VBScript Tutorials - Herong's Tutorial Examples - v6.02, by Herong Yang
Inspecting Variables Received in Procedures
This chapter provides tutorial examples and notes on inspecting variables received in procedures. Topics include why variables received must be inspected before using them, guidelines on how to inspect variables, crash-free code example to convert anything into a Long integer.
Variable Inspection - Data Type Validation
Takeaways:
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
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