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JavaScript    
n.
Java描述语言[一种在HTML上使用的描述语言,能提高HTML的操作能力]

Java描述语言[一种在HTML上使用的描述语言,能提高HTML的操作能力]

(Formerly "LiveScript") {Netscape}'s simple,
cross-{platform}, {World-Wide Web} {scripting language}, only
very vaguely related to {Java} (which is a {Sun} trademark).
JavaScript is intimately tied to the {World-Wide Web}, and
currently runs in only three environments - as a {server}-side
{scripting} language, as an embedded language in
{server-parsed HTML}, and as an embedded language run in web
{browsers} where it is the most important part of {DHTML}.

JavaScript has a simplified {C}-like {syntax} and is tightly
integrated with the browser {Document Object Model}. It is
useful for implementing enhanced {forms}, simple web
{database} {front-ends}, and navigation enhancements. It is
unusual in that the {scope} of {variables} extends throughout
the function in which they are declared rather than the
smallest enclosing block as in C.

JavaScript originated from {Netscape} and, for a time, only
their products supported it. {Microsoft} now supports a
work-alike which they call JScript. The resulting
inconsistencies make it difficult to write JavaScript that
behaves the same in all browsers. This could be attributed to
the slow progress of JavaScript through the standards bodies.

JavaScript runs "100x" slower than {C}, as it is purely
interpreted ({Java} runs "10x" slower than C code).
{Netscape} and allies say JavaScript is an "open standard" in
an effort to keep {Microsoft} from monopolising web software
as they have desktop software. {Netscape} and {Sun} have
co-operated to enable {Java} and JavaScript to exchange
messages and data.

See also {VBScript}.

{Usenet} newsgroup: {news:comp.lang.javascript}.

Mailing List: ("subscribe javascript"
in body).

(2003-04-28)


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英文字典中文字典相关资料:


  • JavaScript Tutorial - W3Schools
    JavaScript is easy to learn This tutorial covers everything from basic JavaScript up to the latest 2025 version Start learning JavaScript now » With our Try it Yourself editor, you can edit the source code and view the result We recommend reading this tutorial, in the sequence listed in the menu
  • The Modern JavaScript Tutorial
    From the basics to advanced topics with simple, but detailed explanations Main course contains 2 parts which cover JavaScript as a programming language and working with a browser There are also additional series of thematic articles Here we learn JavaScript, starting from scratch and go on to advanced concepts like OOP
  • JavaScript Tutorial
    Welcome to the JavaScriptTutorial net website! This JavaScript Tutorial helps you learn the JavaScript programming language from scratch quickly and effectively If you find yourself in any of the following situations: Unsure about where to start learning JavaScript
  • What is JavaScript? A Beginners Guide for Web Creators - Elementor
    JavaScript is an open standard (officially called “ECMAScript”) Every modern web browser (Chrome, Firefox, Safari, Edge) includes a JavaScript engine to run the code for free
  • JavaScript Tutorial - GeeksforGeeks
    JavaScript is a programming language used to create dynamic content for websites It is a lightweight, cross-platform, and single-threaded programming language It's an interpreted language that executes code line by line, providing more flexibility Client Side: On the client side, JavaScript works along with HTML and CSS
  • Welcome to Learn JavaScript! | web. dev
    JavaScript lets developers modify the structure and presentation of a page by adding, removing, and altering markup and styles in response to any combination of user interaction and internal logic





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