Run results for: Crypto.randomUUID() vs new Date().getTime()

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36

Browser: Chrome 131

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

date.getTime()

1.3M/s

crypto.randomUUID()

4K/s

View exact numbers

Test name	Executions per second
✓ date.getTime()	1,297,019 Ops/sec
crypto.randomUUID()	3,923 Ops/sec

Script Preparation code:

var dates = Array.from({length: 200}, () => new Date())

Tests: