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boolean

Converts a value to Boolean.

boolean ( object )

The following table describes the boolean argument:

Argument	Description
object	Numeric or character string datatype. Passes a number or string to test.

Boolean.

The function returns a Boolean as follows:

A string returns TRUE if its length is not zero, otherwise it returns FALSE.

A number returns FALSE if it is zero or not a number (NaN), otherwise it returns TRUE.

The following example verifies that a name has characters:

boolean ( NAME )

The following table includes example arguments and return values:

NAME	RETURN VALUE
Lilah	TRUE
-	FALSE

The following example verifies that a zip code is numeric:

boolean ( ZIP_CODE )

The following table includes example arguments and return values:

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