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

Backticks / `+` / `.concat(…)`

Benchmark created on May 22, 2025

Test runner

Ready to run.

Test Ops/sec

Backticks

Testing in
Test	Ops/sec
Backticks	console.log(`One is ${1}, two is ${2}, foo is ${"foo"}`)	ready
+	`console.log("One is " + 1 + ", two is " + 2 + ", foo is " + "foo")`	ready
.concat(…)	`console.log("One is ".concat(1).concat(", two is ").concat(2).concat(", foo is ").concat("foo"))`	ready

console.log(`One is ${1}, two is ${2}, foo is ${"foo"}`)

ready

console.log("One is " + 1 + ", two is " + 2 + ", foo is " + "foo")

ready

.concat(…)

console.log("One is ".concat(1).concat(", two is ").concat(2).concat(", foo is ").concat("foo"))

ready

Revisions

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

Revision 1: published on May 22, 2025