Run results for: typeof number vs. Number.isNan vs. isNan vs self comparison. Versus let

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Run details:
Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Mobile Safari/537.36
Chrome Mobile 133
Android
Mobile
one year ago
typeof
11.0M/s
Number.isNan
10.2M/s
isNaN
10.1M/s
Self comparison
9.9M/s
View exact numbers
Test name Executions per second
✓ typeof 10,999,733 Ops/sec
Number.isNan 10,217,771 Ops/sec
isNaN 10,064,553 Ops/sec
Self comparison 9,888,287 Ops/sec
Script Preparation code:
Tests: