HTML Preparation code:
AخA
 
1
<div id="foo"></div>
Script Preparation code:
 
var element = document.getElementById("foo");
Tests:
  • className

     
    element.className = "bar";
  • setAttribute

     
    element.setAttribute("class", "bar");
  • classList

     
    element.classList.add("bar");
Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Experimental features:

  • Test case name Result
    className
    setAttribute
    classList

    Fastest: N/A

    Slowest: N/A

Latest run results:
Run details: (Test run date: one month ago)
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Chrome 131 on Windows
View result in a separate tab
Test name Executions per second
className 30689522.0 Ops/sec
setAttribute 20164368.0 Ops/sec
classList 11047439.0 Ops/sec