<form id="demo">

<fieldset>

<label for="demo_input">String to parse:</label>

<textarea type="text" id="demo_input"><myroot><item type='foo'><name>Abc</name><rank>1</rank></item><item type='bar'><name>Def</name><rank>2</rank></item><item type='bat'><name>Ghi</name><rank>3</rank></item></myroot></textarea>

<input type="button" id="demo_btn" value="Alert node type of parsed output">

</fieldset>

</form>

<script>

YUI().use("node", "datatype-xml", function (Y) {

Y.on("click", function(e){

var input = Y.one("#demo_input").get("value"),

output = Y.DataType.XML.parse(input);

if(output === "") {

output += "(Invalid value)"

}

alert("node type: " + output.nodeType);

}, "#demo_btn");

});

</script>