selector test id/id id/id class

JavaScript performance comparison

Revision 23 of this test case created

Preparation code

<script src="//ajax.googleapis.com/ajax/libs/jquery/1.8.1/jquery.min.js"></script>


<div id="Mytbl">
<div id="MyElement"></div>
<div class="MyClass"></div>
<div class="MyClass2"></div>
<div class="MyClass3"></div>
</div>

Preparation code output

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Testing in unknown unknown
Test Ops/sec
Direct ID
$('#MyElement');


 
pending…
Nested ID's
$('#Mytbl #MyElement')
pending…
ID - Class
$('#Mytbl .MyClass')
$('#Mytbl .MyClass2')
$('#Mytbl .MyClass3')
pending…
ID find Class
$('#Mytbl').find('.MyClass');
$('#Mytbl').find('.MyClass2');
$('#Mytbl').find('.MyClass3');
pending…
Cache ID find Class
var found = $('#Mytbl');
found.find('.MyClass');
found.find('.MyClass2');
found.find('.MyClass3');
pending…
Cache ID scoped Class
var found = $('#Mytbl');
$('.MyClass', found);
$('.MyClass2', found);
$('.MyClass3', found);
pending…
ID Scoped Class
$('#Mytbl > .MyClass')
$('#Mytbl > .MyClass2')
$('#Mytbl > .MyClass3')
pending…

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