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

jQuery :first vs .first() vs .eq(0) - with first matching parent through .parents(), closest(), parentsUntil() (v5)

Revision 5 of this benchmark created by GregWa on November 10, 2010

Test runner

Ready to run.

Testing in
Test		Ops/sec
		ready
		ready
		ready
		ready
		ready
		ready
		ready
		ready
		ready
		ready

Revisions

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

Revision 1: published by Andreas on August 26, 2010
Revision 2: published on September 1, 2010
Revision 5: published by GregWa on November 10, 2010