jQuery selector vs getElementsByTagName

Benchmark created by macem 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=[], parent;
        for (i;i--;) {
                arr.push (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');
ready
jQuery method with getElementsByTagName
$nodes = $('.pane').tags('li');
ready

Revisions

You can edit these tests or add more tests to this page by appending /edit to the URL.