method
namespace
namespace(prefix=nil)
public
Evalutas to the URI for a prefix, or the empty string if no such namespace is declared for this element. Evaluates recursively for ancestors. Returns the default namespace, if there is one.
prefix: | the prefix to search for. If not supplied, returns the default namespace if one exists |
Returns: | the namespace URI as a String, or nil if no such namespace exists. If the namespace is undefined, returns an empty string |
doc = Document.new("<a xmlns='1' xmlns:y='2'><b/><c xmlns:z='3'/></a>") b = doc.elements['//b'] b.namespace # -> '1' b.namespace("y") # -> '2'