Thứ Bảy, 6 tháng 8, 2011

[Javascript] Document Object



Each HTML document loaded into a browser window becomes a Document object.
The Document object provides access to all HTML elements in a page, from within a script.
Tip: The Document object is also part of the Window object, and can be accessed through the window.document property.

Document Object Collections

W3C: W3C Standard.
CollectionDescriptionW3C
anchors[]Returns an array of all the anchors in the documentYes
forms[]Returns an array of all the forms in the documentYes
images[]Returns an array of all the images in the documentYes
links[]Returns an array of all the links in the documentYes

Document Object Properties

PropertyDescriptionW3C
cookieReturns all name/value pairs of cookies in the documentYes
documentModeReturns the mode used by the browser to render the documentNo
domainReturns the domain name of the server that loaded the documentYes
lastModifiedReturns the date and time the document was last modifiedNo
readyStateReturns the (loading) status of the documentNo
referrerReturns the URL of the document that loaded the current documentYes
titleSets or returns the title of the documentYes
URLReturns the full URL of the documentYes

Document Object Methods

MethodDescriptionW3C
close()Closes the output stream previously opened with document.open()Yes
getElementById()Accesses the first element with the specified idYes
getElementsByName()Accesses all elements with a specified nameYes
getElementsByTagName()Accesses all elements with a specified tagnameYes
open()Opens an output stream to collect the output from document.write() or document.writeln()Yes
write()Writes HTML expressions or JavaScript code to a documentYes
writeln()Same as write(), but adds a newline character after each statementYes

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