Run results for: Boolean constructor vs double negotiation trick in javascript

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.36

Browser: Chrome 133

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Boolean

267.5M/s

Double negation trick

249.7M/s

View exact numbers

Test name	Executions per second
✓ Boolean	267,451,408 Ops/sec
Double negation trick	249,697,392 Ops/sec

Script Preparation code:

var bFalse = false;
var sEmpty = '';
var sFilled = 'Foo';
var nZero = 0;
var nOne = 1;

Tests:

Boolean
Boolean(bFalse) Boolean(sEmpty) Boolean(sFilled) Boolean(nZero) Boolean(nOne)
Double negation trick
!!bFalse !!sEmpty !!sFilled !!nZero !!nOne