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Section A.10. Information Functions

A 10 Information Functions

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

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Vbscript in a Nutshell
VBScript in a Nutshell, 2nd Edition
ISBN: 0596004885
EAN: 2147483647
Year: 2003
Pages: 335
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