1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/dom/tests/js/DumpTree.js Wed Dec 31 06:09:35 2014 +0100 1.3 @@ -0,0 +1,44 @@ 1.4 +/* -*- Mode: js; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ 1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public 1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this 1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ 1.8 + 1.9 + 1.10 +// 1.11 +// travers the html tree and dump out the type of element 1.12 +// 1.13 +function traverse(node, indent) 1.14 +{ 1.15 + dump("\n") 1.16 + indent += " " 1.17 + var type = node.nodeType; 1.18 + 1.19 + // if it's an element dump the tag and recurse the children 1.20 + if (type == Node.ELEMENT_NODE) { 1.21 + 1.22 + dump(indent + node.tagName) 1.23 + 1.24 + // go through the children 1.25 + if (node.hasChildNodes()) { 1.26 + var children = node.childNodes; 1.27 + var length = children.length; 1.28 + var count = 0; 1.29 + while(count < length) { 1.30 + child = children[count] 1.31 + traverse(child, indent) 1.32 + count++ 1.33 + } 1.34 + } 1.35 + } 1.36 + // it's just text, no tag, dump "Text" 1.37 + else if (type == Node.TEXT_NODE) { 1.38 + dump(indent + "Text") 1.39 + } 1.40 +} 1.41 + 1.42 +var node = document.documentElement 1.43 + 1.44 +traverse(node, "") 1.45 +dump("\n") 1.46 + 1.47 + 1.48 \ No newline at end of file