Run results for: Math.random vs crypto.getRandom

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:139.0) Gecko/20100101 Firefox/139.0

Browser: Firefox 139

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Math.random()

2599.1M/s

crypto.getRandomValues()

1.8M/s

View exact numbers

Test name	Executions per second
✓ Math.random()	2,599,081,216 Ops/sec
crypto.getRandomValues()	1,804,638 Ops/sec

Tests:

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