jQuery cached selectors vs uncached (v61)

Revision 61 of this benchmark created by Anas Nakawa on

Description

Comparing the performance difference between cached jQuery 1.7 objects and non cached ones.

Preparation HTML

<style type="text/css">
  .bar { display: none; }
</style>
<h1>
  HTML Ipsum Presents
</h1>

<p>
  <strong>
    Pellentesque habitant morbi tristique
  </strong>
  senectus et netus et malesuada fames ac turpis egestas. Vestibulum tortor quam,
  feugiat vitae, ultricies eget, tempor sit amet, ante. Donec eu libero sit amet quam
  egestas semper.
  <em>
    Aenean ultricies mi vitae est.
  </em>
  Mauris placerat eleifend leo. Quisque sit amet est et sapien ullamcorper pharetra.
  Vestibulum erat wisi, condimentum sed,
  <code>
    commodo vitae
  </code>
  , ornare sit amet, wisi. Aenean fermentum, elit eget tincidunt condimentum, eros
  ipsum rutrum orci, sagittis tempus lacus enim ac dui.
  <a href="#">Donec non enim</a>
  in turpis pulvinar facilisis. Ut felis.
</p>

<h2>
  Header Level 2
</h2>
<ol>
  <li>
    Lorem ipsum dolor sit amet, consectetuer adipiscing elit.
  </li>
  <li>
    Aliquam tincidunt mauris eu risus.
  </li>
</ol>
<blockquote id="foo" class="bar" name="baz">
  <p>
    Lorem ipsum dolor sit amet, consectetur adipiscing elit. Vivamus magna. Cras in
    mi at felis aliquet congue. Ut a est eget ligula molestie gravida. Curabitur massa.
    Donec eleifend, libero at sagittis mollis, tellus est malesuada tellus, at luctus
    turpis elit sit amet quam. Vivamus pretium ornare est.
  </p>
</blockquote>
<h3>
  Header Level 3
</h3>
<ul>
  <li>
    Lorem ipsum dolor sit amet, consectetuer adipiscing elit.
  </li>
  <li>
    Aliquam tincidunt mauris eu risus.
  </li>
</ul>
<pre>
  <code>
    #header h1 a { display: block; width: 300px; height: 80px; }
  </code>
</pre>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js">
</script>

Test runner

Ready to run.

Testing in
TestOps/sec
ID non-cached
$("#foo").hide();
$("#foo").show();
ready
ID cached
var $foo = $("#foo").hide();
$foo.show();
ready
Class non-cached
$(".bar").hide();
$(".bar").show();
ready
Class cached
var $bar = $(".bar").hide();
$bar.show();
ready
Tag non-cached
$("blockquote").hide();
$("blockquote").show();
ready
Tag cached
var $block = $("blockquote").hide();
$block.show();
ready
Attribute non-cached
$("[name='baz']").hide();
$("[name='baz']").show();
ready
Attribute cached
var $name = $("[name='baz']").hide();
$name.show();
ready

Revisions

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