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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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Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/106.0.0.0 Safari/537.36 Edg/106.0.1370.47
Chrome 106
Windows
Desktop
2 years ago
Test name Executions per second
Math.random().toString(36).substring(2, 12) 1741743.8 Ops/sec
Date.now() 2314872.5 Ops/sec
Tests:

  • Math.random().toString(36).substring(2, 12)

  • Date.now()

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