Run results for: Math.random vs crypto.getRandom

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Browser: Chrome 126

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

Math.random()

9.1M/s

crypto.getRandomValues()

486K/s

View exact numbers

Test name	Executions per second
✓ Math.random()	9,112,020 Ops/sec
crypto.getRandomValues()	486,314 Ops/sec

Tests:

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