Benchmark: style.display = none vs. classList add hide

HTML Preparation code:

<style type="text/css">
        .hide {
            display: none;
        }
</style>
<div id="foo"></div>

Tests:

style.display = none
var element = document.getElementById("foo"); var i = 3000; while (i--) { element.style.display = 'none'; element.style.display = 'block'; }
classList add hide
var element = document.getElementById("foo"); var i = 3000; while (i--) { element.classList.add("hide"); element.classList.remove("hide"); }

Rendered benchmark preparation results:

Previous results

Test case name	Result
style.display = none
classList add hide

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Latest run results:

Run details: (Test run date: 9 days ago)

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36

Browser/OS: Chrome 122 on Linux

Test name	Executions per second
style.display = none	191.6 Ops/sec
classList add hide	127.6 Ops/sec

style.display = none vs. classList add hide (version: 0)