long-selectors-vs-data

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 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

Test runner

Warning! For accurate results, please disable Firebug before running the tests. (Why?)

Java applet disabled.

Testing in unknown unknown
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

You can edit these tests or add even more tests to this page by appending /edit to the URL. Here’s a list of current revisions for this page:

0 comments

Add a comment