jQuery vs. document.querySelector

JavaScript performance comparison

Revision 27 of this test case created by Søren

Info

I know its been done before. Just want to see for myself

Preparation code

<div id="main">
  <ul class="gallery">
    <li>
      Hello World
    </li>
    <li>
      Hello World
    </li>
    <li>
      Hello World
    </li>
    <li>
      Hello World
    </li>
    <li>
      Hello World
    </li>
    <li>
      Hello World
    </li>
  </ul>
</div>
<script src="//cdnjs.cloudflare.com/ajax/libs/jquery/2.0.3/jquery.js"></script>

Preparation code output

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Testing in unknown unknown
Test Ops/sec
jQuery
var el = $("#main ul:first-child");
pending…
DOM
var el = document.querySelector("#main ul:first-child");
pending…

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