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Run results for: querySelectorAll data attribute vs class name vs combined

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Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.0.0 Safari/537.36
Chrome 109
Windows
Desktop
one year ago
Test name Executions per second
data attribute 266687.2 Ops/sec
class name 464719.8 Ops/sec
class name with data attribute 271061.8 Ops/sec
HTML Preparation code:
AخA
 
1
<div class="test" data-attribute="test"></div>
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<div class="test" data-attribute="test"></div>
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<div class="test" data-attribute="test"></div>
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<div class="test" data-attribute="test"></div>
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<div class="test" data-attribute="test"></div>
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<div class="test" data-attribute="test"></div>
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<div class="test" data-attribute="test"></div>
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<div class="test" data-attribute="test"></div>
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<div class="test" data-attribute="test"></div>
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<div class="test" data-attribute="test"></div>
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<div class="test" data-attribute="test"></div>
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<div class="test" data-attribute="test"></div>
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<div class="test" data-attribute="test"></div>
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<div class="test" data-attribute="test"></div>
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<div class="test" data-attribute="test"></div>
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<div class="test" data-attribute="test"></div>
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<div class="test" data-attribute="test"></div>
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<div class="test" data-attribute="test"></div>
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<div class="test" data-attribute="test"></div>
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<div class="test" data-attribute="test"></div>
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<div class="test" data-attribute="test"></div>
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<div class="test" data-attribute="test"></div>
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<div class="test" data-attribute="test"></div>
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<div class="test" data-attribute="test"></div>
Tests:

  • data attribute

     
    var test = document.querySelectorAll('[data-attribute="test"]');

  • class name

     
    var test = document.querySelectorAll('.test');

  • class name with data attribute

     
    var test = document.querySelectorAll('.test[data-attribute="test"]');