LayoutTests/fast/dom/dom-instanceof.html - WebKit - Git at Google

 <html>
 <head>
 <title>DOM instanceof</title>
 <script>
 function print(message, color)
 {
     var paragraph = document.createElement("div");
     paragraph.appendChild(document.createTextNode(message));
     paragraph.style.fontFamily = "monospace";
     if (color)
         paragraph.style.color = color;
     document.getElementById("console").appendChild(paragraph);
 }

 function test()
 {
     if (window.testRunner)
         testRunner.dumpAsText();

     if(document.getElementById("console") instanceof Element)
         print("PASS", "green");
     else
         print("Failed", "red");
 }

 </script>
 </head>
 <body>
 <p>This page tests to make sure instanceof operator for DOM nodes works properly.</p>
 <p>If the test passes, you'll see a single 'PASS' message below.</p>
 <hr>

 <div id='console'></div>

 <script>
 test();
 </script>
 </body>
 </html>
	<html>
	<head>
	<title>DOM instanceof</title>
	<script>
	function print(message, color)
	{
	var paragraph = document.createElement("div");
	paragraph.appendChild(document.createTextNode(message));
	paragraph.style.fontFamily = "monospace";
	if (color)
	paragraph.style.color = color;
	document.getElementById("console").appendChild(paragraph);
	}

	function test()
	{
	if (window.testRunner)
	testRunner.dumpAsText();

	if(document.getElementById("console") instanceof Element)
	print("PASS", "green");
	else
	print("Failed", "red");
	}

	</script>
	</head>
	<body>
	<p>This page tests to make sure instanceof operator for DOM nodes works properly.</p>
	<p>If the test passes, you'll see a single 'PASS' message below.</p>
	<hr>

	<div id='console'></div>

	<script>
	test();
	</script>
	</body>
	</html>