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Run results for:
Math.random vs crypto.getRandomValues
Fast and quick test
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<iframe src="https://measurethat.net/Embed?id=522471" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (iPhone; CPU iPhone OS 17_4 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/124.0.6367.111 Mobile/15E148 Safari/604.1
Browser:
Chrome Mobile iOS 124
Operating system:
iOS 17.4
Device Platform:
Mobile
Date tested:
2 years ago
Benchmark engine:
Benchmark.js
Math.random
18.3M/s
crypto API
3.5M/s
View exact numbers
Test name
Executions per second
✓
Math.random
18,269,898 Ops/sec
crypto API
3,510,378 Ops/sec
Tests:
Math.random
Math.random()
crypto API
crypto.getRandomValues(new Uint8Array(1))