.

Considering this, is null or empty VBScript?

To check if a string is empty in VBScript, you can use the function Len. Both message boxes will be shown. A String in VBScript can't be set to Null. An unset String in VBScript has a value of "" and contains no characters.

Similarly, is null or empty VBA? 'Empty indicates a Variant variable for which you do not explicity specify an initial value, which by default gets initialized in VBA to a value that is represented as both a zero and a zero-length string. In VBA, Null keyword is used to indicate that a variable contains no valid data.

Subsequently, question is, iS NULL is empty?

Null means nothing. Its just a literal. Null is the value of reference variable. Empty string is a blank value,means the string does not have any thing.

IS NULL function in JavaScript?

The JavaScript primitive type null represents an intentional absence of a value — it is usually set on purpose to indicate that a variable has been declared but not yet assigned any value. This contrasts null from the similar primitive value undefined , which is an unintentional absence of any object value.