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Run results for:
Math.random vs crypto.getRandomValues vs uuid
Fast and quick test
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Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36
Browser:
Chrome 137
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
one year ago
Math.random
108.1M/s
crypto API
784K/s
Uuid
743K/s
View exact numbers
Test name
Executions per second
✓
Math.random
108,103,640 Ops/sec
crypto API
784,186 Ops/sec
Uuid
742,698 Ops/sec
Tests:
Math.random
Math.random()
crypto API
crypto.getRandomValues(new Uint8Array(1))
Uuid
crypto.randomUUID()