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
This is comparing the runtimes of substr, substring, and slice in a string for large (10000 character) string size.
var str = ""
for(var i = 0; i < 100; i++) {
str += "3q7EkWBFOElREkFwpC7wQ1OzeMT44KzBxPineiWC75uj3gtwxrVH2HaeXw1lrh8WvauFb1yhCqHLu";
}
Ready to run.
Test | Ops/sec | |
---|---|---|
slice |
| ready |
substr |
| ready |
substring |
| ready |
You can edit these tests or add more tests to this page by appending /edit to the URL.