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VBScript Tutorials

- Herong's Tutorial Examples

6.01, 2020

Dr. Herong Yang

Copyright 2020 Dr. Herong Yang. All rights reserved.

This VBScript tutorial book is a collection of notes and code samples written by the author while he was learning VBScript (Visual Basic Scripting Edition) himself. Topics include: The Variant Data Type with Subtypes; Fixed-Size and Dynamic-Size Arrays; Function Arguments Passed by References and by Values; Raising and Catching Runtime Errors; Regular Expression and Pattern Match; Runtime DLL Library: Dictionary, File System, and File I/O; Defining Classes with Properties and Default Method; Object Initializing and Terminating Processes; Client-Side Scripting: VBScript Code for IE Browser; Server-Side Scripting: VBScript code for IIS Server; System Admin Scripting: Windows Script Host (WSH). Updated in 2020 (Version 6.01) with minor changes. For latest updates and free sample chapters, visit http://www.herongyang.com/VBScript.

Table of Contents

Keywords: VBScript, VB, Script, Tutorial, Example, Sample, Book

About This Book

This section provides some detailed information about this book - VBScript Tutorials - Herong's Tutorial Examples.

Title: VBScript Tutorials - Herong's Tutorial Examples

Author: Dr. Herong Yang - Contact by email via herong_yang@yahoo.com.

Category: COMPUTERS / Languages / Visual BASIC

Version/Edition: 6.01, 2020

Number of pages: 195

Description: This VBScript tutorial book is a collection of notes and code examples written by the author while he was learning VBScript (Visual Basic Scripting Edition) himself. Topics include: The Variant Data Type with Subtypes; Fixed-Size and Dynamic-Size Arrays; Function Arguments Passed by References and by Values; Raising and Catching Runtime Errors; Regular Expression and Pattern Match; Runtime DLL Library: Dictionary, File System, and File I/O; Defining Classes with Properties and Default Method; Object Initializing and Terminating Processes; Client-Side Scripting: VBScript Code for IE Browser; Server-Side Scripting: VBScript code for IIS Server; System Admin Scripting: Windows Script Host (WSH). Updated in 2020 (Version 6.01) with minor changes.

Keywords: VBScript, Visual Basic, Script, Variant, Array, Function, Error Handling, Regular Expression, Dictionary, File System, Class, Object, IE Browser, IIS Server, WSH, Windows Script Host.

Copyright:

• This book is under Copyright 2020 Dr. Herong Yang. All rights reserved.
• Material in this book may not be published, broadcasted, rewritten or redistributed in any form.
• Code examples are provided as-is, with no warranty of any kind.

Revision history:

• Version 6.01, 2020. Minor updates.
• Version 6.00, 2019. Revised and reformatted in ePub format.
• Version 5.00, 2008. Revised and reformatted in hyPub format.
• Version 4.00, 2003. Revised and reformatted in XHTML and PDF formats.
• Version 3.00, 2002. Updated with VBScript 5.0.
• Version 2.00, 1999. Updated with VBScript 2.0.
• Version 1.00, 1998. First edition.

Web version: http://www.herongyang.com/VBScript - Provides free sample chapters, latest updates and readers' comments. The Web version of this book has been viewed a total of:

• 1,834,155 times as of December 2018.
• 1,751,492 times as of December 2017.
• 1,662,552 times as of December 2016.
• 1,529,109 times as of December 2015.
• 1,381,268 times as of December 2014.
• 1,212,683 times as of December 2013.
• 1,053,359 times as of December 2012.
• 852,801 times as of December 2011.
• 607,275 times as of December 2010.
• 575,191 times as of December 2009.
• 338,550 times as of December 2008.

PDF/EPUB version: http://www.herongyang.com/VBScript/PDF-Full-Version.html - Provides information on how to obtain the full version of this book in PDF, EPUB, or other format.

Introduction of VBScript - Visual Basic Scripting Edition

This chapter provides a quick introduction on VBScript language. Topics include what is VBScript; what are VBScript host environments; running VBScript code within Internet Explorer (IE), Internet Information Services (IIS), and Windows Script Host (WSH).

Takeaways:

• VBScript (Visual Basic Scripting Edition) is a scripting language derived from Visual Basic language.
• VBScript code must be executed in VBScript host environments.
• IE (Internet Explorer) 10 or older provides a VBScript host environment that allows you to do client side scripting in Web pages.
• IE 11 requires setting changes to run VBScript code in Web pages.
• Edge and other Web browsers do not support VBScript code in Web pages.
• IIS (Internet Information Services) provides a VBScript host environment that allows you to do server side scripting on Web pages.
• WSH (Windows Script Host) provides a VBScript host environment that allows you to run standalone script code files.

What Is VBScript?

This section provides a quick introduction of VBScript as scripting language for Windows systems. VBScript allows you to write script code to be executed in many host environments such as Internet Explorer and Internet Information Services for Web page scripting.

VBScript - VBScript (Visual Basic Scripting Edition) is a scripting language developed by Microsoft for Windows operating systems.

A VBScript code must be executed within a host environment. It allows you to interact with the host environment to perform some programming tasks.

A host environment will usually:

• Provide you a specific way to enter your VBScript source code.
• Provide you some basic objects defined in the VBScript core specification.
• Provide you some specific objects to let your code to interact with the host application.
• Provide you additional objects to let your code to access certain operating system resources.

Examples of VBScript host environments

• Internet Explorer (IE) - Allows you to include VBScript code in HTML documents to be executed while IE is rendering HTML documents on the screen. This is also called client side scripting.
• Internet Information Services (IIS) - Allows you to include VBScript code in HTML documents to be executed while IIS is fetching HTML documents on the Web server to deliver to client machines. This is also called server side scripting.
• Windows Script Host (WSH) - Allows you to include VBScript code in script files to be executed directly on the Windows operating system.

VBScript is actually is a limited variation of Microsoft's Visual Basic programming language. Therefore VBScript shares the same language syntax as Visual Basic.

Visual Basic can be used to develop standalone Windows applications. Visual Basic can also be used to write macro code for other Windows applications like Microsoft Access.

VBScript version history:

2009, VBScript 5.8
2007, VBScript 5.7
2002, VBScript 5.6
1999, VBScript 5.0
1998, VBScript 4.0
1998, VBScript 3.0
1997, VBScript 2.0
1996, VBScript 1.0

As you can see from the version history, VBScript is reaching its end of life now. Microsoft has announced that VBScript is no longer supported in the IE replacement browser, Edge.

But you can still use VBScript in older browsers and older Windows systems.

Using VBScript with Internet Explorer 10 or Older

This section provides tutorial example on how to embed a VBScript code in a HTML document to be executed by Internet Explorer 10 or older on the local machine.

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