Hangun’s World – Blog

To retrieve the HTML document’s URL in which the SWF file is inserted, you have to modify the HTML document. Pass the URL to the SWF movie via an FlashVars parameter or a JavaScript function. But, the ExternalInterface API in Flash and eval() function in JavaScript provide you with a more simple solution.

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var btn:Button;
for(var i:uint=1; i<=3; i++){
	btn = this["b" + i];
	btn.addEventListener(MouseEvent.CLICK, clickListener);
}
 
function clickListener(e:MouseEvent):void{
	btn = e.currentTarget as Button;
	var str:String = ExternalInterface.call("eval", btn.label);
	tf.text = str;
}

There is a useful feature in Web Developer Toolbar extension for FireFox. If Display Object Information menu is activated, Flash objects’ tags are displayed on the screen. It is useful when you debug your Flash applications.