"ActionScript 3.0 Search" is a dynamic Chrome extension that enhances the omnibox with the ability to directly search online AS3 documentation. Simply type 'AS3 ' followed by a class or function name, and be directed instantly to the relevant documentation page. The extension also offers functionality to change the documentation language, providing optimal convenience for developers of all backgrounds.
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Use this omnibox plugin to directly search the online AS3 help.
Simply type 'AS3 ' to start your search, then the name of whatever class you are looking for help with, to take you straight to the relevant page in Adobe's online documentation.
Typing just 'AS3 (space)' + enter will take you to the index page.
Now supports setting which language to view the docs in. (Either through the options page, or after having searched click on the flag icon in the omnibox).
This does work on mac OSX at least on my box, running 10.9. In the search bar after typing AS3 hit TAB and then the AS3 element/object on which you are looking for documentation on. Maybe some work has been done to fix it up!