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

getElementById VS jQuery('#id') (v171)

Revision 171 of this benchmark created on February 14, 2015

Preparation HTML

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js">
</script>
<p class="bar" id="foo">
  Test
</p>

Test runner

Ready to run.

Testing in
Test		Ops/sec
getElementById	`$(document.getElementsByClassName('bar'))`	ready
jQuery	`$('.bar');`	ready

Revisions

You can edit these tests or add more tests to this page by appending /edit to the URL.

Revision 1: published on March 20, 2012
Revision 2: published on March 27, 2012
Revision 3: published on March 27, 2012
Revision 4: published on March 29, 2012
Revision 5: published on March 29, 2012
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Revision 11: published by Onigoetz on April 10, 2012
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Revision 15: published by Jennifer Simonds on June 6, 2012
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Revision 20: published by Goonoo Kim on August 1, 2012
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Revision 25: published by tester obj on October 3, 2012
Revision 26: published by Dan Lee on October 3, 2012
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Revision 30: published by Jason on November 5, 2012
Revision 31: published by Marcin on December 2, 2012
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Revision 179: published by Arjan Kleene on March 26, 2015
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Revision 191: published by Will on May 15, 2015
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Revision 206: published on May 11, 2023
Revision 208: published on August 14, 2024