Run results for: Math.random vs Date.now

Which is best for generating a unique key?

Go to the benchmark
Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Chrome 131
Mac OS X 10.15.7
Desktop
one year ago
Benchmark.js
Math.random
124.8M/s
Date.now
23.0M/s
View exact numbers
Test name Executions per second
✓ Math.random 124,807,160 Ops/sec
Date.now 23,001,572 Ops/sec
Tests: