Module jdk.xml.dom
Package org.w3c.dom.html

Interface HTMLCollection

public interface HTMLCollection
An HTMLCollection is a list of nodes. An individual node may be accessed by either ordinal index or the node'sname or id attributes. Note: Collections in the HTML DOM are assumed to be live meaning that they are automatically updated when the underlying document is changed.

See also the Document Object Model (DOM) Level 2 Specification.

Since:
1.4, DOM Level 2

  • Method Summary

    Modifier and Type
    Method
    Description
    int
    getLength()
    This attribute specifies the length or size of the list.
    Node
    item​(int index)
    This method retrieves a node specified by ordinal index.
    Node
    namedItem​(String name)
    This method retrieves a Node using a name.

  • Method Details

    • getLength

      int getLength()
      This attribute specifies the length or size of the list.

    • item

      Node item​(int index)
      This method retrieves a node specified by ordinal index. Nodes are numbered in tree order (depth-first traversal order).
      Parameters:
      index - The index of the node to be fetched. The index origin is 0.
      Returns:
      The Node at the corresponding position upon success. A value of null is returned if the index is out of range.

    • namedItem

      Node namedItem​(String name)
      This method retrieves a Node using a name. It first searches for a Node with a matching id attribute. If it doesn't find one, it then searches for a Node with a matching name attribute, but only on those elements that are allowed a name attribute.
      Parameters:
      name - The name of the Node to be fetched.
      Returns:
      The Node with a name or id attribute whose value corresponds to the specified string. Upon failure (e.g., no node with this name exists), returns null .