jQuery prop('checked') vs. is(':checked')

JavaScript performance comparison

Revision 17 of this test case created

Info

A quick test to see if prop('checked') or is(':checked') is faster with jQuery.

Preparation code

<script src="//ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>
<div id="content">
<form method="post" action="/">
<h2>Traffic Light</h2>
<ul id="traffic_light">
<li><input type="radio" class="on" name="light" value="red" /> Red</li>
<li><input type="radio" class="off" name="light" value="yellow" /> Yellow</li>
<li><input type="radio" class="off" name="light" value="green" /> Green</li>
</ul>
<input class="button" id="traffic_button" type="submit" value="Go" />
</form>
</div>
 

Preparation code output

Traffic Light

  • Red
  • Yellow
  • Green

Test runner

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Testing in unknown unknown
Test Ops/sec
Id select
var traffic_button = $('#content .button');
pending…
class select
var traffic_button = $('#traffic_button');
pending…

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1 comment

Jamie Houston commented :

This test revision doesn't even test is vs checked! What happened here??

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