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/*
Mastering JavaScript, Premium Edition
by James Jaworski
ISBN:078212819X
Publisher Sybex CopyRight 2001
*/
<html>
<head><title>DOM Core Analyzer</title>
<script language="JavaScript">
function analyzeDocument() {
var win = open("","results")
var doc = win.document
doc.open()
doc.writeln("<html><head><title>Results</title></head><body>")
getDocumentStructure(document.documentElement, doc)
doc.writeln("</body></html>")
doc.close()
}
function getDocumentStructure(node, doc) {
doc.write(node.nodeName)
var children = node.childNodes
if(children != null && children.length > 0) {
doc.writeln("<ul>")
for(var i=0; i<children.length; ++i) {
var child = children.item(i)
doc.write("<li>")
getDocumentStructure(child, doc)
}
doc.writeln("</ul>")
}
}
</script>
</head>
<body onload="analyzeDocument()">
<h1 align="center">DOM Core Analyzer</h1>
<p>The <code>analyzeDocument()</code> function is used to display a map of the document tree.</p>
<p>It displays the document tree in a separate window.</p>
</body>
</html>
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