VBScript Procedures
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Try it Yourself - Examples (IE Only) |
Sub procedure
The Sub procedure does not return a value.
Function procedure
The Function procedure is used if you want to return a value.
VBScript Procedures
In VBScript, there are two kinds of procedures:
- Sub procedure
- Function procedure
VBScript Sub Procedures
A Sub procedure:
- is a series of statements, enclosed by the Sub and End Sub statements
- can perform actions, but does not return a value
- can take arguments
- without arguments, it must include an empty set of parentheses ()
Sub mysub()
some statements
End Sub
or
Sub mysub(argument1,argument2)
some statements
End Sub |
VBScript Function Procedures
A Function procedure:
- is a series of statements, enclosed by the Function and End Function statements
- can perform actions and can return a value
- can take arguments that are passed to it by a calling procedure
- without arguments, must include an empty set of parentheses ()
- returns a value by assigning a value to its name
Function myfunction()
some statements
myfunction=some value
End Function
or
Function myfunction(argument1,argument2)
some statements
myfunction=some value
End Function |
How to Call a Procedure
The line below shows how to call a Function procedure:
Here you call a Function called "findname", the Function returns a
value that will be stored in the variable "carname".
Or, you can do like this:
| msgbox "Your car is a " & findname() |
Here you also call a Function called "findname", the Function returns a
value that will be displayed in the message box.
When you call a Sub procedure you can use the Call statement, like this:
Or, you can omit the Call statement, like this:
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