Run results for: crypto.randomUUID() vs crypto.getRandomValues()

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/140.0.0.0 Safari/537.36

Browser: Chrome 140

Operating system: Windows

Device Platform: Desktop

Date tested: 10 months ago

random

387/s

uuid

382/s

View exact numbers

Test name	Executions per second
✓ random	387 Ops/sec
uuid	382 Ops/sec

Script Preparation code:

iterations = 1000

Tests:

uuid
const arr = []; for (let i = 0; i < iterations; i++) { arr.push(crypto.randomUUID()); }
random
const arr = []; for (let i = 0; i < iterations; i++) { arr.push(crypto.getRandomValues(new Uint8Array(16))); }