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Random string 2
(version: 1)
Comparing performance of:
generate vs crypto.randomUUID()
Created:
one year ago
by:
Guest
Go to the latest result
Script Preparation code:
var registeredIds = new Set(); function generate(length) { let id = Math.random().toString(36).substring(2, length + 2); while(this.registeredIds.has(id)) { id = Math.random().toString(36).substring(2, length + 2); } registeredIds.add(id); return id; }
Tests:
generate
generate(10)
crypto.randomUUID()
crypto.randomUUID()
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
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Test case name
Result
generate
crypto.randomUUID()
Fastest:
N/A
Slowest:
N/A
Latest run results:
Run details:
(Test run date:
one year ago
)
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.36
Browser/OS:
Chrome 133 on Windows
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=589374" width="100%" height="500px"></iframe>
generate
1.3M/s
crypto.randomUUID()
902K/s
View exact numbers
Test name
Executions per second
✓
generate
1,325,104 Ops/sec
crypto.randomUUID()
901,684 Ops/sec
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