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Run results for:
Math.random vs Date.now
Which is best for generating a unique key?
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Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36
Browser:
Chrome 120
Operating system:
Windows
Device Platform:
Desktop
Date tested:
2 years ago
Benchmark engine:
Benchmark.js
Math.random
15.4M/s
Date.now
10.5M/s
View exact numbers
Test name
Executions per second
✓
Math.random
15,410,362 Ops/sec
Date.now
10,536,356 Ops/sec
Tests:
Math.random
Math.random()
Date.now
Date.now()