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

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/140.0.0.0 Safari/537.36

Browser: Chrome 140

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

date.getTime()

1.9M/s

crypto.randomUUID()

2K/s

View exact numbers

Test name	Executions per second
✓ date.getTime()	1,885,195 Ops/sec
crypto.randomUUID()	2,087 Ops/sec

Script Preparation code:

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

Tests: