jQUery Selectors vs Native API

JavaScript performance comparison

Revision 19 of this test case created

Preparation code

<div id="testid"></div>
<div class="testclass"></div>

<script src="//ajax.googleapis.com/ajax/libs/jquery/2.0.0/jquery.min.js"></script>
 

Preparation code output

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Testing in unknown unknown
Test Ops/sec
jQuery ID Selector
$("#testid");
pending…
getElementById
document.getElementById("testid");
pending…
Native ECMA5
document.querySelector("#testid");
pending…
Jquery By class
$(".testclass");
 
pending…
Native ECMA5
document.querySelector(".testclass");
pending…
Native
document.getElementsByClassName("testClass");
pending…

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