Run results for: Modern dataset vs old .getAttribute() vs jQuery .data() vs jQuery .attr() without query

Run details:

User agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:99.0) Gecko/20100101 Firefox/99.0

Browser: Firefox 99

Operating system: Ubuntu

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
dataset	613874.3 Ops/sec
getAttribute	712653.6 Ops/sec
jQuery .data()	9026.6 Ops/sec
jQuery .attr()	9278.9 Ops/sec

HTML Preparation code:

<h3 id="data" data-test="text">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>

Script Preparation code:

var h3 = document.querySelector("h3#data");
var $h3 = $(h3);

Tests:

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

Run results for: Modern dataset vs old .getAttribute() vs jQuery .data() vs jQuery .attr() without query

Fork: Fix avoid timing the querying.

dataset

getAttribute

jQuery .data()

jQuery .attr()