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

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 18_2 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) FxiOS/133.0 Mobile/15E148 Safari/605.1.15

Browser: Mobile Safari 18

Operating system: iOS 18.2

Device Platform: Mobile

Date tested: one year ago

Math.random

310.3M/s

crypto.getRandomValues

2.2M/s

crypto.randomUUID

1.3M/s

View exact numbers

Script Preparation code:

var array = new Uint32Array(1)

Tests: