Run results for: Boolean constructor vs double negotiation trick in javascript ewsd

Run details:

User agent: Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/140.0.0.0 Mobile Safari/537.36

Browser: Chrome Mobile 140

Operating system: Android

Device Platform: Mobile

Date tested: 10 months ago

Double negation trick

3K/s

Boolean

2K/s

View exact numbers

Test name	Executions per second
✓ Double negation trick	2,558 Ops/sec
Boolean	2,306 Ops/sec

Script Preparation code:

var bFalse = false;
var sEmpty = '';
var sFilled = 'Foo';
var nZero = 0;
var nOne = 1;

Tests:

Boolean
for(i=0;i<10000;i++){ Boolean(bFalse) Boolean(sEmpty) Boolean(sFilled) Boolean(nZero) Boolean(nOne) }
Double negation trick
for(i=0;i<10000;i++){ !!bFalse !!sEmpty !!sFilled !!nZero !!nOne }