Run results for: classList toggle vs. classList add hide

Run details:

User agent: Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.0.0 Mobile Safari/537.36

Browser: Chrome Mobile 134

Operating system: Android

Device Platform: Mobile

Date tested: one year ago

classList add hide

107/s

classList toggle

88/s

View exact numbers

Test name	Executions per second
✓ classList add hide	107 Ops/sec
classList toggle	88 Ops/sec

HTML Preparation code:

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

Tests:

classList toggle
var element = document.getElementById("foo"); var i = 3000; while (i--) { element.classList.toggle("hide" , true); element.classList.toggle("hide" , false); }
classList add hide
var element = document.getElementById("foo"); var i = 3000; while (i--) { element.classList.add("hide"); element.classList.remove("hide"); }