Initializing XML variables

Flash Player 9 and later, Adobe AIR 1.0 and later

You can assign an XML literal to an XML object, as follows:

var myXML:XML =  
        <item id='1'> 
        <item id='2'> 

As the following snippet shows, you can also use the new constructor to create an instance of an XML object from a string that contains XML data:

var str:String = "<order><item id='1'><menuName>burger</menuName>" 
                            + "<price>3.95</price></item></order>"; 
var myXML:XML = new XML(str);

If the XML data in the string is not well formed (for example, if a closing tag is missing), you will see a run-time error.

You can also pass data by reference (from other variables) into an XML object, as the following example shows:

var tagname:String = "item";  
var attributename:String = "id";  
var attributevalue:String = "5";  
var content:String = "Chicken";  
var x:XML = <{tagname} {attributename}={attributevalue}>{content}</{tagname}>;  
    // Output: <item id="5">Chicken</item>

To load XML data from a URL, use the URLLoader class, as the following example shows:

var externalXML:XML; 
var loader:URLLoader = new URLLoader(); 
var request:URLRequest = new URLRequest("xmlFile.xml"); 
loader.addEventListener(Event.COMPLETE, onComplete); 
function onComplete(event:Event):void 
    var loader:URLLoader = as URLLoader; 
    if (loader != null) 
        externalXML = new XML(; 
        trace("loader is not a URLLoader!"); 

To read XML data from a socket connection, use the XMLSocket class. For more information, see the XMLSocket class in the ActionScript 3.0 Reference for the Adobe Flash Platform .

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