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