) V2 (version: 0)

Comparing performance of: classList.add vs setAttribute

Created: 3 years ago by: Guest

Jump to the latest result

classList.add

setAttribute

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A