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БОӨЖ №3. VBscript is a scripting programming language


What is VBScript?


VBScript is an interpreted script language from Microsoft that is a subset of its Visual Basic programming language designed for interpretation by Microsoft's Internet Explorer (IE) web browser. VBScript compares to other early scripting languages that were used for the web development, including the following:

  • Netscape's JavaScript

  • Sun Microsystem's Tcl

  • Unix-derived Perl

  • IBM's REXX

The only browser that supported VBScript was Microsoft's IE, which retired as of June 2022. Microsoft had disabled VBScript in IE in August 2019. JavaScript is now the dominant scripting language, in part because multiple browsers support it. With the end of IE, VBScript is no longer used for modern web development.
VBScript functionality is available in Microsoft's Edge browser for users who need to run a legacy web application that contains VBScript code. This is done using IE mode and changing the version of IE to IE10 in the operating system's group policy function.
Scripting languages are easier and faster to code compared to more structured compiled languages such as C and C++. They are ideal for smaller programs of limited capability or that can reuse and tie together existing compiled programs.
VBScript was Microsoft's answer to JavaScript. Both were designed to work with the interpreter that comes with a web browser. VBScript was designed for use with Microsoft's IE browser together with other programming that runs at the client including ActiveX controls, automation servers and Java applets.

How is VBScript used?


VBScript was mainly used to give functionality to webpages. It was originally used for client-side scripting in IE. Web developers could write and embed executable VBScript functions in the Hypertext Markup Language (HTML) of a webpage, which controls the presentation of data. VBScript was able to do things that HTML alone couldn't, such as generate data.
VBScript uses a component object model to access system objects and variables. It has been generally used in a Microsoft environment. Since Microsoft disabled it, VBScript has limited use. It is still used in some situations, such as the following:

  • It may be embedded in a legacy web application or site and there is no way to remove it.

  • It can be used for data prep and certain process automation functions in software tools like Microsoft Excel and Microsoft Power Automate tool.


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