Run results for: Math.random vs crypto.getRandom

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Firefox/91.0

Browser: Firefox 91

Operating system: Linux

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
Math.random()	930918300.0 Ops/sec
crypto.getRandomValues()	1328597.0 Ops/sec

Tests:

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