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 isJsonRegex = function(str) {
if (str == '') return false;
return !(/[^,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t]/.test(str.replace(/"(\\.|[^"\\])*"/g,'')));
}
var isJsonTryCatch = function() {
try {
o = JSON.parse(text);
return true;
} catch (e) {}
return false;
}
Ready to run.
Test | Ops/sec | |
---|---|---|
Regex validation |
| ready |
Try/Catch validation |
| ready |
You can edit these tests or add more tests to this page by appending /edit to the URL.