Run results for: Battle of the bools

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.0.0 Safari/537.36

Browser: Chrome 105

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
Boolean	1274581.4 Ops/sec
Double negate	3676606.2 Ops/sec
Boolejan	1822707.9 Ops/sec
Boolejan2	1814939.8 Ops/sec

Script Preparation code:

var bFalse = false;
var sEmpty = '';
var sFilled = 'Foo';
var nZero = 0;
var nOne = 1;

var Boolejan = (input) => !!input
var Boolejan2 = (input) => !input ? false : true

Tests:

Boolean
Boolean(bFalse) Boolean(sEmpty) Boolean(sFilled) Boolean(nZero) Boolean(nOne)
Double negate
!!bFalse !!sEmpty !!sFilled !!nZero !!nOne
Boolejan
Boolejan(bFalse) Boolejan(sEmpty) Boolejan(sFilled) Boolejan(nZero) Boolejan(nOne)
Boolejan2
Boolejan2(bFalse) Boolejan2(sEmpty) Boolejan2(sFilled) Boolejan2(nZero) Boolejan2(nOne)

Run results for: Battle of the bools

Boolean

Double negate

Boolejan

Boolejan2