Section A.10. Information Functions | Appendix A. Language Elements by Category

Table of contents:

GetLocale Function	Returns the ID of the current locale
IsArray Function	Returns `True` if a variable is an array
IsDate Function	Returns `True` if an expression can be converted to a date
IsEmpty Function	Returns `True` if a variant variable has not been initialized
IsNull Function	Returns `True` if an expression evaluates to `Null`
IsNumeric Function	Returns `True` if an expression can be evaluated as a number
IsObject Function	Returns `True` if a variable contains an object reference
Len Function	Returns the length of a variable
LenB Function	Returns the number of bytes needed to hold a given variable
RGB Function	Returns a number representing an RGB color value
ScriptEngine Function	Returns a string representing the scripting language in use
ScriptEngineBuildVersion Function	Returns VBScript's build number
ScriptEngineMajorVersion Function	Returns VBScript's major version number
ScriptEngineMinorVersion Function	Returns VBScript's minor version number
TypeName Function	Returns the data type name of a variable
VarType Function	Returns a number representing the data type of a variable

Part I: The Basics

Introduction

Program Structure

Data Types and Variables

Error Handling and Debugging

VBScript with Active Server Pages

Programming Outlook Forms

Windows Script Host 5.6

VBScript with Internet Explorer

Windows Script Components

Part II: Reference

Part III: Appendixes

Appendix A. Language Elements by Category

Appendix B. VBScript Constants

Appendix C. Operators

Appendix E. The Script Encoder