class REXML::Elements
elements # => #<REXML::Elements @element=<bookstore> … </>>
elements = d.root.elements
d = REXML::Document.new(xml_string)
EOT
</bookstore>
</book>
<price>39.95</price>
<year>2003</year>
<author>Erik T. Ray</author>
<title lang=“en”>Learning XML</title>
<book category=“web” cover=“paperback”>
</book>
<price>49.99</price>
<year>2003</year>
<author>Vaidyanathan Nagarajan</author>
<author>James Linn</author>
<author>Kurt Cagle</author>
<author>Per Bothner</author>
<author>James McGovern</author>
<title lang=“en”>XQuery Kick Start</title>
<book category=“web”>
</book>
<price>29.99</price>
<year>2005</year>
<author>J K. Rowling</author>
<title lang=“en”>Harry Potter</title>
<book category=“children”>
</book>
<price>30.00</price>
<year>2005</year>
<author>Giada De Laurentiis</author>
<title lang=“en”>Everyday Italian</title>
<book category=“cooking”>
<bookstore>
<?xml version=“1.0” encoding=“UTF-8”?>
xml_string = <<-EOT
not expected to instantiate this yourself.
the element.elements object. Therefore, you are
XPath search support. You are expected to only encounter this class as
A class which provides filtering of children for Elements, and
def []( index, name=nil)
eles[5, 'book'] # => nil
eles[4, 'book'] # =>
eles[1, 'book'] # =>
eles = d.root.elements # => #
or +nil+ if there is no such _nth_ element:
returns the _nth_ found element that has the given +name+,
With arguments +n+ and +name+ given,
eles['..'].class # => REXML::Document
eles['.'] # =>
eles['//book [@category="nosuch"]'] # => nil
eles['//nosuch'] # => nil
eles['/nosuch'] # => nil
eles['//book [@category="children"]'] # =>
eles['//book'] # =>
eles['/bookstore'] # =>
eles = d.root.elements # => #
returns the first element found via that +xpath+, if any; otherwise, +nil+:
When the single argument +xpath+ is given,
eles[1] # => nil
eles.to_a # => ["Everyday Italian"]
eles = d.root.first.first # =>