Re: Can javascript call a MS Windows COM object?

Roman wrote:

> Angus Comber wrote:
>> Can javascript call/reference COM object. VBScript can do this (as it is
>> from Microsoft). Can javascript? If so how?
>> [...]
>
> No different that VBScript, JScript can automate any COM object with
> IDispatch interface. Search for Windows Scripting Host (or WSH).

The Windows Script Host (formerly: Windows Scripting Host) does not have
much to do with this. Use of ActiveX/COM is not restricted to that; one
could say, unfortunately, considering the number of security leaks and
therefore, security patches for Windows systems and Internet Explorer
required because of this during the years.
 
> However, this is subject to security rules when JavaScript is hosted in
> Internet Explorer.

True.

> JavaScript (as defined in ECMA specification) cannot automate COM object.

That is not quite correct. What is important in answering this question
properly is: Does the UA's AOM/DOM expose means to access ActiveX/DOM
objects, and if yes, which?

Therefore, it is incorrect to say that JavaScript cannot automate COM
objects. Netscape (all versions) on Windows can automate the ActiveX/COM
object of the Windows Media Player, and with the ActiveX Plugin installed,
all Mozilla browsers (NN4+, Gecko-based browsers) can automate probably all
ActiveX/COM objects. Of course, the scripting language they support do to
so is (Netscape) JavaScript.

BTW: Please learn to quote.

PointedEars
Received on Tue Feb 7 21:29:15 2006