namespace(prefix=nil)
Instance Public methods
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
1 2 3 4 | 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' |
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