ActionScript Call Function from JavaScript

Question

I'm trying to call a very simple JavaScript function from ActionScript but I can't seem to make it work. Here is my code:

JavaScript

function alert() {
    alert("hi");
}

ActionScript

ExternalInterface.call("alert");

HTML

<object width="500" height="500"
        classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000"            
        codebase="http://fpdownload.macromedia.com/
        pub/shockwave/cabs/flash/swflash.cab#version=8,0,0,0">
        <param name="SRC" value="FlashApp.swf"/>
    <param name="allowScriptAccess" value="always" />
    <embed src="FlashApp.swf" width="500" height="500" allowScriptAccess="always">                
    </embed>
</object>

Barış Uşaklı · Accepted Answer · 2013-05-24 23:23:34Z

1

Maybe it's because there is already an alert function? This works for me.

//js
function myAlert() {
    alert("hi");
}

//as3
ExternalInterface.call("myAlert");

The AS3 code :

public class Main extends Sprite 
{
    public function Main():void 
    {
        if (stage) init();
        else addEventListener(Event.ADDED_TO_STAGE, init);
    }

    private function init(e:Event = null):void 
    {
        removeEventListener(Event.ADDED_TO_STAGE, init);
        // entry point
        ExternalInterface.call("myAlert");

    }

}

edited May 24, 2013 at 23:23

answered May 24, 2013 at 22:50

Barış Uşaklı

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5 Comments

Barış Uşaklı Over a year ago

Check it out here : shadowytree.com/test It works for me when I use myAlert but if I change it to alert it doesn't work.

Jenerik Industries Over a year ago

It worked for me too when I went to your link but it's not working on my page. Would you please post the source for the page you linked?

Barış Uşaklı Over a year ago

There you go : view-source:http://shadowytree.com/test/ put that in chrome to see it or you can just view source in your browser.

Jenerik Industries Over a year ago

It's still not working, would it be possible to get the source of your ActionScript? At least the function where the call is made?

Jenerik Industries Over a year ago

Ok that's weird, I finally got it to work by running it in IE

Discipol · Accepted Answer · 2013-05-24 23:32:17Z

0

Make sure that the javascript is initialized before you call that method. Depends on luck, really, unless you work at it. I suspect Baris Usakli has a fast pc and the js is initialized faster than the swf is.

Use swfobject to embed the swf when the javascript onload event occurs. This way you KNOW the js function exists and you can call it.

Bonus points, swf object embeds it for most if not all browsers, with no fuss and with negligible overhead.

answered May 24, 2013 at 23:32

Discipol

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