Run results for: Math.random vs crypto.getRandom

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/12.1.1 Safari/605.1.15

Browser: Safari 12

Operating system: Mac OS X 10.14.5

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
Math.random()	6585698.0 Ops/sec
crypto.getRandomValues()	208183.9 Ops/sec

Tests:

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