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Run results for:
typeof number vs. Number.isNan vs. isNan
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Run details:
User agent:
curl
Browser:
Other
Operating system:
Other
Device Platform:
Desktop
Date tested:
one year ago
typeof
142.9M/s
isNaN
16.0M/s
Number.isNan
15.8M/s
View exact numbers
Test name
Executions per second
✓
typeof
142,918,464 Ops/sec
isNaN
15,963,581 Ops/sec
Number.isNan
15,754,234 Ops/sec
Tests:
typeof
typeof 5 === 'number'
Number.isNan
Number.isNaN(5)
isNaN
isNaN(5)