Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/98.0.4758.102 Safari/537.36
Chrome 98
Windows
Desktop
2 years ago
Test name Executions per second
Boolean 970111.1 Ops/sec
Double negation trick 2960512.8 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