Run results for: Number.isInteger() vs typeof - MeasureThat.net

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36

Browser: Chrome 131

Operating system: Windows

Device Platform: Desktop

Date tested: 17 days ago

Test name	Executions per second
Number.isInteger() positive	169440592.0 Ops/sec
typeof positive	210013104.0 Ops/sec
Number.isInteger() negative	175134800.0 Ops/sec
typeof negative	193133504.0 Ops/sec

Tests:

Number.isInteger() positive
Number.isInteger(3) === true
typeof positive
typeof 3 === "number";
Number.isInteger() negative
Number.isInteger("three") === false
typeof negative
typeof "three" === "number";