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Editorial Team
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Asked: 2026-06-11T06:08:05+00:00

I was looking into HTML:Element documentation and came across attr_get_i method which according to

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I was looking into HTML:Element documentation and came across attr_get_i method which according to documentation states that:

In list context, returns a list consisting of the values of the given
attribute for $h and for all its ancestors starting from $h and
working its way up.

Now, according to the example given there:

<html lang='i-klingon'>
     <head><title>Pati Pata</title></head>
     <body>
       <h1 lang='la'>Stuff</h1>
       <p lang='es-MX' align='center'>
         Foo bar baz <cite>Quux</cite>.
       </p>
       <p>Hooboy.</p>
     </body>
   </html>

If $h is the <cite> element, $h->attr_get_i("lang") in list context will return the list ('es-MX', 'i-klingon').

Now, according to my unuderstanding the returned list should be ('es-MX', 'la', 'i-klingon') that is it should also consider <h1 lang='la'>Stuff</h1> but according to the documentation it doesn’t.

Now, why am I wrong here.

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1 Answer

  1. Editorial Team

    The ‘lang’ attributes here are:

    +-------------+------------------+
|    lang     |       path       |
+-------------+------------------+
| i-klingon   | /html            |
| la          | /html/body/h1    |
| es-MX       | /html/body/p     |
+-------------+------------------+

    The <cite> node does not have <h1> as its parent (path is /html/body/p/cite), so <h1> is not its ancestor. This is why the method does not return it.

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