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Run results for:
Boolean vs !! vs ternary vs custom vs ==
Best boolean coercion
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<iframe src="https://measurethat.net/Embed?id=561136" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:131.0) Gecko/20100101 Firefox/131.0
Browser:
Firefox 131
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
Test name
Executions per second
Implicit coercion
1458915328.0 Ops/sec
Ternary
1111071744.0 Ops/sec
Boolean
1512455040.0 Ops/sec
Custom function
1537984896.0 Ops/sec
Script Preparation code:
var string = '1234'; function toBoolean(value){ return !!value }
Tests:
Implicit coercion
!!string
Ternary
string ? true : false
Boolean
Boolean(string)
Custom function
toBoolean(string)
Equation
string == true