Run results for: Math.random vs Date.now

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 15_6 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/108.0.5359.112 Mobile/15E148 Safari/604.1

Browser: Chrome Mobile iOS 108

Operating system: iOS 15.6

Device Platform: Mobile

Date tested: one year ago

Test name	Executions per second
Math.random	11286546.0 Ops/sec
Date.now	7580895.0 Ops/sec

Tests:

Math.random
Math.random()
Date.now
Date.now()

Run results for: Math.random vs Date.now

Which is best for generating a unique key?

Math.random

Date.now