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Run results for: Math.random vs crypto.getRandom

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Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 11_1_0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.88 Safari/537.36
Chrome 87
Mac OS X 11.1.0
Desktop
4 years ago
Test name Executions per second
Math.random() 4382939.5 Ops/sec
crypto.getRandomValues() 166211.2 Ops/sec
Tests:

  • Math.random()

    AخA
     
    Math.random()

  • crypto.getRandomValues()

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