jQuery 1.3.2 vs jQuery 1.9.0 testing selector contxt

JavaScript performance comparison

Test case created by Rain Kesküla

Preparation code

<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="//ajax.googleapis.com/ajax/libs/jquery/1.3.2/jquery.min.js"></script>
<script> var $jq132 = jQuery.noConflict( true ); </script>
<script src="//ajax.googleapis.com/ajax/libs/jquery/1.9.0/jquery.min.js"></script>
<script> var $jq19 = jQuery.noConflict( true ); </script>

Preparation code output

HTML Ipsum Presents

Pellentesque habitant morbi tristique 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. Aenean ultricies mi vitae est. Mauris placerat eleifend leo. Quisque sit amet est et sapien ullamcorper pharetra. Vestibulum erat wisi, condimentum sed, commodo vitae , ornare sit amet, wisi. Aenean fermentum, elit eget tincidunt condimentum, eros ipsum rutrum orci, sagittis tempus lacus enim ac dui. Donec non enim in turpis pulvinar facilisis. Ut felis.

Header Level 2

  1. Lorem ipsum dolor sit amet, consectetuer adipiscing elit.
  2. Aliquam tincidunt mauris eu risus.

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.

Header Level 3

  • Lorem ipsum dolor sit amet, consectetuer adipiscing elit.
  • Aliquam tincidunt mauris eu risus.
  
    #header h1 a { display: block; width: 300px; height: 80px; }
  

Test runner

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Java applet disabled.

Testing in unknown unknown
Test Ops/sec
1. jQuery ID with Class jq132
$jq132('#foo .bar');
pending…
2. jQuery ID with Class jq19
$jq19('#foo .bar');
pending…
3. jQuery Class with ID context jq132
$jq132('.bar', '#foo');
pending…
4. jQuery Class with ID context jq19
$jq19('.bar', '#foo');
pending…
5. jQuery with find jq132
$jq132('#foo').find('.bar');
pending…
6 .jQuery with find jq19
$jq19('#foo').find('.bar');
pending…
7. jQuery Class with jQuery ID context jq132
$jq132('.bar', $jq132('#foo'));
pending…
8. jQuery Class with jQuery ID context jq19
$jq19('.bar', $jq19('#foo'));
pending…

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