Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.0.0 Safari/537.36
Chrome 116
Mac OS X 10.15.7
Desktop
one year ago
Test name Executions per second
dataset 5517.9 Ops/sec
setAttribute 9831.0 Ops/sec
HTML Preparation code:
x
 
1
2
<div id='set' data-open="0"></div>
Tests:
  • dataset

     
    const elem = document.getElementById("set");
    var i = 1000;
    while (i--) {
        elem.dataset.open = "1";
    }
  • setAttribute

     
    const elem = document.getElementById("set");
    var i = 1000;
    while (i--) {
        elem.setAttribute('data-open', '1')
    }