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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=583469" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (iPhone; CPU iPhone OS 18_1_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.1.1 Mobile/15E148 Safari/604.1
Browser:
Mobile Safari 18
Operating system:
iOS 18.1.1
Device Platform:
Mobile
Date tested:
one year ago
Benchmark engine:
Benchmark.js
Math.random
334.6M/s
crypto API
4.8M/s
View exact numbers
Test name
Executions per second
✓
Math.random
334,558,656 Ops/sec
crypto API
4,775,704 Ops/sec
Tests:
Math.random
Math.random()
crypto API
crypto.getRandomValues(new Uint8Array(1))