add_attribute( key, value=nil )
Instance Public methods
Adds an attribute to this element, overwriting any existing attribute by the same name.
- key
-
can be either an Attribute or a String. If an Attribute, the attribute is added to the list of Element attributes. If String, the argument is used as the name of the new attribute, and the value parameter must be supplied.
- value
-
Required if
key
is a String, and ignored if the first argument is an Attribute. This is a String, and is used as the value of the new Attribute. This should be the unnormalized value of the attribute (without entities). - Returns
-
the Attribute added
e = Element.new 'e' e.add_attribute( 'a', 'b' ) #-> <e a='b'/> e.add_attribute( 'x:a', 'c' ) #-> <e a='b' x:a='c'/> e.add_attribute Attribute.new('b', 'd') #-> <e a='b' x:a='c' b='d'/>
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