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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 (X11; Linux x86_64; rv:127.0) Gecko/20100101 Firefox/127.0
Firefox 127
Linux
Desktop
5 months ago
Test name Executions per second
Math.random().toString(36).substring(2, 12) 3948344.0 Ops/sec
Date.now() 852788.4 Ops/sec
Tests:

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

  • Date.now()

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