class Nokogiri::XML::Node

Since v1.11.0

node.kwattr_values("rel") # => ["nofollow", "noopener", "external"]
node # => link

*Example:*

attribute is empty or non-existent, the return value is an empty array.
(Array) The values present in the Node's +attribute_name+ attribute. If the
[Returns]

- +attribute_name+ (String) The name of the keyword attribute to be inspected.
[Parameters]

See also #classes, #kwattr_add, #kwattr_append, #kwattr_remove

{the "rel" attribute}[https://developer.mozilla.org/en-US/docs/Web/HTML/Attributes/rel].
contain CSS classes. But other keyword attributes exist, for instance
values. Perhaps the most familiar example of this is the HTML "class" attribute used to
A "keyword attribute" is a node attribute that contains a set of space-delimited

Fetch values from a keyword attribute of a Node.

kwattr_values(attribute_name) → Array
:call-seq:

def kwattr_values(attribute_name)
  keywordify(get_attribute(attribute_name) || [])
end