The Tor Browser / file comparison
comparison: dom/tests/js/tables/changeCell.js
dom/tests/js/tables/changeCell.js
- changeset 0
- 6474c204b198
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| -1:000000000000 | 0:680d6472b6f2 |
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| 1 /* -*- Mode: js; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 function findBody(node) | |
| 7 { | |
| 8 if (node.nodeType != Node.ELEMENT_NODE) { | |
| 9 return null; | |
| 10 } | |
| 11 var children = node.childNodes; | |
| 12 if (children == null) { | |
| 13 return null; | |
| 14 } | |
| 15 var length = children.length; | |
| 16 var child = null; | |
| 17 var count = 0; | |
| 18 while (count < length) { | |
| 19 child = children[count]; | |
| 20 if (child.tagName == "BODY") { | |
| 21 dump("BODY found"); | |
| 22 return child; | |
| 23 } | |
| 24 var body = findBody(child); | |
| 25 if (null != body) { | |
| 26 return body; | |
| 27 } | |
| 28 count++; | |
| 29 } | |
| 30 return null; | |
| 31 } | |
| 32 | |
| 33 // Given the body element, find the first table element | |
| 34 function findTable(body) | |
| 35 { | |
| 36 // XXX A better way to do this would be to use getElementsByTagName(), but | |
| 37 // it isn't implemented yet... | |
| 38 var children = body.childNodes | |
| 39 if (children == null) { | |
| 40 return null; | |
| 41 } | |
| 42 var length = children.length; | |
| 43 var child = null; | |
| 44 var count = 0; | |
| 45 while (count < length) { | |
| 46 child = children[count]; | |
| 47 if (child.nodeType == Node.ELEMENT_NODE) { | |
| 48 if (child.tagName == "TABLE") { | |
| 49 dump("TABLE found"); | |
| 50 break; | |
| 51 } | |
| 52 } | |
| 53 count++; | |
| 54 } | |
| 55 | |
| 56 return child; | |
| 57 } | |
| 58 | |
| 59 // Given a table element, find the first table body | |
| 60 function findTableBody(table) | |
| 61 { | |
| 62 // XXX A better way to do this would be to use getElementsByTagName(), but | |
| 63 // it isn't implemented yet... | |
| 64 var children = table.childNodes | |
| 65 if (children == null) { | |
| 66 return null; | |
| 67 } | |
| 68 var length = children.length; | |
| 69 var child = null; | |
| 70 var count = 0; | |
| 71 while (count < length) { | |
| 72 child = children[count]; | |
| 73 if (child.nodeType == Node.ELEMENT_NODE) { | |
| 74 if (child.tagName == "TBODY") { | |
| 75 break; | |
| 76 } | |
| 77 } | |
| 78 count++; | |
| 79 } | |
| 80 | |
| 81 return child; | |
| 82 } | |
| 83 | |
| 84 // Change the text of the first table cell | |
| 85 function changeCell(table) | |
| 86 { | |
| 87 // Get a table body | |
| 88 var body = findTableBody(table) | |
| 89 | |
| 90 // The table body's first child is a table row | |
| 91 var row = body.firstChild | |
| 92 | |
| 93 // The row's first child is a table cell | |
| 94 var cell = row.firstChild | |
| 95 | |
| 96 // Get the cell's text | |
| 97 var text = cell.firstChild | |
| 98 | |
| 99 // Append some text | |
| 100 text.append(" NEW TEXT") | |
| 101 } | |
| 102 | |
| 103 changeCell(findTable(findBody(document.documentElement))) | |
| 104 |
