Run results for: Check is string or object with property - MeasureThat.net

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.0.0 Safari/537.36

Browser: Chrome 111

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
Property test Object	12495421.0 Ops/sec
String test Object	10290175.0 Ops/sec
Property test String	10023466.0 Ops/sec
String test String	9832067.0 Ops/sec

Script Preparation code:

var xxx = {test: 1};
var yyy = "TEST";

Tests:

Property test Object
if(xxx?.test){ }
String test Object
if(typeof xxx === 'string'){ }
Property test String
if(yyy?.test){ }
String test String
if(typeof yyy === 'string'){ }