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

i++ vs i += 1 vs ++i vs i = i + 1 (v3)

Revision 3 of this benchmark created by Mourner on February 9, 2012

Setup

i = 0;

Test runner

Ready to run.

Testing in
Test		Ops/sec
i++	`i++;`	ready
i += 1	`i += 1;`	ready
++i	`++i;`	ready
i = i + 1	`i = i + 1;`	ready

Revisions

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

Revision 1: published by 51L3N7 on November 1, 2011
Revision 3: published by Mourner on February 9, 2012
Revision 4: published on June 18, 2012