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Manual Reference Pages  -  HTML::DOM::NODELIST::MAGIC (3)

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NAME

HTML::DOM::NodeList::Magic - Magical node list class for HTML::DOM

CONTENTS

VERSION

Version 0.056

SYNOPSIS



  use HTML::DOM;
  $doc = HTML::DOM->new;

  $list = $doc->getElementsByTagName(p);
    # returns an HTML::DOM::NodeList::Magic object

  # OR:
  use HTML::DOM::NodeList::Magic;
  $list = new HTML::DOM::NodeList::Magic::
      sub {
          # ... return a list of items ...
      },
      $doc;
   
  $list->[0];     # first node
  $list->item(0); # same
 
  $list->length; # same as scalar @$list



DESCRIPTION

See HTML::DOM::NodeList both for a description and the API.

There is one difference, though: If you want to create a NodeList yourself, for whatever reason, you can call the constructor shown in the synopsis. The subroutine has to return the entire list that the node list is supposed to contain. The second argument is the document to which the node belongs. If the document is modified, the node list is automatically notified, and calls the subroutine again the next time it is accessed, to reset itself. If you don’t provide the document, the node list will never be updated after the first time an element is accessed.

SEE ALSO

HTML::DOM

HTML::DOM::NodeList

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perl v5.20.3 HTML::DOM::NODELIST::MAGIC (3) 2016-02-28

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