Run details:
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
Chrome 133
Mac OS X 10.15.7
Desktop
11 days ago
Test name Executions per second
Boolean 267451408.0 Ops/sec
Double negation trick 249697392.0 Ops/sec
Script Preparation code:
AخA
 
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