Run results for: getAttribute('data-foo') vs dataset.foo

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/138.0.0.0 Safari/537.36

Browser: Chrome 138

Operating system: Linux

Device Platform: Desktop

Date tested: 11 months ago

Test name	Executions per second
getAttribute	38623884.0 Ops/sec
dataset	20607288.0 Ops/sec

HTML Preparation code:

<div id="test" data-foo="bar"></div>

Script Preparation code:

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

Tests: