Run results for: Checking numbers (non signed integers): "Number.isFinite()" vs "!== null" (equal to null)

Run details:

User agent: Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.0.0 Safari/537.36 OPR/93.0.0.0 (Edition beta)

Browser: Opera 93

Operating system: Windows 8.1

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
Number.isFinite()	262.9 Ops/sec
!== null	3706.7 Ops/sec

Script Preparation code:

var numbersCount = 10000;

var numbers = Array.from({
    length: numbersCount
}).map(() => Math.round(Math.random() * numbersCount));

Tests:

Number.isFinite()
numbers.filter((number) => Number.isFinite(number));
!== null
numbers.filter((number) => number !== null);