jQuery parent/child selectors (jQuery 2.1.0)

JavaScript performance comparison

Revision 84 of this test case created by Christiaan Rakowski

Info

The different ways to select (context, pure selector, +find()) DOM elements using jQuery in parent/child scenarios.

Preparation code

<script src="//code.jquery.com/jquery-2.1.0.min.js">
</script>
<div>
  <ul id="list">
    <li class="test">
    </li>
    <li>
    </li>
    <li class="test">
    </li>
    <li class="test">
    </li>
    <li>
    </li>
    <li class="test">
    </li>
    <li>
    </li>
    <li class="test">
    </li>
    <li>
    </li>
    <li class="test">
    </li>
  </ul>
</div>
<div class="test">
</div>
<script>
  var list = document.getElementById('list');
var $list = $("#list");
</script>

Preparation code output

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Testing in unknown unknown
Test Ops/sec
jquery context and find( > )
var $test = $list.find('> .test');
pending…
jquery immediate children
var $test = $list.children('.test');
pending…
jquery context and find()
var $test = $list.find('.test');
pending…
jquery context tag
var $test = $('li.test', $list);
pending…
jquery context and find(tag)
var $test = $list.find('li.test');
pending…
jquery immediate children tag
var $test = $list.children('li.test');
pending…
jquery context and find( > tag)
var $test = $list.find('> li.test');
pending…
jquery context
var $test = $('.test', $list);
pending…

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