Run results for: Math.random vs crypto.getRandom

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 11_1_0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.141 Safari/537.36

Browser: Chrome 87

Operating system: Mac OS X 11.1.0

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
Math.random()	7888751.0 Ops/sec
crypto.getRandomValues()	318319.8 Ops/sec

Tests:

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