Chapter: Internet & World Wide Web HOW TO PROGRAM - Wireless Internet and m-Business

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VBScript

Visual Basic Script (VBScript) is a subset of Microsoft Visual Basic® used in World Wide Web XHTML documents to enhance the functionality of a Web page displayed in a Web browser.

Chapter 24 

VBScript

Introduction

 

Visual Basic Script (VBScript) is a subset of Microsoft Visual Basic® used in World Wide Web XHTML documents to enhance the functionality of a Web page displayed in a Web browser. Microsoft’s Internet Explorer Web browser contains a VBScript scripting engine (i.e., an interpreter) that executes VBScript code. In this chapter, we introduce client-side VBScript for use in XHTML documents. Because JavaScript has become the de facto cli-ent-side scripting language in industry, you are not likely to use client-side VBScript.

Earlier in the text we used JavaScript to introduce fundamental computer program-ming concepts in the context of XHTML documents and the World Wide Web. In this chapter, we overview VBScript, which provides capabilities similar to those of JavaScript. The material presented in this chapter is valuable for two reasons. First, company Intranets tend to standardize on a particular Web browser, and, if that browser is Internet Explorer, the VBScript techniques introduced in this chapter can readily be used on the client side to enhance XHTML documents. Second, VBScript is particularly valuable when used with Microsoft Web servers to create Active Server Pages (ASP)—a technology that allows a server-side script to create dynamic content that is sent to the client’s browser. Although other scripting languages can be used, VBScript is the de facto language for ASP. You will learn about ASP in Chapters 25 and 26.


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