What is the difference between Actionscript and JavaScript [duplicate]

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What are the key differences between JavaScript and ActionScript 3?

Can you please give me some clarity on difference between ActionScript and JavaScript..

And what is flex? is it an ActionScript library like like jQuery and Mootools to the JavaScript. I have visisted Flex official website, there I have seen my favourite word "Opensource" tagged and also tag with "60 days trial version". I want to know what is ActionScript and what is Flex. Can i use DOM manipulation as want using ActionScript like developers play with DOM using jQuery and Mootools, Prototype etc开发者_开发百科...

I Don't have knowledge on Actionscript. Please someone explain it clearly.

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ActionScript is the primary programming language of Adobe's Flash Platform.

Flex is an Open Source SDK (Software Development Kit) for building Flash Platform Applications. The Flash Platform runtimes are primarily Adobe AIR and and the Adobe Flash Player browser plugin.

The Flex SDK includes a command line compiler and an ActionScript UI Framework. The UI Framework would be similar, at a high level, to something like JQuery. Most people use Flex as a generic term to refer to all things Flex without specifying "Flex Framework" of "Flex Compiler".

Adobe also provides a commercial IDE named Flash Builder which is used by many to build Flex applications. The 60 day trial you saw was probably for Flash Builder. However, you are more than welcome to use the command line compiler as part of the open source SDK without a purchase of Flash Builder.

JavaScript on the other hand is a language implemented inside web browsers; primarily for modifying a web page without having to reload the whole page.

Both languages are ECMA compliant; so share very similar syntax. The object model would be radically different, though.

Since you asked if it was possible to DOM manipulation with ActionScript; I'll say that it depends what you mean. You wouldn't be able to use ActionScript to modify an HTML page's DOM. But, you can use ActionScript to modify and extend the display hierarchy of a Flash movie (SWF).