The Window object

The window object is the top object in the DHTML Object Model, and contains information about the window and the frames.

Window Object Examples

Example	IE 5.5	NN 4.7	NN 6.2
Show an alert box	X	X	X
Show the current URL and change it	X	X	X
Display the user's screen properties	X	X	X
Open a new window	X	X	X
Print page	X		X
Resize window	X	X	X
Resize window to a specified size	X	X	X
Scroll the window	X	X	X
Scroll the window to a specified position	X	X	X
setTimeout()	X	X	X
confirm()	X	X	X
prompt()	X	X	X

Properties

Property	Description
clientInformation	Returns a navigator object
closed	Returns a Boolean value that indicates whether the window is closed or not
complete	Returns a Boolean value that indicates whether the window is finished loading or not
dataTransfer	Returns predefined clipboard formats that can be used when transferring data
defaultStatus	Sets or returns the default message in the status bar
dialogArguments	Sets or returns the arguments in a dialog box created by showModalDialog() or showModelessDialog()
dialogHeight	Sets or returns the height of a dialog box
dialogLeft	Sets or returns the left coordinate of a dialog box
dialogTop	Sets or returns the top coordinate of a dialog box
dialogWidth	Sets or returns the width of a dialog box
document	Returns the document object
event	Returns the event object
external	Returns the host of a Web page
history	Returns previously visited URLs
length	Returns the number of frames in a window
location	Returns the current URL
name	Sets or returns the name of the window
navigator	Returns a navigator object
offscreenBuffering	Indicates whether objects are offscreen before displayed
opener	Sets or returns the object that opened the current window
parent	Returns the parent object of the current frame
returnValue	Sets or returns the return value from a dialog box
screen	Returns an object that gives you information about the user's screen
screenLeft	Returns the coordinates of the left edge of the client's screen
screenTop	Returns the coordinates of the top edge of the client's screen
self	Returns the current window object
status	Sets or returns the message in the status bar
top	Returns the topmost window object

Methods

Method	Description
alert()	Displays an alert box with a message and an OK button
attachEvent()	Attaches the function to an event. The function will be called every time the event is fired
blur()	Window loses focus
clearInterval()	Clears the setInterval() method
clearTimeout()	Clears the setTimeout() method
close()	Closes the current window
confirm()	Displays a confirm box with a message, a Cancel and an OK button
detachEvent()	Detaches a function from an event
execScript()	Enables you to execute a script
focus()	Sets focus on a specified window
moveBy()	Moves the window's position. From the current position
moveTo()	Moves the window to a specified position
navigate()	Window navigates to a specified URL
open()	Opens a new window
print()	Prints the window's document
prompt()	Displays a prompt box with a message and an input field
resizeBy()	Resizes the window, by the specified x and y offsets
resizeTo()	Resizes the window to a specified value
scroll()	This method is deprecated in JavaScript 1.2. It has been replaced by scrollTo()
scrollBy()	Scrolls the window, from the current scroll position
scrollTo()	Scrolls the window to a specified position
setInterval()	An expression is valuated each time the specified interval occurs
setTimeout()	An expression is valuated after the specified timeout has occurred
showHelp()	Displays a specified help file
showModalDialog()	Displays a modal dialog box that shows a specified HTML document
showModelessDialog()	Displays a modeless dialog box that shows a specified HTML document

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