Run results for: Math.random vs crypto.getRandom

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36 Edge/18.18363

Browser: Edge 18.18363

Operating system: Windows

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
Math.random()	7065596.0 Ops/sec
crypto.getRandomValues()	507787.7 Ops/sec

Tests:

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