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HTML::DOM::Collection(3) User Contributed Perl Documentation HTML::DOM::Collection(3)

HTML::DOM::Collection - A Perl implementation of the HTMLCollection interface

Version 0.058

  use HTML::DOM;
  $doc = HTML::DOM->new;
  $doc->write('<html> ..... </html>');
  $doc->close;
  
  $images = $doc->images; # returns an HTML::DOM::Collection
    
  $images->[0];    # first image
  $images->{logo}; # image named 'logo'
  $images->item(0);
  $images->namedItem('logo');
  
  $images->length; # same as scalar @$images

This implements the HTMLCollection interface as described in the W3C's DOM standard. This class is actually just a wrapper around the NodeList classes. In addition to the methods below, you can use a collection as a hash and as an array (both read-only).

Normally you would simply call a method that returns an HTML collection (as in the "SYNOPSIS"). But if you wall to call the constructor, here is the syntax:

  $collection = HTML::DOM::Collection->new($nodelist)

$nodelist should be a node list object.

$collection->length
Returns the number of items in the collection.
$collection->item($index)
Returns item number $index, numbered from 0. Note that you call also use "$collection->[$index]" for short.
$collection->namedItem($name)
Returns the item named $name. If an item with an ID of $name exists, that will be returned. Otherwise the first item whose "name" attribute is $name will be returned. You can also write "$collection->{$name}".

HTML::DOM

HTML::DOM::NodeList

2018-02-02 perl v5.32.1

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