Flash object function is undefined in my JavaScript

Question

I've an asp.net website, where i have a flash object embedded. Flash object have some functions registered via ExternalInterface, so it should be accessible from JavaScript. And they are, but only when i call it when site completely loaded and i trigger some events (click etc) But when i try to access any of this function from the script block, i have an error that i call an underfined function.

This script placed at the end of document, at this moment flashGame object not underfinded, but his functions is underfined.

<script type="text/javascript">
            var flashObj = document.getElementById("flashGame");
            // AdLoaded is underfined at this moment. 
            flashObj.AdLoaded();
            // Also tried this, no luck
            $(document).ready(function () {
                flashObj.AdLoaded();
            });  
</script>

AdLoadedis underfined in both cases. P.S. And if i place a breakpoint at begin of the script it seems then all works ok, function AdLoaded() not underfined. What i miss? Thank in advance.

Benjamin Gruenbaum · Accepted Answer · 2013-05-23 10:07:23Z

1

You have a ready block but the element is not in the body yet, so getElementById likely returns null,

Try:

$(document).ready(function () {
    var flashObj = document.getElementById("flashGame");  
    flashObj.AdLoaded();
});

Note, that document.ready is not an indication that the flash finished loading, just that the DOM is ready, so you might have to even do:

$(window).on("load",function () {
    var flashObj = document.getElementById("flashGame");
    flashObj.AdLoaded();
});

answered May 23, 2013 at 10:07

Benjamin Gruenbaum

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1 Comment

igorGIS Over a year ago

Indeed, i understood where is the problem, so when flash object in DOM is ready but it's external interface not initialized yet, so i get an undefinded value. Thanks Benjamin!

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