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Run results for:
Boolean vs !! vs ternary vs custom vs ==
Best boolean coercion
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Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/138.0.0.0 Safari/537.36
Browser:
Chrome 138
Operating system:
Windows
Device Platform:
Desktop
Date tested:
9 months ago
Test name
Executions per second
Implicit coercion
117602736.0 Ops/sec
Ternary
106867664.0 Ops/sec
Boolean
121976296.0 Ops/sec
Custom function
118458976.0 Ops/sec
Equation
52323804.0 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