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Run results for: Math.random vs crypto.getRandom

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Run details:
Mozilla/5.0 (Linux; Android 6.0; Nexus 5 Build/MRA58N) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Mobile Safari/537.36
Chrome Mobile 91
Android 6.0
Mobile
3 years ago
Test name Executions per second
Math.random() 8489242.0 Ops/sec
crypto.getRandomValues() 699887.5 Ops/sec
Tests:

  • Math.random()

    AخA
     
    Math.random()

  • crypto.getRandomValues()

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