Does order of selectors matters

JavaScript performance comparison

Test case created by

Preparation code

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>

<div id="bar">
 <span class="foo">+</span>
 <span class="foo">+</span>
 <span class="foo">+</span>
 <span class="foo">+</span>
 <span class="foo">+</span>
 <span class="foo">+</span>
<div>

<span>+</span>
<span>+</span>
<span>+</span>
<span>+</span>
<span>+</span>
<span>+</span>
<span>+</span>
<span>+</span>
<span>+</span>

    

Preparation code output

<div id="bar"> <span class="foo">+</span> <span class="foo">+</span> <span class="foo">+</span> <span class="foo">+</span> <span class="foo">+</span> <span class="foo">+</span> <div> <span>+</span> <span>+</span> <span>+</span> <span>+</span> <span>+</span> <span>+</span> <span>+</span> <span>+</span> <span>+</span>

Test runner

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Java applet disabled.

Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
$("div#bar .foo")
$("div#bar .foo")
pending…
$("div#bar").find("foo")
$("div#bar").find("foo")
pending…

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Revisions

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