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:122.0) Gecko/20100101 Firefox/122.0

Browser: Firefox 122

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Boolean

1312.7M/s

Double negation trick

1273.5M/s

View exact numbers

Test name	Executions per second
✓ Boolean	1,312,703,232 Ops/sec
Double negation trick	1,273,488,128 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