The Document object represents the entire HTML document
and can be used to access all elements in a page.
Document Object Collections
anchors[] Returns a reference to all Anchor objects in
the document
forms[] Returns a reference to all Form objects in the
document
images[] Returns a reference to all Image objects in the
document
links[] Returns a reference to all Area and Link objects
in the document
Document Object Properties
Body Gives direct access to the <body> element
Cookie Sets or returns all cookies associated with the
current document
Domain Returns the domain name for the current document
lastModified Returns the date and time a document was
last modified
Referrer Returns the URL of the document that loaded the
current document
Title Returns the title of the current document
URL Returns the URL of the current document
Document Object Methods
close() Closes an output stream opened with the
document.open() method
getElementById() Returns a reference to the first object
with the specified id
getElementsByName() Returns a collection of objects with
the specified name
getElementsByTagName() Returns a collection of objects
with the specified tagname
open() Opens a stream to collect the output from any
document.write() or document.writeln()
write() Writes HTML expressions or JavaScript code to a
document
writeln() Identical to the write(), with the addition of
writing a new line character after expression
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