jQuery id vs class vs tag selectors

JavaScript performance comparison

Revision 277 of this test case created

Preparation code

<p id="foo" class="foo"></p>

<script src="//ajax.googleapis.com/ajax/libs/jquery/1.10.1/jquery.min.js"></script>

Preparation code output

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Testing in unknown unknown
Test Ops/sec
$(id)
var $foo = $('#foo');
pending…
$(class)
var $foo = $('.foo');
pending…
$(tag)
var $foo = $('p');
pending…

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