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

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:142.0) Gecko/20100101 Firefox/142.0

Browser: Firefox 142

Operating system: Windows

Device Platform: Desktop

Date tested: 10 months ago

Double negation trick

1844.5M/s

Boolean

1843.6M/s

View exact numbers

Test name	Executions per second
✓ Double negation trick	1,844,487,168 Ops/sec
Boolean	1,843,551,232 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