Run results for: Modern dataset vs old .getAttribute() vs jQuery .data() vs jQuery .attr() with console.log

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36

Browser: Chrome 120

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
dataset	3401792.2 Ops/sec
getAttribute	3485524.0 Ops/sec
jQuery .data()	113595.2 Ops/sec
jQuery .attr()	118027.9 Ops/sec

HTML Preparation code:

<h3 id="data" data-test="1234">kipr202 header</h3>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.5.1/jquery.min.js" integrity="sha512-bLT0Qm9VnAYZDflyKcBaQ2gg0hSYNQrJ8RilYldYQ1FxQYoCLtUjuuRuZo+fjqhx/qtq/1itJ0C2ejDxltZVFg==" crossorigin="anonymous"></script>

Tests:

dataset
window.onload = function() { console.log(document.querySelector("h3#data").dataset.test); }
getAttribute
window.onload = function() { console.log(document.querySelector("h3#data").getAttribute("data-test")); }
jQuery .data()
$(document).ready(function() { console.log($("h3#data").data("test")); });
jQuery .attr()
$(document).ready(function() { console.log($("h3#data").attr("data-test")); });