isNull is a Boolean function that returns either true or false based on the value passed to it.

Function: isNull()

isNull is a Boolean function that returns either true or false based on the value passed to it. For example:

Returns True if the passed value is _NULL.

Syntax

isNull(test)

Examples

isNull(_NULL)

Returns True

isNull("")

Returns False

isNull(3)

Returns False

See Also

• Functions
• isEmpty