This brief guide is an overview of VBScript constants.
A constant is a meaningful name that takes the place of a number or string and never changes. VBScript defines a number of intrinsic constants. You can get information about these intrinsic constants from the VBScript language reference.
You create user-defined constants in VBScript using the
Const statement. Using the
Const statement, you can create string or numeric constants with meaningful names and assign them literal values. For example:
Const MyString = "This is my string." Const MyAge = 49
Note that the string literal is enclosed in quotation marks (
" "). Quotation marks are the most obvious way to differentiate string values from numeric values. You represent Date literals and time literals by enclosing them in number signs (
#). For example:
Const CutoffDate = #11-17-2008#
You may want to adopt a naming scheme to differentiate constants from variables. This will prevent you from trying to reassign constant values while your script is running. For example, you might want to use a “vb” or “con” prefix on your constant names, or you might name your constants in all capital letters. Differentiating constants from variables eliminates confusion as you develop more complex scripts.