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/120.0.0.0 Safari/537.36

Browser: Chrome 120

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Math.random()

7.9M/s

crypto.getRandomValues()

632K/s

View exact numbers

Test name	Executions per second
✓ Math.random()	7,893,710 Ops/sec
crypto.getRandomValues()	631,614 Ops/sec

Tests:

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