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 and includes

Benchmark created on August 26, 2024

Setup

const s = "abcde.ciao#uei";
const loopSize = 10000;

Test runner

Ready to run.

Test Ops/sec

test

Testing in
Test	Ops/sec
test	`for (let i = 0; i < loopSize; i++) for (let j = 0; j < s.length; j++) /[#.]/.test(s[j]);`	ready
includes	`for (let i = 0; i < loopSize; i++) for (let j = 0; j < s.length; j++) "#.".includes(s[j]);`	ready
comparison	`for (let i = 0; i < loopSize; i++) for (let j = 0; j < s.length; j++) s[j] === "#" \|\| s[j] === ".";`	ready

for (let i = 0; i < loopSize; i++)
	for (let j = 0; j < s.length; j++)
		/[#.]/.test(s[j]);

ready

includes

for (let i = 0; i < loopSize; i++)
	for (let j = 0; j < s.length; j++)
		"#.".includes(s[j]);

ready

comparison

for (let i = 0; i < loopSize; i++)
	for (let j = 0; j < s.length; j++)
		s[j] === "#" || s[j] === ".";

ready

Revisions

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

Revision 1: published on August 26, 2024