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
A check to see if there is any increase in speed by using a function that caches values as they are computed.
<script type="text/javascript">
var cachedSin = (function() {
var cache = [],
sin = Math.sin; /* Faster than global... */
return function(n) {
return (cache[n]) ? cache[n] : (cache[n] = sin(n));
}
})();
</script>
Ready to run.
Test | Ops/sec | |
---|---|---|
cachedSin() |
| ready |
Math.sin() |
| ready |
You can edit these tests or add more tests to this page by appending /edit to the URL.