Run results for: getAttribute vs attributes

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.138 Safari/537.36

Browser: Chrome 81

Operating system: Mac OS X 10.13.4

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
getAttribute	14925.5 Ops/sec
attributes	5521.9 Ops/sec

HTML Preparation code:

<div id="foo" data-episode="000000000"></div>

Tests:

getAttribute
var element = document.getElementById("foo"); var i = 1000; while (i--) { element.getAttribute("data-episode"); }
attributes
var element = document.getElementById("foo"); var i = 1000; while (i--) { element.attributes["data-episode"].value; }