зеркало из https://github.com/mozilla/gecko-dev.git
57 строки
1.6 KiB
JavaScript
57 строки
1.6 KiB
JavaScript
/* -*- Mode: js; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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//
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// travers the html tree and dump out the type of element
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//
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function traverse(node, indent)
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{
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dump("\n")
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indent += " "
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var type = node.nodeType;
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// if it's an element dump the tag and recurse the children
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if (type == Node.ELEMENT_NODE) {
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dump(indent + node.tagName)
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// go through the children
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if (node.hasChildNodes()) {
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var children = node.childNodes;
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var length = children.length;
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var count = 0;
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while(count < length) {
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child = children[count]
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traverse(child, indent)
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count++
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}
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}
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}
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// it's just text, no tag, dump "Text"
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else if (type == Node.TEXT_NODE) {
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dump(indent + "Text")
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}
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}
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var node = document.documentElement
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traverse(node, "")
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dump("\n")
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