Run results for: Math.random vs crypto.getRandom

Run details:

User agent: Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Mobile Safari/537.36

Browser: Chrome Mobile 120

Operating system: Android

Device Platform: Mobile

Date tested: 2 years ago

Math.random()

5.2M/s

crypto.getRandomValues()

105K/s

View exact numbers

Test name	Executions per second
✓ Math.random()	5,247,977 Ops/sec
crypto.getRandomValues()	104,610 Ops/sec

Tests:

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