Parsing XML with default namespace using xPath in javascript?

I've got the impression that your understanding of the XPath processing doesn't match the implementation - unless, that is, the implementation you're dealing with is very different from the ones I'm familiar with Usually, the XPath processor has to have namespaces registered and prefixes mapped to them in order for the expression to be successfully evaluated. So the prefixes could be anything - the only thing that matters is what they're mapped to. See this answer by a known expert to get more information.

I've got the impression that your understanding of the XPath processing doesn't match the implementation - unless, that is, the implementation you're dealing with is very different from the ones I'm familiar with. Usually, the XPath processor has to have namespaces registered and prefixes mapped to them in order for the expression to be successfully evaluated. So the prefixes could be anything - the only thing that matters is what they're mapped to.

See this answer by a known expert to get more information.

You can omit prefix for namespace, and then that namespace is considered default namespace. Here are some examples and clarifications: w3schools. Com/xml/xml_namespaces.

Asp, developerfusion. Com/article/3720/understanding-xml-namespaces/5 – dugokontov Jul 21 at 6:51 @dugokontov, I think you're confusing no namespace and default namespace. In an XML doc, you set the default namespace using xmlns="something", so without a prefix.By default, the default namespace is the empty namespace (no namespace).

The default namespace depends on the context; XPath makes no exception here. By not specifying any prefix with his XPath expressions and not registering any namespaces, the OP's expression very likely matches nodes in no namespace. – Lumi Jul 21 at 8:26 you just sad the same thing as I did in my comment: In an XML doc, you set the default namespace using xmlns="something", so without a prefix == You can omit prefix for namespace, and then that namespace is considered default namespace.

Also, your scenario in your last sentence is described in my fist example provided: jsfiddle. Net/BF34q/1.So, I'm little confused what do you want to say to me? – dugokontov Jul 21 at 9:48 @dugokontov, I can see why you're confused :-) I must have misread your statement, sorry for that.

What I want to say to you is that you need to register the namespace http://example.com/domain with your XPath processor. Just map it to some prefix x and then use that prefix with your query. It'll work using libraries such as LibXML2.

Not sure what the incantation for the processor that's embedded in the browser should be, though. Maybe try using the Saxon library. – Lumi Jul 21 at 12:57 don't get me wrong, but I have feeling that you haven't read my question at all.

I know I have to assign some prefix to default namespace, and my question was I wonder if it is possible to assign default namespace prefix in javascript?. Plz read before answering... – dugokontov Jul 217 at 10:57.

I think there are three ways to do this: Use //*local-name()='book' syntax for accessing nodes Convert XML to string, remove default namespace using RegExp, convert it back to XML For XML files where you know namespaces in advance, you can create your own namespace resolver, which will allow you to use your own prefix for default namespace. This can be achieved like this: function nsResolver(prefix) { switch (prefix) { case 'xhtml': return 'w3.org/1999/xhtml'; case 'mathml': return 'w3.org/1998/Math/MathML'; default: return 'example.com/domain'; } } xml. Evaluate('//myPrefix:book', xml, nsResolver, XPathResult.

ANY_TYPE, null).

I've got the impression that your understanding of the XPath processing doesn't match the implementation - unless, that is, the implementation you're dealing with is very different from the ones I'm familiar with.

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