VBScript Tutorials - Herong's Tutorial Examples - v6.02, by Herong Yang
Assigning Values to Variables - "=" Statement
This section provides a quick introduction of the assignment statement, which allows you to assign a new value to a variable.
Variables can be assigned with new values with the assignment statement in the following syntax:
variable_name = data_value
where "data_value" a data literal or an expression. We will look at expressions in details in other parts of this book.
When assigning a new value to a variable:
Here is a tutorial example on how to declare variables and assign values to them:
<html> <body> <!-- assignment.html - Copyright (c) 1998 HerongYang.com. All Rights Reserved. --> <pre> <script language="vbscript"> Dim author Dim price ' Dim empty author = "Herong" price = 9.99 ' empty = 0 buffer = price ' Implicit declaration of "buffer" price = author author = buffer document.writeln("author = " & author) document.writeln("price = " & price) document.writeln("empty = " & empty) </script> </pre> </body> </html>
Here is the output of this VBScript example:
author = 9.99 price = Herong empty =
Notes about this VBScript example:
Table of Contents
Introduction of VBScript - Visual Basic Scripting Edition
Variant Data Type, Subtypes, and Literals
Numeric Comparison Operations and Logical Operations
String Operations - Concatenation and Comparison
►Variable Declaration and Assignment Statement
Variable Declaration and "Dim" Statement
►Assigning Values to Variables - "=" Statement
Empty - The Default Value of a Variable
Expression and Order of Operation Precedence
Statement Syntax and Statement Types
Array Data Type and Related Statements
Array References and Array Assignment Statements
Conditional Statements - "If ... Then" and "Select Case"
Loop Statements - "For", "While", and "Do"
"Function" and "Sub" Procedures
Inspecting Variables Received in Procedures
Error Handling Flag and the "Err" Object
Regular Expression Pattern Match and Replacement
scrrun.dll - Scripting Runtime DLL Library
IE Web Browser Supporting VBScript