Run details:
Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Mobile Safari/537.36 EdgA/131.0.0.0
Chrome Mobile 131
Android
Mobile
2 months ago
Test name Executions per second
hasAttribute 13103964.0 Ops/sec
dataset 4008161.5 Ops/sec
HTML Preparation code:
AخA
 
1
<div id="foo" data-foo></div>
Script Preparation code:
 
var element = document.getElementById("foo");
Tests:
  • hasAttribute

     
    var foo = element.hasAttribute("data-foo");
  • dataset

     
    var foo = "foo" in element.dataset;