Run results for: Math.random vs crypto.getRandomValues (2) vs RandomUUID

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.5 Safari/605.1.15

Browser: Safari 18

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Math.random

6.7M/s

crypto.randomUUID

6.4M/s

crypto.getRandomValues

3.9M/s

View exact numbers

Script Preparation code:

var array = new Uint32Array(1)

Tests: