Info

To find all elements with specified class, jQuery needs to fetch them all and then filter it by class name. Specifying tag should limit number of elements selected.

Preparation code

<script src="//ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>
<div class="a">me</div>
<div class="a">me</div>
<div class="a">me</div>
<div>me</div>
<div>me</div>
<span>me</span>
<span>me</span>
<div>me</div>
<div>me</div>
<span>me</span>
<span>me</span>
<div>me</div>
<div>me</div>
<span>me</span>
<span>me</span>
<span>me</span>
<span>me</span>
<span>me</span>
<span>me</span>
<span>me</span>
<span>me</span>
<span>me</span>
<span>me</span>
<span>me</span>
<span>me</span>
<span>me</span>
<span>me</span>
<span>me</span>
<span>me</span>
<span>me</span>
<span>me</span>
<span>me</span>
<span>me</span>
<span>me</span>
<span>me</span>
<span>me</span>
<span>me</span>
<span>me</span>
<span>me</span>
<span>me</span>
<span>me</span>
<span>me</span>
<span>me</span>
<span>me</span>
<span>me</span>
<span>me</span>
<span>me</span>
<span>me</span>
<span>me</span>
<span>me</span>
<span>me</span>
<span>me</span>
<span>me</span>
<span>me</span>
<span>me</span>
<span>me</span>
<span>me</span>
<span>me</span>
<span>me</span>
<span>me</span>
<span>me</span>
<script>
  Benchmark.prototype.setup = function() {
    var els;
  };
</script>

Preparation code output

Test runner

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els = $('div.a');

els = $('.a');

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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:

• Revision 1: published by Senky on 29th January 2013
• Revision 2: published by Phil Webb on 7th February 2013

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