Run results for: Battle of the bools

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.0.0 Safari/537.36

Browser: Chrome 107

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
Boolean	1947362.5 Ops/sec
Double negate	5433305.0 Ops/sec
Boolejan	2742170.0 Ops/sec
Boolejan2	2749026.0 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