| <!DOCTYPE html> |
| <meta charset=utf-8> |
| <title>Node.childNodes</title> |
| <link rel=help href="https://dom.spec.whatwg.org/#dom-node-childnodes"> |
| <link rel=author title="Tim Taubert" href="mailto:ttaubert@mozilla.com"> |
| <link rel=author title="Ms2ger" href="mailto:Ms2ger@gmail.com"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <div id="log"></div> |
| <script> |
| test(function() { |
| var element = document.createElement("p"); |
| assert_equals(element.childNodes, element.childNodes); |
| }, "Caching of Node.childNodes"); |
| |
| var check_parent_node = function(node) { |
| assert_array_equals(node.childNodes, []); |
| |
| var children = node.childNodes; |
| var child = document.createElement("p"); |
| node.appendChild(child); |
| assert_equals(node.childNodes, children); |
| assert_array_equals(children, [child]); |
| assert_equals(children.item(0), child); |
| |
| var child2 = document.createComment("comment"); |
| node.appendChild(child2); |
| assert_array_equals(children, [child, child2]); |
| assert_equals(children.item(0), child); |
| assert_equals(children.item(1), child2); |
| |
| assert_false(2 in children); |
| assert_equals(children[2], undefined); |
| assert_equals(children.item(2), null); |
| }; |
| |
| test(function() { |
| check_parent_node(document.createElement("p")); |
| }, "Node.childNodes on an Element."); |
| |
| test(function() { |
| check_parent_node(document.createDocumentFragment()); |
| }, "Node.childNodes on a DocumentFragment."); |
| |
| test(function() { |
| check_parent_node(new Document()); |
| }, "Node.childNodes on a Document."); |
| </script> |
