That should be alright. Just make sure that your SWF has been loaded
(and it needs a little bit of time to initialize it's AS code) before
you make the call from JavaScript, so with an onload call you should
generally be safe:
window.onload = function() {
var swf = swfobject.getObjectById("tab");
if (swf && typeof swf.asFunc != "undefined") { // test if your SWF
and External Interface method are available and to avoid errors
swf.asFunc("10");
}
}
On May 4, 8:10 pm, Zach <[email protected]> wrote:
> Ok, the buttons part makes sense to me.
>
> As for the non-existent function, that's not the case. asFunc is the
> name of the function as defined by the ExternalInterface code in
> Flash. Here's the actionscript code:
>
> import flash.external.ExternalInterface;
> ExternalInterface.addCallback("asFunc", this, asFunc);
> function asFunc(str:String):Void {
> widthBox.text = str;
>
> }
>
> Thanks for the help.
>
> On May 4, 1:42 pm, Bobby van der Sluis <[email protected]>
> wrote:
>
> > The error is correct, because you call a non-existing function on your
> > SWF.
>
> > The first example doesn't use onload, however has button handlers that
> > call the functionality. And you can only click the button after the
> > page has been loaded.
>
> > Please study both examples carefully.
>
> > On May 4, 7:01 pm, Zach <[email protected]> wrote:
>
> > > Thanks for the reply.
>
> > > That helped insofar as I don't get that error. Now, though, I get a
> > > new one from Firebug:
>
> > > "uncaught exception: Error calling method on NPObject! [plugin
> > > exception: Error in Actionscript. Use a try/catch block to find
> > > error.]."
>
> > > Occasionally instead of that I get an error saying that asFunc is not
> > > a function.
>
> > > Finally, one last question: how come the example I linked to in my
> > > first message works without setting an onload event but mine doesn't?
>
> > > On May 4, 11:47 am, Bobby van der Sluis <[email protected]>
> > > wrote:
>
> > > > You can only call this function when the DOM of a web page has become
> > > > available, so you can add your code e.g. to a button handler or onload
> > > > handler like in this
> > > > example:http://www.bobbyvandersluis.com/swfobject/testsuite_2_1/test_com.html
>
> > > > On May 4, 4:55 pm, Zach <[email protected]> wrote:
>
> > > > > I can't figure this one out, since I literally copied & pasted the
> > > > > code from a working example (http://pipwerks.com/lab/swfobject/
> > > > > ExternalInterface/2.0/static.html). I'm using SWFObject 2.1.
>
> > > > > Here's my javascript code (within the <head> tag):
>
> > > > > <script type="text/javascript" src="swfobject.js"></script>
> > > > > <script type="text/javascript">
> > > > > swfobject.registerObject("tab", "9.0.0");
>
> > > > > function callFlash(num) {
> > > > > var swf = swfobject.getObjectById("tab");
> > > > > swf.asFunc(num);
>
> > > > > }
>
> > > > > callFlash("10");
> > > > > </script>
>
> > > > > The page displays properly, but Firebug gives me an error, saying that
> > > > > "swf is null." Any ideas?
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