gecko/layout/html/tests/DumpTree.js

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-*/
function traverse(node, indent)
{
indent += " ";
var type = node.nodeType;
// if it's an element dump the tag and recurse the children
if (type == Node.ELEMENT_NODE) {
dump(indent + "<" + node.tagName + ">\n");
// go through the children
if (node.hasChildNodes()) {
var children = node.childNodes;
var i, length = children.length;
for (i = 0; i < length; i++) {
var child = children[i];
traverse(child, indent);
}
dump(indent + "</" + node.tagName + ">\n");
}
}
// it's just text, no tag, dump "Text"
else if (type == Node.TEXT_NODE) {
dump(indent + node.data + "\n");
}
}
function dumpTree()
{
var node = document.documentElement;
dump("Document Tree:\n");
traverse(node, "");
dump("\n");
}