Run results for: Math.random vs crypto.getRandom

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.0.0 Safari/537.36

Browser: Chrome 121

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

Math.random()

15.3M/s

crypto.getRandomValues()

1.0M/s

View exact numbers

Test name	Executions per second
✓ Math.random()	15,305,166 Ops/sec
crypto.getRandomValues()	1,019,014 Ops/sec

Tests:

Math.random()
Math.random()
crypto.getRandomValues()
crypto.getRandomValues(new Uint32Array(1))[0] / 4294967296