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
<script>
function argumentsToArray1(args) {
var arr = [];
for (
var
i = (arguments.length > 1) ? arguments[1] : 0, len = args.length;
i < len;
i++) {
arr[arr.length] = args[i];
}
return arr;
}
function argumentsToArray() {
var arr = [];
for (
var
i = (arguments.length > 1) ? arguments[1] : 0, args = arguments[0], len = args.length;
i < len;
i++) {
arr[arr.length] = args[i];
}
return arr;
}
function addAll(dest, src) {
for (var i = 0, len = src.length; i < len; i++) {
dest.push(src[i]);
}
}
function addAll_arguments() {
for (
var
i = 0, dest = arguments[0], src = arguments[1], len = src.length;
i < len; i++) {
dest.push(src[i]);
}
}
function addAll_touch(dest, src) {
var a = arguments[2];
for (var i = 0, len = src.length; i < len; i++) {
dest.push(src[i]);
}
}
function addAll_arguments_touch() {
var a = arguments[2];
for (
var
i = 0, dest = arguments[0], src = arguments[1], len = src.length;
i < len; i++) {
dest.push(src[i]);
}
}
</script>
Ready to run.
Test | Ops/sec | |
---|---|---|
passing in args |
| ready |
passing in args alt |
| ready |
arguments |
| ready |
arguments alt |
| ready |
addAll( dest, src ) |
| ready |
addAll_arguments() |
| ready |
You can edit these tests or add more tests to this page by appending /edit to the URL.