Run results for: Setattribute vs setAttribute with attribute already set

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Browser: Chrome 126

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
attribute already set	3517905.5 Ops/sec
attribute not set	3401657.8 Ops/sec

HTML Preparation code:

<div class="withoutAttribute"></div>
<div class="withAttribute" data-bgcolor></div>

Tests:

attribute already set
document.querySelector('.withAttribute').setAttribute('data-bgcolor', 'blue');
attribute not set
document.querySelector('.withoutAttribute').setAttribute('data-bgcolor', 'red');