UUID golf
JavaScript performance comparison
Preparation code
<script>
Benchmark.prototype.setup = function() {
build = function(a,b){for(b=a='';a++<36;b+=~a%5|a*3&4?(a^15?8^Math.random()*(a^20?16:4):4).toString(16):'-');return b}
replace = function b(a){return a?(a^Math.random()*16>>a/4).toString(16):([1e7]+-1e3+-4e3+-8e3+-1e11).replace(/[018]/g,b)}
// http://stackoverflow.com/questions/105034/how-to-create-a-guid-uuid-in-javascript/2117523#2117523
stackoverflow2117523 = function() {'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) {
var r = Math.random()*16|0, v = c == 'x' ? r : (r&0x3|0x8);
return v.toString(16);
});}
};
</script>
Test runner
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Java applet disabled.
| Test | Ops/sec | |
|---|---|---|
build() |
|
pending… |
replace() |
|
pending… |
stackoverflow answer #2117523 |
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pending… |
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Revisions
You can edit these tests or add even more tests to this page by appending /edit to the URL. Here’s a list of current revisions for this page:
- Revision 1: published by Jed Schmidt
- Revision 2: published
- Revision 3: published by LO
- Revision 6: published
- Revision 7: published
- Revision 8: published by Jason Mulligan
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