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Vbscript Procedures

📅 2026-06-13 | 📂 C#

VBScript Procedures | Rookie Tutorial

VBScript Procedures | Rookie Tutorial

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VBScript Procedures

VBScript can use two types of procedures:

Sub procedures
Function procedures

VBScript Sub Procedures

Sub procedures:

Are a series of statements enclosed in Sub and End Sub statements
Can perform certain actions but do not return a value
Can take parameters

 Sub mysub()

_some statements_

 End Sub

Or

 Sub mysub(argument1,argument2)

_some statements_

 End Sub

Example (IE only)

 Sub mysub()

 document.write("I was written by a sub procedure")

 End Sub

Try it Yourself »

VBScript Function Procedures

Function procedures:

Are a series of statements enclosed in Function and End Function statements
Can perform certain actions and return a value
Can take parameters passed to them through procedure calls
Must have empty parentheses () if there are no parameters
Return a value by assigning a value to the function procedure name

 Function myfunction()

_some statements_

 myfunction=_some value_

 End Function

Or

 Function myfunction(argument1,argument2)

_some statements_

 myfunction=_some value_

 End Function

Example (IE only)

 function myfunction()

 myfunction=Date()

 end function

Try it Yourself »

Calling Procedures

This simple function procedure is called to calculate the sum of two arguments:

Example (IE only)

 Function myfunction(a,b)

 myfunction=a+b

 End Function 

 document.write(myfunction(5,9))

Try it Yourself »

The function "myfunction" will return the sum of argument "a" and argument "b". Here it returns 14.

When you call a procedure, you can use the Call statement, as shown below:

 Call MyProc(argument)

Or, you can omit the Call statement, as shown below:

 MyProc argument