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
function f0(x) {
return x + 1;
}
function f1() {
let x;
for(let i = 0; i < 100_000; i++) {
x = Math.random();
f0(x);
}
}
function f2() {
for(let i = 0; i < 100_000; i++) {
let x = Math.random();
f0(x);
}
}
Ready to run.
Test | Ops/sec | |
---|---|---|
Shadow variable in loop |
| ready |
Don't shadow variable in loop |
| ready |
You can edit these tests or add more tests to this page by appending /edit to the URL.