Run results for: getAttribute vs dataset

Run details:

User agent: Mozilla/5.0 (Linux; Android 11; RMX2117 Build/RP1A.200720.011) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.5005.78 Mobile Safari/537.36

Browser: Chrome Mobile 102

Operating system: Android

Device Platform: Mobile

Date tested: 2 years ago

Test name	Executions per second
getAttribute	1118.2 Ops/sec
dataset	298.8 Ops/sec

HTML Preparation code:

<div id="foo" data-foo="foo_id"></div>

Tests:

getAttribute
var element = document.getElementById("foo"); var i = 10000; while (i--) { var foo = element.getAttribute("data-foo"); }
dataset
var element = document.getElementById("foo"); var i = 10000; while (i--) { var foo = element.dataset.foo; }

Run results for: getAttribute vs dataset

Compare setAttribute to dataset

getAttribute

dataset