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Common Window Properties

Common window properties
Property Description
closed Returns a Boolean value indicating whether or not a window has been closed
defaultStatus Sets or returns the default text in the status bar of a window
The defaultStatus and status properties can be set only if users have modified their browsers to allow it (very unlikely).
document Returns the document object for the window
frames Returns an array of all the frames and iframes in the window
history Returns the history object for the window
The history object cannot be read from (so you cannot see where your visitors have been surfing), but it supports the length property to determine how long the history is, and the back, forward, and go methods to navigate to specific pages in the history.
innerHeight Sets or returns the inner height of a window’s content area
When you need to know how much space there is available in a current window of the web browser, just read the values in window.innerHeight and window.innerWidth.
innerWidth Sets or returns the inner width of a window’s content area
When you need to know how much space there is available in a current window of the web browser, just read the values in window.innerHeight and window.innerWidth.
length Returns the number of frames and iframes in a window
location Returns the location object for the window
name Sets or returns the name of a window
navigator Returns the navigator object for the window
opener Returns a reference to the window that created the window
outerHeight Sets or returns the outer height of a window, including tool and scroll bars
outWidth Sets or returns the outer width of a window, including tool and scroll bars
pageXOffset Returns the number of pixels the document has been scrolled horizontally from the left of the window
pageYOffset Returns the number of pixels the document has been scrolled vertically from the top of the window
parent Returns the parent window of a window
screen Returns the screen object for the window
The screen object supports the read-only properties availHeight, availWidth, colorDepth, height, pixelDepth, and width, and is therefore great for determining information about the user’s display.
screenLeft Returns the x coordinate of the window relative to the screen in all recent browsers except Mozilla Firefox
(for which you should use screenX)
screenTop Returns the y coordinate of the window relative to the screen in all recent browsers except Mozilla Firefox
(for which you should use screenY)
screenX Returns the x coordinate of the window relative to the screen in all recent browsers except Opera, which
returns incorrect values; supported in versions of IE prior to 9
screenY Returns the y coordinate of the window relative to the screen in all recent browsers except Opera, which
returns incorrect values; supported in versions of IE prior to 9
self Returns the current window
status Sets or returns the text in the status bar of a window
The defaultStatus and status properties can be set only if users have modified their browsers to allow it (very unlikely).
top Returns the top browser window

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