class Hpricot::Elements

This example adds a #top anchor to each link.

records.attr("href") { |e| e['href'] + "#top" }

the new value of the attribute.
it belongs to. The block will pass in an element. Return from the block
Lastly, a block can be used to rewrite an attribute based on the element

(doc/"a").attr(:class => "basic", :href => "http://hackety.org/")

You may also use a Hash to set a series of attributes:

doc.search("p").attr("class", "basic")

matched elements.
Or, pass in a +key+ and +value+. This will set an attribute for all

#=> "http://hacketyhack.net/"
doc.search("a").attr("href")

attribute isn't found.
assigned to that attribute for the first elements. Or +nil+ if the
Pass in a +key+ on its own and this method will return the string value

Gets and sets attributes on all matched elements.

def attr key, value = nil, &blk
  if value or blk
    each do |el|
      el.set_attribute(key, value || blk[el])
    end
    return self      
  end    
  if key.is_a? Hash
    key.each { |k,v| self.attr(k,v) }
    return self
  else
    return self[0].get_attribute(key)
  end
end