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Run results for:
Math.random().toString(36).substring(2, 12) vs Date.now()
Which is best for generating a unique key?
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=530005" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (X11; Linux x86_64; rv:127.0) Gecko/20100101 Firefox/127.0
Browser:
Firefox 127
Operating system:
Linux
Device Platform:
Desktop
Date tested:
2 years ago
Benchmark engine:
Benchmark.js
Math.random().toString(36).substring(2, 12)
3.9M/s
Date.now()
853K/s
View exact numbers
Test name
Executions per second
✓
Math.random().toString(36).substring(2, 12)
3,948,344 Ops/sec
Date.now()
852,788 Ops/sec
Tests:
Math.random().toString(36).substring(2, 12)
Math.random().toString(36).substring(2, 12)
Date.now()
Date.now()