jQuery parents by className

Benchmark created by macem on June 16, 2011

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.parentByClass = function (className) {
        var i=this.length, arr=[], parent;
        for (i;i--;) {
                parent = this[i].parentNode||null;
                while (parent) {
                        if (!parent) return;
                        if (parent.className.indexOf (className) != -1) {
                                arr.push (parent);
                                break;
                        }
                        parent = parent.parentNode||null;
                }
        }
        return $(arr);
  };
  
  var $links = $('.pane a'), $nodes;
</script>

Test runner

$nodes = $links.parents('.pane');

$nodes = $links.parentByClass ('pane');

Revisions

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

• Revision 1: published by macem on June 16, 2011