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