Run results for: isFinite vs typeof

Run details:

User agent: Mozilla/5.0 (X11; Fedora; Linux x86_64; rv:96.0) Gecko/20100101 Firefox/96.0

Browser: Firefox 96

Operating system: Fedora

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
isFinite	5133184.0 Ops/sec
typeof === "number"	6919639.0 Ops/sec

Script Preparation code:

varsToCheck = [3, 3.14, "some string", null, undefined];
count = 0;

Tests:

isFinite
varsToCheck.forEach(function(v){ if(Number.isFinite(v)) { count++ } });
typeof === "number"
varsToCheck.forEach(function(v){ if(typeof v === "number") { count++ } });