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Run results for:
querySelectorAll data attribute vs class name
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=596681" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:136.0) Gecko/20100101 Firefox/136.0
Browser:
Firefox 136
Operating system:
Ubuntu
Device Platform:
Desktop
Date tested:
one year ago
class name
1.8M/s
data attribute
1.3M/s
View exact numbers
Test name
Executions per second
✓
class name
1,817,495 Ops/sec
data attribute
1,280,110 Ops/sec
HTML Preparation code:
<div class="test" data-attribute="test"></div> <div class="test" data-attribute="test"></div> <div class="test" data-attribute="test"></div> <div class="test" data-attribute="test"></div> <div class="test" data-attribute="test"></div> <div class="test" data-attribute="test"></div> <div class="test" data-attribute="test"></div> <div class="test" data-attribute="test"></div> <div class="test" data-attribute="test"></div> <div class="test" data-attribute="test"></div> <div class="test" data-attribute="test"></div> <div class="test" data-attribute="test"></div> <div class="test" data-attribute="test"></div> <div class="test" data-attribute="test"></div> <div class="test" data-attribute="test"></div> <div class="test" data-attribute="test"></div> <div class="test" data-attribute="test"></div> <div class="test" data-attribute="test"></div> <div class="test" data-attribute="test"></div> <div class="test" data-attribute="test"></div> <div class="test" data-attribute="test"></div> <div class="test" data-attribute="test"></div> <div class="test" data-attribute="test"></div> <div class="test" data-attribute="test"></div>
Tests:
data attribute
var test = document.querySelectorAll('[data-attribute="test"]');
class name
var test = document.querySelectorAll('.test');