Run results for: String Constructor vs toString

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:151.0) Gecko/20100101 Firefox/151.0

Browser: Firefox 151

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: 2 months ago

String()

40.7M/s

toString()

38.0M/s

View exact numbers

Test name	Executions per second
✓ String()	40,749,716 Ops/sec
toString()	38,037,944 Ops/sec

Script Preparation code:

function usingConstructor(values) {
   return values.map(String); 
}

function usingToString(values) {
   return values.map(v => v.toString()); 
}

Tests:

String()
usingConstructor([42, "42"])
toString()
usingToString([42, "42"])