jQuery selector vs getElementsByTagName (v4)

Revision 4 of this benchmark created on

Preparation HTML

<div class="pane">
<ul>
<li class="list"><a href="#">test</a></li>
<li class="list">test</li>
<li class="list">test</li>
<li class="list">test</li>
<li class="list">test</li>
<li class="list">test</li>
<li class="list">test</li>
<li class="list">test</li>
</ul>
</div>

<div class="pane">
<ul>
<li class="list"><a href="#">test</a></li>
<li class="list">test</li>
<li class="list">test</li>
<li class="list">test</li>
<li class="list">test</li>
<li class="list">test</li>
<li class="list">test</li>
<li class="list">test</li>
</ul>
</div><script src="//ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>

<script>
  $.fn.tags = function (tagName) {
        var i=this.length, 
            arr=[];
        for (i;i--;) {
                $.merge (arr, this[i].getElementsByTagName (tagName));
        }
        return $(arr);
  };
  
  var $links = $('.pane a'), 
      $nodes;
</script>

Test runner

Ready to run.

Testing in
TestOps/sec
jQuery
$nodes = $('.pane li')[0];
ready
jQuery method with getElementsByTagName
$nodes = $('.pane').tags('li')[0];
ready
Pure JS
var nodes = document.getElementsByTagName('li')[0];
ready

Revisions

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