Run results for: Attribute name size performance

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:69.0) Gecko/20100101 Firefox/69.0

Browser: Firefox 69

Operating system: Windows

Device Platform: Desktop

Date tested: 5 years ago

Test name	Executions per second
Short name	7315.0 Ops/sec
Long name	5854.9 Ops/sec

HTML Preparation code:

<div id="foo" class="lorem"></div>

Tests:

Short name
var element = document.getElementById("foo"); var i = 1000; while (i--) { element.setAttribute("data-foo", "bar"); }
Long name
var element = document.getElementById("foo"); var i = 1000; while (i--) { element.setAttribute("data-under-community-selected", "bar"); }