Run results for: Math.random vs crypto.getRandom

Run details:

User agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:109.0) Gecko/20100101 Firefox/116.0

Browser: Firefox 116

Operating system: Ubuntu

Device Platform: Desktop

Date tested: 2 years ago

Math.random()

1531.4M/s

crypto.getRandomValues()

2.8M/s

View exact numbers

Test name	Executions per second
✓ Math.random()	1,531,402,240 Ops/sec
crypto.getRandomValues()	2,835,789 Ops/sec

Tests:

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