[Mnilionic]

var str = "<block><item>1</item><item>2</item><item>3</item></block>";
var xml = new XML();
xml.ignoreWhite = true;
xml.parseXML(str);

var node = xml.firstChild.firstChild;
while(node){
	trace("значение: " + node.firstChild.nodeValue);
	node = node.nextSibling;
}