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<html>
<head>
	<title>DOM Level 3 XPath Example</title>
	<script language="javascript" type="text/javascript" src="html-xpath.js"></script>
</head>
<body>
<div class="Test">
	Test Node <span class="Number">1</span>
</div>

<span id="TestingGround">
	<div class="SomeOtherClass">
		<div class="Test" id="ContextNodeTest">
			Test Node <span class="Number">2</span>
			<p>Test Node <span class="Number">3</span>: Unclosed Paragraph tag
			<div class="Test">
				Test Node <span class="Number">4</span>: Nesting
			</div>
			<img src="rainbow.jpg" alt="Something I found in my backyard" width="100" height="200" alt="Test image" someOtherAttribute="someOtherValue" />
			<img src="carnation.jpg" alt="Carnation" width="99" height="74">
		</div>
	</div>
</span>

<script language="javascript">

	function showIterator(title, result)
	{
		var s = title;
		var item;
		while(item = result.iterateNext())
		{
			s += "<div class=\"XPathResultItem\">" + (item.nodeType == 1 ? item.innerHTML.replace(/</g, "&lt;").replace(/>/g, "&gt;") : item.nodeValue) + "</div>";
		}
		document.write(s);
	}

	// Evaluate 1
	var result = document.evaluate("//div[@class='Test']", document, null, XPathResult.STRING_TYPE, null);
	document.write("<h1>\"//div[@class='Test']\" as String</h1>" + result.getStringValue());
	
	// Evaluate 2
	document.evaluate("//img[@width < 100]/@height", document, null, XPathResult.NUMBER_TYPE, result);
	document.write("<h1>\"//img[@width < 100]/@height\" as Number</h1>" + result.getNumberValue());

	// Evaluate 3
	showIterator
	(
		"<h1>\"//div[@class='Test']\" in context of document</h1>", 
		document.evaluate("//div[@class='Test']", document, null, XPathResult.ANY_TYPE, result)
	);
	
	// Evaluate 4
	showIterator
	(
		"<h1>\"div[@class='Test']\" in context of a specific node (id=\"ContextNodeTest\")</h1>", 
		document.evaluate("div[@class='Test']", document.getElementById("ContextNodeTest"), null, XPathResult.ANY_TYPE, result)
	);
	
	// Evaluate 5
	showIterator
	(
		"<h1>\"//div/@class\": Retrieve Attribute Values</h1>", 
		document.evaluate("//div/@class", document, null, 0, result)
	);

	// Evaluate 6
	var result = document.evaluate("count(//span[@class='Number'])", document, null, XPathResult.NUMBER_TYPE, null);
	document.write("<h1>\"count(//span[@class='Number'])\" as Number</h1>" + result.getNumberValue());
	
</script>


</body>
</html>