diff -r 000000000000 -r 6474c204b198 dom/tests/js/DumpHTML.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/tests/js/DumpHTML.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,58 @@
+/* -*- Mode: js; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+
+//
+// Dump the html content in html format
+//
+function html(node)
+{
+    var type = node.nodeType;
+    if (type == Node.ELEMENT_NODE) {
+
+        // open tag
+        dump("<" + node.tagName)
+
+        // dump the attributes if any
+        attributes = node.attributes;
+        if (null != attributes) {
+            var countAttrs = attributes.length;
+            var index = 0
+            while(index < countAttrs) {
+                att = attributes[index];
+                if (null != att) {
+                    dump(" " + att.value)
+                }
+                index++
+            }
+        }
+
+        // close tag
+        dump(">")
+
+        // recursively dump the children
+        if (node.hasChildNodes()) {
+            // get the children
+            var children = node.childNodes;
+            var length = children.length;
+            var count = 0;
+            while(count < length) {
+                child = children[count]
+                html(child)
+                count++
+            }
+            dump("</" + node.tagName + ">");
+        }
+
+        
+    }
+    // if it's a piece of text just dump the text
+    else if (type == Node.TEXT_NODE) {
+        dump(node.data)
+    }
+}
+
+html(document.documentElement)
+dump("\n")