How to creat a asp function?

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How to creat a asp function?

The following is the code for creating asp function:

1. asp function with "function"


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< %
    function Square(num)
        Square = num * num     
    end function

    'Returns 25
    Response.Write(Square(5))
% > 
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2. asp function with "sub"

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< %
    sub ShowProfit(Revenue, Overhead, Commission, Admin)
        'Create a variable to store our profit
        Dim Profit

        Profit = CDbl(Revenue - (Overhead + Commission + Admin)) 

        Response.Write("$" & Profit)
    end sub

    'Call the sub with four parameters
    'Will output $100.0
    ShowProfit 150, 25, 10, 15
% >
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3. asp function without parameter

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< %
    function show_message()
        Response.Write("Display message with parameter")  
    end function

    show_message
% >