selector vs find

JavaScript performance comparison

Revision 2 of this test case created

Preparation code

<script src="//ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>
<div>stuff</div><div>stuff</div><div>stuff</div><div>stuff</div><div>stuff</div><div>stuff</div><div>stuff</div><div>stuff</div><div>stuff</div><div>stuff</div><div>stuff</div><div>stuff</div>
<div class="div1"><span>stuff</span><span>stuff</span><span>stuff</span><span>stuff</span><span>stuff</span><span>stuff</span><span>stuff</span><span>stuff</span><span>stuff</span><h1>H1</h1><span>stuff</span><span>stuff</span><span>stuff</span><span>stuff</span><span>stuff</span><span>stuff</span><h2>h2</h1></div><div>stuff</div><div>stuff</div><div>stuff</div><div>stuff</div><div>stuff</div><div>stuff</div><div>stuff</div><div>stuff</div><div>stuff</div><div>stuff</div>

Preparation code output

stuff
stuff
stuff
stuff
stuff
stuff
stuff
stuff
stuff
stuff
stuff
stuff
stuffstuffstuffstuffstuffstuffstuffstuffstuff

H1

stuffstuffstuffstuffstuffstuff

h2

stuff
stuff
stuff
stuff
stuff
stuff
stuff
stuff
stuff
stuff

Test runner

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Java applet disabled.

Testing in unknown unknown
Test Ops/sec
selector
$(".div1 h2")
pending…
find
$(".div1").find("h2")
pending…

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Revisions

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