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
Checking performance of Array.reverse() vs custom loops.
Also see http://jsperf.com/forloop-vs-reverse-while-loop-and-array-reverse/9.
<script>
var array = new Uint8Array(1980*1080*4);
var length = array.byteLength;
</script>
Ready to run.
Test | Ops/sec | |
---|---|---|
simple while |
| ready |
while push then slice |
| ready |
while forward |
| ready |
for push then slice |
| ready |
for push |
| ready |
for swap |
| ready |
for swap half |
| ready |
You can edit these tests or add more tests to this page by appending /edit to the URL.