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JavaScript Guide contents JavaScript is a compact, object-based scripting language for developing client and server Internet applications. Netscape Navigator interprets JavaScript statements embedded in an HTML page, and LiveWire enables you to create se

Java & JEE books Page6

     

  1. JavaScript Guide contents
    JavaScript is a compact, object-based scripting language for developing client and server Internet applications. Netscape Navigator interprets JavaScript statements embedded in an HTML page, and LiveWire enables you to create server-based applications similar to Common Gateway Interface (CGI) programs. This book describes the JavaScript language and its use in Navigator. For information on developing server-based JavaScript applications, see the LiveWire Developer's Guide. This book assumes you have some basic background, including
    * A general understanding of the Internet and the World Wide Web (WWW). 
    * Good working knowledge of HyperText Markup Language (HTML).
     
  2. JavaScript  2.0
    JavaScript 2.0 is an experimental proposal maintained by waldemar for future changes in the JavaScript language. The eventual language may differ significantly from this proposal, but the goal is to move in the directions indicated here and do so via a coordinated plan rather than adding miscellaneous features ad hoc on a release-by-release basis. JavaScript is Netscape?s implementation of the ECMAScript standard. The development of JavaScript 2.0 is heavily coordinated with the ECMA TC39TG1 working group. JavaScript closely matches the ECMAScript Edition 4 standard under development. The intent is to make JavaScript 2.0 and ECMAScript Edition 4 be the same language, but JavaScript 2.0 will also include a few features for which more feedback and experience is appropriate before standardizing them. 
  3. What is JScript ?
    JScript is the Microsoft implementation of the ECMA 262 language specification (ECMAScript Edition 3). With only a few minor exceptions, JScript is a full implementation of the ECMA standard. This overview is intended to help you get started with JScript. JScript is an interpreted, object-based scripting language. Although it has fewer capabilities than full-fledged object-oriented languages like C++, JScript is more than sufficiently powerful for its intended purposes. JScript is not a cut-down version of another language (it is only distantly and indirectly related to Java, for example), nor is it a simplification of anything. It is, however, limited. You cannot write stand-alone applications in it, for example, and it has no built-in support for reading or writing files. Moreover, JScript scripts can run only in the presence of an interpreter or "host", such as Active Server Pages (ASP), Internet Explorer, or Windows Script Host.
       
  4. Introduction to Regular Expressions
    These sections introduce the concept of regular expressions and explain how to create and use them. While each topic stands on its own, it is recommended that you peruse these topics sequentially to develop the best understanding of the material. Many topics rely upon the understanding of a feature or concept that was introduced in a previous topic in the sequence. Regular expressions were expressions used to describe what he called "the algebra of regular sets," hence the term "regular expression."  Subsequently, his work found its way into some early efforts with computational search algorithms done by Ken Thompson, the principal inventor of Unix. The first practical application of regular expressions was in the Unix editor called qed. And the rest, as they say, is history. Regular expressions have been an important part of text-based editors and search tools ever since.
     
  5. What is VBScript
    Microsoft Visual Basic Scripting Edition brings active scripting to a wide variety of environments, including Web client scripting in Microsoft Internet Explorer and Web server scripting in Microsoft Internet Information Service. If you already know Visual Basic or Visual Basic for Applications (VBA), VBScript will be very familiar. Even if you do not know Visual Basic, once you learn VBScript, you are on your way to programming with the whole family of Visual Basic languages. Although you can learn about VBScript in just these few Web pages, they do not teach you how to program. To learn programming, take a look at Step by Step books available from Microsoft Press.
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Posted on: April 1, 2008

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