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Run results for:
isNaN vs Number.isNaN vs Object.is
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=565013" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36 Edg/130.0.0.0
Browser:
Chrome 130
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
isNaN
163K/s
Number.isNaN
161K/s
Object.is
82K/s
View exact numbers
Test name
Executions per second
✓
isNaN
163,179 Ops/sec
Number.isNaN
161,309 Ops/sec
Object.is
81,856 Ops/sec
Script Preparation code:
var num = Array(100).fill(0).map(v => Math.random() < 0.2 ? NaN : Math.random());
Tests:
isNaN
num.map(v => isNaN(v));
Number.isNaN
num.map(v => Number.isNaN(v))
Object.is
num.map(v => Object.is(v, NaN));