dom/tests/js/DumpTree.js@6474c204b198 (annotated)
dom/tests/js/DumpTree.js
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | /* -*- Mode: js; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| michael@0 | 2 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 3 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 4 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 5 | |
| michael@0 | 6 | |
| michael@0 | 7 | // |
| michael@0 | 8 | // travers the html tree and dump out the type of element |
| michael@0 | 9 | // |
| michael@0 | 10 | function traverse(node, indent) |
| michael@0 | 11 | { |
| michael@0 | 12 | dump("\n") |
| michael@0 | 13 | indent += " " |
| michael@0 | 14 | var type = node.nodeType; |
| michael@0 | 15 | |
| michael@0 | 16 | // if it's an element dump the tag and recurse the children |
| michael@0 | 17 | if (type == Node.ELEMENT_NODE) { |
| michael@0 | 18 | |
| michael@0 | 19 | dump(indent + node.tagName) |
| michael@0 | 20 | |
| michael@0 | 21 | // go through the children |
| michael@0 | 22 | if (node.hasChildNodes()) { |
| michael@0 | 23 | var children = node.childNodes; |
| michael@0 | 24 | var length = children.length; |
| michael@0 | 25 | var count = 0; |
| michael@0 | 26 | while(count < length) { |
| michael@0 | 27 | child = children[count] |
| michael@0 | 28 | traverse(child, indent) |
| michael@0 | 29 | count++ |
| michael@0 | 30 | } |
| michael@0 | 31 | } |
| michael@0 | 32 | } |
| michael@0 | 33 | // it's just text, no tag, dump "Text" |
| michael@0 | 34 | else if (type == Node.TEXT_NODE) { |
| michael@0 | 35 | dump(indent + "Text") |
| michael@0 | 36 | } |
| michael@0 | 37 | } |
| michael@0 | 38 | |
| michael@0 | 39 | var node = document.documentElement |
| michael@0 | 40 | |
| michael@0 | 41 | traverse(node, "") |
| michael@0 | 42 | dump("\n") |
| michael@0 | 43 | |
| michael@0 | 44 |
