jsPerf.app is an online JavaScript performance benchmark test runner & jsperf.com mirror. It is a complete rewrite in homage to the once excellent jsperf.com now with hopefully a more modern & maintainable codebase.
jsperf.com URLs are mirrored at the same path, e.g:
https://jsperf.com/negative-modulo/2
Can be accessed at:
https://jsperf.app/negative-modulo/2
Test that shows how fast a query can be made via data atributes and how fast it is made via classes.
<script src="//ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>
<div class="virtual-body">
<div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div>
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mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 component mycomponent' data-component='mycomponent'><div class='classdeclaration1 component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 component mycomponent' data-component='mycomponent'></div></div><div class='classdeclaration1 component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'><div class='classdeclaration1 component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 component mycomponent' data-component='mycomponent'><div class='classdeclaration1 component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 component mycomponent' data-component='mycomponent'><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div></div></div><div class='classdeclaration1 component mycomponent' data-component='mycomponent'></div></div><div class='classdeclaration1 widget component mycomponent' data-component='mycomponent'></div>
</div>
ui.$virtualBody = $('.virtual-body');
ui.virtualBody = ui.$virtualBody[0];
Ready to run.
Test | Ops/sec | |
---|---|---|
jQuery Class Selector |
| ready |
jQuery Data Attribute Selector |
| ready |
jQuery Data Attribute Selector (no value) |
| ready |
queryAll by class |
| ready |
queryAll by data-attr |
| ready |
queryAll by data-attr (no value) |
| ready |
getElementsByClassName |
| ready |
jQuery wrap getElementsByClassName |
| ready |
You can edit these tests or add more tests to this page by appending /edit to the URL.