VBScript Tutorials - Herong's Tutorial Examples - Version 5.24, by Dr. Herong Yang
"Dim x(n)" - Fixed-Size Array Example
This section provides a tutorial example on how to declare a fixed-size array with 'Dim x(n)'. 'ReDim x(n)' statement can not be used on fixed-size arrays to change their sizes.
We learned from previous sections that a fixed-size array must be declared with a size. For example, "Dim x(99)" declares a fixed-size array, x, with 99 as the upper bound limit. The size of x is 100, because the lower bound is 0.
One important nature of a fixed-size array is that it can not be re-sized with a "ReDim x(n)" statement.
To show you how a fixed-size array works, I wrote the following example, array_fixed_size.html:
<html> <body> <!-- array_fixed_size.html - Copyright (c) 2015, HerongYang.com, All Rights Reserved. --> <pre> <script language="vbscript"> document.writeln("") Dim aWeek(6) document.writeln("Is aWeek an array? " & IsArray(aWeek)) aWeek(0) = "Sun" aWeek(4) = "Thu" aWeek(6) = "Sat" aWeek(1) = "Mon" document.writeln("Days in a week:") For i=LBound(aWeek) To UBound(aWeek) document.writeln(" " & i & " = " & aWeek(i)) Next ' aWeek(10) = "Abc" 'Error 1: Subscription out of range ' ReDim Preserve aWeek(10) 'Error 2: This array is fixed </script> </pre> </body> </html>
Here is the output:
Is aWeek an array? True Days in a week: 0 = Sun 1 = Mon 2 = 3 = 4 = Thu 5 = 6 = Sat
Note that there are two errors commented out in the VBScript example:
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