Test calling createAttributeNS with undefined as the namespace URI. It should treat it as null.

On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".


element = document.createElement("div"); attr = document.createAttributeNS(undefined, "foo")
PASS attr.prefix is null
PASS attr.localName is "foo"
PASS attr.namespaceURI is null
PASS element.getAttributeNodeNS(null, "foo") is null
PASS element.setAttributeNode(attr); element.getAttributeNodeNS(null, "foo") is attr
PASS successfullyParsed is true

TEST COMPLETE