MeasureThat.net

Run results for: direct style vs. setAttribute vs. classList

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Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.0.0 Safari/537.36
Chrome 108
Windows
Desktop
2 years ago
Test name Executions per second
direct style 50252.2 Ops/sec
setAttribute 3734.5 Ops/sec
classList 3678.2 Ops/sec
HTML Preparation code:
AخA
 
1
<div id="foo"></div>
Tests:

  • direct style

     
    var element = document.getElementById("foo");
    var i = 1000;
    while (i--) {
        element.style.postiion = "fixed";
    }

  • setAttribute

     
    var element = document.getElementById("foo");
    var i = 1000;
    while (i--) {
        element.setAttribute("class", "bar");
    }

  • classList

     
    var element = document.getElementById("foo");
    var i = 1000;
    while (i--) {
        element.classList.add("bar");
    }