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
Testing for the existence of characters in a string using Regular Expressions test, search, and match compared to indexOf.
<script>
var str = 'Mozilla/5.0 (iPhone; CPU iPhone OS 7_0 like Mac OS X; en-us) AppleWebKit/537.51.1 (KHTML, like Gecko) Version/7.0 Mobile/11A465 Safari/9537.53';
var strLower = 'mozilla/5.0 (iphone; cpu iphone os 7_0 like mac os x; en-us) applewebkit/537.51.1 (khtml, like gecko) version/7.0 mobile/11a465 safari/9537.53';
var precompiledRegex = /iPhone/;
</script>
Ready to run.
Test | Ops/sec | |
---|---|---|
test |
| ready |
search |
| ready |
match |
| ready |
indexOf |
| ready |
indexOf - 2 |
| ready |
You can edit these tests or add more tests to this page by appending /edit to the URL.