getElementsByClassName VS querySelectorAll

JavaScript performance comparison

Revision 80 of this test case created

Preparation code

<div>
  <ul>
        <ul>
                <li><a href="#" name="name" class="classname">item 1</a></li>
                <ul>
                        <li><a href="#" name="name" class="classname">item 1</a></li>
                        <ul>
                                <li><a href="#" name="name" class="classname">item 1</a></li>
                        </ul>
                </ul>
        </ul>
    <li><a href="#" name="name" class="classname">item 10</a></li>
  </ul>
</div>

Preparation code output

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Testing in unknown unknown
Test Ops/sec
getElementsByClassName
nodes = document.getElementsByClassName('classname');
pending…
querySelectorAll
nodes = document.querySelectorAll('[class = classname]');
pending…

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