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Is there a way to call actionscript from Javascript ?

Forum|Forum|10 years ago
September 14, 2015
3 replies
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Is there a way to call actionscript from Javascript without using External Interface. The call is from Javascript to Flash actonscript.

Regards,

ActionScript

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Correct answer robdillon

Hi,

I have created the getContentId() function in an as file and wanted to call this function from javascript using the ASContentIdFunction. I wanted to access the return string i.e ContentId_id of this function from javascript. The swf is embedded in an html page. I am yet to write the javascript part of the code. Is the error coming because have not written the javascript to call this function ?

ExternalInterface.addCallback("ASContentIdFunction", getcontentid);

public function getcontentid():String{

var nextContent:Object = Object(CarouselItem(CarouselBar.wrapperChildren.getChildAt(Globals.currentRelatedIndex)). data);

var ContentId_id:String=nextContent.contentId;

return ContentId_id;

}

Is there a way to call actionscript from Javascript ?

Yes. If you call a Javascript function that doesn't exist, you will get an error.

Participating Frequently

Yes. That second line is used to call a Javascript function and pass a string to the function. I thought that you wanted to call an Actionscript function in your Flash movie from Javascript?

Have a look at the last answer in this link: http://stackoverflow.com/questions/18298049/externalinterface-call-works-but-javascript-cant-access-actionscript-callbac… It shows the process of creating the AS function, adding the callback to Javascript and then the Javascript call to the Flash function.

nandinidasAuthor

Known Participant

When I am trying to call the actioscript function from javascript by using the addCallback method given below I am getting an error message: Access to possibly undefined property getcontentid. Dont know why. I have imported the ExternalInterface package in my as file and have a getcontentid method defined in the file.

ExternalInterface.addCallback("ASContentIdFunction", getcontentid);

public function getcontentid():String{

var nextContent:Object = Object(CarouselItem(CarouselBar.wrapperChildren.getChildAt(Globals.currentRelatedIndex)).data);

var ContentId_id:String=nextContent.contentId;

return ContentId_id;

nandinidasAuthor

Known Participant

I want to pass a value from Flash movie to a javascript in Html page. Can I use the ExternalInterface,call() method like:

ExternalInterface.call("myJavascriptFunction", Object.contentid, Object.contentType);

or

ExternalInterface.call("myJavascriptFunction", Object);

where the javascript function is like:

function myJavascriptFunction(number1:Number, string1:String){

var contentId=number1;

var contentType=string1;

return contentId;

}

function myJavascriptFunction(Object:Object){

var javascriptObject:Object=Object;

}

Participating Frequently

What's your conditions that make External Interface inappropriate?

nandinidasAuthor

Known Participant

As far as I know External Interface is for 2 way communication i.e. from Actionscrip to Javascript and from Javascript to Actionscript. I want only one way communication i.e from Javascript to Actionscript.

Regards,

Participating Frequently

While two way communication is possible, it's not necessary. You can use ExternalInterface for your need.

Participating Frequently

Not that I know of.