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
var arr = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20];
function shortEm(b) {
var a = [],
i, len = b.length - 1;
for (var i = 0; i < len; i++) {
a[i] = b[i + 1];
}
a[len] = b[0];
return a;
}
function inPlace(b) {
var t = b[0], len = b.length - 1;
for (var i = 0; i < len; i++) {
b[i] = b[i + 1];
}
b[len] = t;
}
Ready to run.
Test | Ops/sec | |
---|---|---|
shift-push |
| ready |
splice-push |
| ready |
slice-push |
| ready |
shift-addIndex |
| ready |
splice-addIndex |
| ready |
slice-addIndex |
| ready |
loop |
| ready |
axo |
| ready |
zd |
| ready |
You can edit these tests or add more tests to this page by appending /edit to the URL.