JavaScript is an open scripting language. Scripting refers to the creation of a list of commands that can be implemented without interaction from a user. Scripting language is the term used to refer to a simple programming language that is used to write the scripts or commands. It was developed by Netscape for the purpose of enabling Web users to implement and design interactive websites that would be more appealing to individual users. JavaScript is coded into a webpage and is used for the purpose of creating special effects that are not possible with other scripting language. JavaScript can be used with HTML source code used to produce increased interactivity.

JavaScript is available to individuals without the purchase of a license. Although it is similar to Java language, having many of the same features, JavaScript was developed separately. Several browsers support this language including Netscape and Microsoft Internet Explorer.

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In web usage, ColdFusion is an application server as well as a software development framework. It is utilized for the development of computer software as well as to create dynamic websites. ColdFusion uses a scripting language known as ColdFusion Markup Language or CFML. This language is similar to HTML in syntax. ColdFusion can also utilize other programming languages such as Actionscript. Plus, it can utilize an embedded script such as CFScript, which includes JavaScript-like language.

ColdFusion is similar in concept and design to Microsoft ASP.NET, PHP, and JavaServer Pages. Quite commonly, ColdFusion is used in connection with intranets or websites that are data driven by nature. Additionally, it can be utilized to handle asynchronous events or generate remote services. This application server also provides some additional features including server clustering, task scheduling, GUI administration, XML parsing, XML querying, XML validation, file indexing, client and server cache management, client-side code generation, and session, client, and application management.

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VBScript is an abbreviated way of stating Visual Basic Scripting Edition. Developed by Microsoft, VBScript is an active Microsoft scripting language or lightweight programming language. Specifically, it is a limited or light variety of Microsoft’s Visual Basic programming language. VBScript is inserted into a specific HTML document or file in order to create more dynamic and interactive webpages. The web browser interprets the VBScript as it reads the HTML. Then, the VBScript is either executed right away or it can be executed at a later date.

VBScript was originally designed for its ease of use. It is used to arrange components or controls and to specify actions and attributes for these controls. Additionally, VBScript is used to create supplementary lines of code in order to develop better functionality. Simple programs can be composed without much effort through simple source code edits. Older browsers might not support the script.

• Wikipedia explanation of VBScript
• X3cschool Tutorial
• W3 Schools VPS Script Functions
• VBS Script user's guide
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• About.com Article