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
Test two methods of retrieving QueryString values with javascript.
<script>
var query = "q=my+search+query&value=55";
window.GetQueryString = function(q) {
return (function(a) {
if (a == "") return {};
var b = {};
for (var i = 0; i < a.length; ++i) {
var p = a[i].split('=');
if (p.length != 2) continue;
b[p[0]] = decodeURIComponent(p[1].replace(/\+/g, " "));
}
return b;
})(q.split("&"));
};
var pl = /\+/g,
search = /([^&=]+)=?([^&]*)/g;
window.GetQueryString = () {
var match,
decode = function (s) { return decodeURIComponent(s.replace(pl, " ")); },
query = window.location.search.substring(1);
var urlParams = {};
while (match = search.exec(query))
urlParams[decode(match[1])] = decode(match[2]);
return urlParams;
};
</script>
Ready to run.
Test | Ops/sec | |
---|---|---|
Split method |
| ready |
Regex method |
| ready |
You can edit these tests or add more tests to this page by appending /edit to the URL.