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  /*
   * Copyright (c) 1998 World Wide Web Consortium, (Massachusetts Institute of
   * Technology, Institut National de Recherche en Informatique et en
   * Automatique, Keio University).
   * All Rights Reserved. http://www.w3.org/Consortium/Legal/
   */
  
  package org.w3c.dom.html;
  
 import org.w3c.dom.*;

An HTMLDocument is the root of the HTML hierarchy andholds the entire content. Beside providing access to the hierarchy, italso provides some convenience methods for accessing certain sets ofinformation from the document.

The following properties have been deprecated in favor of the corresponding ones for the BODY element:alinkColorbackgroundbgColorfgColor linkColorvlinkColor

 
 public interface HTMLDocument extends Document {
  
The title of a document as specified by the TITLEelement in the head of the document.
 
   public String             getTitle();
   public void               setTitle(String title);
  
Returns the URI of the page that linked to this page. The value isan empty string if the user navigated to the page directly (notthrough a link, but, for example, via a bookmark).
 
   public String             getReferrer();
  
The domain name of the server that served the document, or a nullstring if the server cannot be identified by a domain name.
 
   public String             getDomain();
  
The complete URI of the document.
 
   public String             getURL();
  
The element that contains the content for the document. In documentswith BODY contents, returns the BODYelement, and in frameset documents, this returns the outermostFRAMESET element.
 
   public HTMLElement        getBody();
   public void               setBody(HTMLElement body);
  
A collection of all the IMG elements in a document.The behavior is limited to IMG elements forbackwards compatibility.
 
   public HTMLCollection     getImages();
  
A collection of all the OBJECT elements that includeapplets and APPLET (deprecated) elements ina document.
 
   public HTMLCollection     getApplets();
  
A collection of all AREA elements andanchor (A) elements in a documentwith a value for the href attribute.
 
   public HTMLCollection     getLinks();
  
A collection of all the forms of a document.
 
   public HTMLCollection     getForms();
  
A collection of all the anchor (A) elements in a document with a value for the name attribute.Note. For reasons of backwardscompatibility, the returned set of anchors only contains those anchors created with the name attribute, not those created with the id attribute.
 
   public HTMLCollection     getAnchors();
  
The cookies associated with this document. If there are none, thevalue is an empty string. Otherwise, the value is a string: asemicolon-delimited list of "name, value" pairs for all the cookiesassociated with the page. For example, name=value;expires=date.
 
   public String             getCookie();
   public void               setCookie(String cookie);
  
Note.This method and the ones following allow a user to add to or replace the structuremodel of a document using strings of unparsed HTML. At the time of writing alternate methods for providing similar functionality for both HTML and XML documents were being considered. The following methodsmay be deprecated at some point in the future in favor of a more general-purpose mechanism.
Open a document stream for writing. If a document exists in the target, this method clears it.
 
   public void               open();
  
Closes a document stream opened by open()and forces rendering.
  public void               close();
  
Write a string of text to a document stream opened byopen(). The text is parsed into the document's structuremodel.

Parameters:
text The string to be parsed into some structure in the document structuremodel.
  public void               write(String text);
  
Write a string of text followed by a newline character to a document stream opened by open(). The text is parsed into the document's structure model.

Parameters:
text The string to be parsed into some structure in the document structuremodel.
  public void               writeln(String text);
  
Returns the Element whose id is given by elementId. If no such element exists, returns null. Behavior is not defined if more than one element has this id.

Parameters:
elementId The unique id value for an element.
Returns:
The matching element.
  public Element            getElementById(String elementId);
  
Returns the (possibly empty) collection of elements whosename value is given by elementName.

Parameters:
elementName The name attribute value for an element.
Returns:
The matching elements.
  public NodeList           getElementsByName(String elementName);
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