MeasureThat.net

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

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Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/99.0.4844.84 Safari/537.36
Chrome 99
Windows
Desktop
2 years ago
Test name Executions per second
data-attribute 544880.2 Ops/sec
querySelectorAll 1008700.6 Ops/sec
getElementsByClassName 5834281.0 Ops/sec
HTML Preparation code:
AخA
 
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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>
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<div class="test" data-attribute="test"></div>
Tests:

  • data-attribute

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

  • querySelectorAll

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

  • getElementsByClassName

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