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Ruby latest stable (v2_5_5) - 0 notes - Class: REXML::Element

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What's this?

[](name_or_index) public

Fetches an attribute value or a child.

If String or Symbol is specified, it’s treated as attribute name. Attribute value as String or nil is returned. This case is shortcut of +attributes[name]+.

If Integer is specified, it’s treated as the index of child. It returns Nth child.

doc = REXML::Document.new("<a attr='1'><b/><c/></a>")
doc.root["attr"]             # => "1"
doc.root.attributes["attr"]  # => "1"
doc.root[1]                  # => <c/>

Show source

# File lib/rexml/element.rb, line 567
    def [](name_or_index)
      case name_or_index
      when String
        attributes[name_or_index]
      when Symbol
        attributes[name_or_index.to_s]
      else
        super
      end
    end

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