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298 CHAPTER 10 USING FLASH TO DISPLAY XML Like the XML DOM methods, using createElement() in ActionScript generates an element without a position in the document tree. You then need to position it using either the appendChild() or insertBefore() methods of the XMLNode class. createTextNode(value:String) The createTextNode()method returns a text node from the value argument: var oTextNode:XMLNode = oXML.createTextNode(”Some text”); Again, this node has no position in the document tree and will need to be positioned using appendChild() or insertBefore(). parseXML(value:String) The parseXML()method parses text within the value parameter and populates an XML object: var XMLString:String = “
“; var oXML:XML = new XML(); oXML.parseXML(XMLString); The XML class also inherits methods and properties from the XMLNode class. Understanding the XMLNode Class The XMLNode class represents elements within the document tree. An XMLobject is made up of XMLNode objects. The XMLNodeclass includes the following members: attributes parentNode childNodes firstChild and lastChild previousSibling and nextSibling nodeType nodeName nodeValue hasChildNodes() appendChild() cloneNode() insertBefore() removeNode()
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