Tags vs Classes

JavaScript performance comparison

Revision 3 of this test case created

Preparation code

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

Preparation code output

Test runner

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Java applet disabled.

Testing in unknown unknown
Test Ops/sec
class
var e=$(".class")
pending…
tagname
var e=$("div")
pending…
id class
var e=$("div.class")
pending…

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