pjs/dom/tests/js/tables/changeCaption.js

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3.2 KiB
JavaScript

/* -*- Mode: js; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla Communicator client code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
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function findBody(node)
{
if (node.nodeType != Node.ELEMENT_NODE) {
return null;
}
var children = node.childNodes;
if (children == null) {
return null;
}
var length = children.length;
var child = null;
var count = 0;
while (count < length) {
child = children[count];
if (child.tagName == "BODY") {
dump("BODY found");
return child;
}
var body = findBody(child);
if (null != body) {
return body;
}
count++;
}
return null;
}
// Given the body element, find the first table element
function findTable(body)
{
// XXX A better way to do this would be to use getElementsByTagName(), but
// it isn't implemented yet...
var children = body.childNodes
if (children == null) {
return null;
}
var length = children.length;
var child = null;
var count = 0;
while (count < length) {
child = children[count];
if (child.nodeType == Node.ELEMENT_NODE) {
if (child.tagName == "TABLE") {
dump("TABLE found");
break;
}
}
count++;
}
return child;
}
// Change the table's caption
function changeCaption(table)
{
// Get the first element. This is the caption (maybe). We really should
// check...
var caption = table.firstChild
// Get the caption text
var text = caption.firstChild
// Append some text
text.append(" NEW TEXT")
}
changeCaption(findTable(findBody(document.documentElement)))