4min

boolean()

Converts supported datatypes into a Boolean, equal to either true or false. 
Syntax
boolean(value)
value - the value to be evaluated by the function.
Return type: Boolean.
Sample usage
boolean(0) returns false.
boolean("yes") returns true.
Supported data types
Input type
Return type
Logic
﻿String 
﻿Boolean 
String values that start with y or t return true. String values that start with n or f return false. 
﻿Number 
﻿Boolean 
Number values equal to 0 return false. Non-zero Number values return true.
﻿Boolean 
﻿Boolean 
Boolean values remain unchanged.
Unsupported type
﻿Null 
Unsupported data types return Null.

Updated 07 Dec 2021

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TABLE OF CONTENTS

Syntax

Sample usage

Supported data types

Input type	Return type	Logic
String	Boolean	String values that start with y or t return true. String values that start with n or f return false.
Number	Boolean	Number values equal to 0 return false. Non-zero Number values return true.
Boolean	Boolean	Boolean values remain unchanged.
Unsupported type	Null	Unsupported data types return Null.