What is the difference between javascript and actionscript

Difference: 1. Actionscript is the scripting language of flash, and JavaScript is the front-end script for web development; 2. ActionScript does not support the browser object Window, but JS does; 3. ActionScript does not support certain JS syntax constructs. Example statement tags, etc.

The operating environment of this tutorial: windows7 system, javascript version 1.8.5, Dell G3 computer.

What is JavaScript?

JavaScript ("JS" for short) is a lightweight, interpreted or just-in-time compiled programming language with function priority. Although it is famous as a scripting language for developing Web pages, it is also used in many non-browser environments. JavaScript is based on prototype programming, a multi-paradigm dynamic scripting language, and supports object-oriented, imperative, declarative, and functional programming paradigm.

JavaScript is a high-level scripting language that belongs to the Internet. It has been widely used in Web application development. It is often used to add various dynamic functions to web pages and provide users with smoother and more beautiful browsing effects. Usually JavaScript scripts realize their functions by embedding them in HTML.

What is ActionScript?

ActionScript (AS for short) was developed by Macromedia (now acquired by Adobe) for its Flash product. It was originally a simple scripting language and has been updated to version ActionScript3.0. A complete object-oriented programming language with powerful functions, rich class libraries, and syntax similar to JavaScript. It is mostly used for Flash interactive, entertainment, and practical development, web page production, and RIA (Rich Internet Program) development.

The difference between javascript and actionscript

• Actionscript is the scripting language of flash. It has been upgraded to version 3.0 by Adobe and has become the real meaning. oop language;

  JavaScript is a scripting language designed by netscape engineers and used for front-end scripts in web development.

• ActionScript does not support browser-specific objects such as Document, Window, and Anchor.

• ActionScript does not provide support for all JavaScript built-in objects.

• ActionScript does not support certain JavaScript syntax constructs, such as statement tags.

• In ActionScript, the eval() function can only perform variable references.

• ActionScript 2.0 supports some features not found in the ECMA-262 specification, such as classes and strong typing. Many of these features are taken from the ECMAScript (ECMA-262) version 3 language specification (see www.ecma-international.org/publications/standards/Ecma-262.htm).

• ActionScript does not support regular expressions using RegExp objects.

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