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Run results for:
querySelectorAll hover data attribute vs class name
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=493683" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36
Browser:
Chrome 120
Operating system:
Linux
Device Platform:
Desktop
Date tested:
2 years ago
class name
487K/s
data attribute
259K/s
View exact numbers
Test name
Executions per second
✓
class name
486,699 Ops/sec
data attribute
258,505 Ops/sec
HTML Preparation code:
<div> <div class="hover" data-hover></div> <div class="hover" data-hover></div> <div class="hover" data-hover></div> <div class="hover" data-hover></div> <div class="hover" data-hover></div> <div class="hover" data-hover></div> <div class="hover" data-hover></div> <div class="hover" data-hover></div> <div class="hover" data-hover></div> <div class="hover" data-hover></div> <div class="hover" data-hover></div> <div class="hover" data-hover></div> <div class="hover" data-hover></div> <div class="hover" data-hover></div> <div class="hover" data-hover></div> <div class="hover" data-hover></div> <div class="hover" data-hover></div> <div class="hover" data-hover></div> <div class="hover" data-hover></div> <div class="hover" data-hover></div> <div class="hover" data-hover></div> <div class="hover" data-hover></div> <div class="hover" data-hover></div> <div class="hover" data-hover></div> <div class="hover" data-hover></div> <div class="hover" data-hover></div> <div class="hover" data-hover></div> <div class="hover" data-hover></div> <div class="hover" data-hover></div> <div class="hover" data-hover></div> <div class="hover" data-hover></div> <div class="hover" data-hover></div> <div class="hover" data-hover></div> <div class="hover" data-hover></div> <div class="hover" data-hover></div> <div class="hover" data-hover></div> <div class="hover" data-hover></div> <div class="hover" data-hover></div> <div class="hover" data-hover></div> <div class="hover" data-hover></div> <div class="hover" data-hover></div> <div class="hover" data-hover></div> <div class="hover" data-hover></div> <div class="hover" data-hover></div> <div class="hover" data-hover></div> <div class="hover" data-hover></div> <div class="hover" data-hover></div> <div class="hover" data-hover></div> <div class="hover" data-hover></div> <div class="hover" data-hover></div> </div>
Tests:
data attribute
var test = document.querySelectorAll('[data-hover]');
class name
var test = document.querySelectorAll('.hover');