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27d429a85f
This method takes a prefix and returns the namespace URI associated with it on the given node, or null if no namespace is found.
43 lines
2 KiB
HTML
43 lines
2 KiB
HTML
<!DOCTYPE html>
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<script src="../include.js"></script>
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<script>
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function testLookupNamespaceURI(node, prefix, name) {
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let prefixName = prefix;
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if (prefixName !== null)
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prefixName = `"${prefix}"`;
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println(`${name}.lookupNamespaceURI(${prefixName}): ${node.lookupNamespaceURI(prefix)}`);
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}
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test(() => {
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const documentFragment = document.createDocumentFragment();
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testLookupNamespaceURI(documentFragment, null, "documentFragment");
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testLookupNamespaceURI(documentFragment, "", "documentFragment");
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testLookupNamespaceURI(documentFragment, "foo", "documentFragment");
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testLookupNamespaceURI(documentFragment, "xml", "documentFragment");
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testLookupNamespaceURI(documentFragment, "xmlns", "documentFragment");
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const docType = document.doctype;
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testLookupNamespaceURI(docType, null, "docType");
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testLookupNamespaceURI(docType, "", "docType");
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testLookupNamespaceURI(docType, "foo", "docType");
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testLookupNamespaceURI(docType, "xml", "docType");
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testLookupNamespaceURI(docType, "xmlns", "docType");
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const element = document.createElementNS("namespace", "prefix:element");
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element.setAttribute("bar", "value");
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testLookupNamespaceURI(element, null, "element");
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testLookupNamespaceURI(element, "", "element");
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testLookupNamespaceURI(element, "foo", "element");
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testLookupNamespaceURI(element, "xml", "element");
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testLookupNamespaceURI(element, "xmlns", "element");
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const XMLNS_NS = "http://www.w3.org/2000/xmlns/";
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element.setAttributeNS(XMLNS_NS, 'xmlns:bar', 'exampleNamespaceURI');
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println("After setting element attribute xmlns:bar='exampleNamespaceURI'");
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testLookupNamespaceURI(element, null, "element");
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testLookupNamespaceURI(element, "", "element");
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testLookupNamespaceURI(element, "foo", "element");
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testLookupNamespaceURI(element, "bar", "element");
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});
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</script>
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