зеркало из https://github.com/mozilla/gecko-dev.git
122 строки
2.9 KiB
JavaScript
122 строки
2.9 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
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is Mozilla Communicator client code.
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*
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* The Initial Developer of the Original Code is Netscape Communications
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* Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*/
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function findBody(node)
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{
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if (node.nodeType != Node.ELEMENT_NODE) {
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return null;
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}
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var children = node.childNodes;
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if (children == null) {
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return null;
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}
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var length = children.length;
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var child = null;
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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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if (child.tagName == "BODY") {
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dump("BODY found");
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return child;
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}
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var body = findBody(child);
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if (null != body) {
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return body;
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}
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count++;
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}
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return null;
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}
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// Given the body element, find the first table element
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function findTable(body)
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{
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// XXX A better way to do this would be to use getElementsByTagName(), but
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// it isn't implemented yet...
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var children = body.childNodes
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if (children == null) {
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return null;
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}
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var length = children.length;
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var child = null;
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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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if (child.nodeType == Node.ELEMENT_NODE) {
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if (child.tagName == "TABLE") {
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dump("TABLE found");
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break;
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}
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}
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count++;
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}
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return child;
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}
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// Given a table element, find the first table body
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function findTableBody(table)
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{
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// XXX A better way to do this would be to use getElementsByTagName(), but
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// it isn't implemented yet...
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var children = table.childNodes
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if (children == null) {
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return null;
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}
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var length = children.length;
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var child = null;
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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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if (child.nodeType == Node.ELEMENT_NODE) {
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if (child.tagName == "TBODY") {
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break;
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}
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}
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count++;
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}
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return child;
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}
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// Change the text of the first table cell
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function changeCell(table)
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{
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// Get a table body
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var body = findTableBody(table)
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// The table body's first child is a table row
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var row = body.firstChild
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// The row's first child is a table cell
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var cell = row.firstChild
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// Get the cell's text
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var text = cell.firstChild
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// Append some text
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text.append(" NEW TEXT")
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}
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changeCell(findTable(findBody(document.documentElement)))
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