getElementsByClassName vs jQuery $ selector vs querySelectorAll (v6)

Revision 6 of this benchmark created on

Preparation HTML

<script src="//ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>
<div id="playtime">
  <ul>
    <li><a href="#" name="name" class="classname">item 1</a></li>
    <li><a href="#" name="name" class="classname">item 2</a></li>
    <li><a href="#" name="name" class="classname">item 3</a></li>
    <li><a href="#" name="name" class="classname">item 4</a></li>
    <li><a href="#" name="name" class="classname">item 5</a></li>
    <li><a href="#" name="name" class="classname">item 6</a></li>
    <li><a href="#" name="name" class="classname">item 7</a></li>
    <li><a href="#" name="name" class="classname">item 8</a></li>
    <li><a href="#" name="name" class="classname">item 9</a></li>
    <li><a href="#" name="name" class="classname">item 10</a></li>
  </ul>
</div>
<script>
  var nodesDad, nodes, len, i;
</script>

Test runner

Ready to run.

Testing in
TestOps/sec
getElementsByClassName
nodes = document.getElementsByClassName('classname');
for(i = 0; i < nodes.length; i++) nodes[i];
ready
querySelectorAll
nodes = document.querySelectorAll('.classname');
for(i = 0; i < nodes.length; i++) nodes[i];
ready
jQuery $ Selector
nodes = $('.classname');
for(i = 0; i < nodes.length; i++) nodes[i];
ready
combined
nodes = $(document.getElementsByClassName('classname'));
for(i = 0; i < nodes.length; i++) nodes[i];
ready
jQuery $ Selector w/ find
nodesDad = $('#playtime');
nodes = nodesDad.find('.classname');
for(i = 0; i < nodes.length; i++) nodes[i];
ready
querySelectorAll with ID thingie
nodesDad = document.getElementById('playtime');
nodes = nodesDad.querySelectorAll('.classname');
for(i = 0; i < nodes.length; i++) nodes[i];
ready

Revisions

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