long-selectors-vs-data

JavaScript performance comparison

Revision 2 of this test case created by

Preparation code

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

<div class="testDiv">
    <span class="testSpan"></span>
<span data-group="testSpan2"></span>
</div>

<div>
    <span data-group="testSpan"></span>
<span class="testSpan2"></span>
</div>
    

Preparation code output

<div class="testDiv"> <span class="testSpan"></span> <span data-group="testSpan2"></span> </div> <div> <span data-group="testSpan"></span> <span class="testSpan2"></span> </div>

Test runner

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Java applet disabled.

Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
long-selector
$("div.testDiv > span.testSpan");
pending…
data
$("[data-group='testSpan']");
pending…
specific-data
$("span[data-group='testSpan']");
pending…
$(".testSpan");
pending…

Compare results of other browsers

Revisions

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