The Window Object
Window Object
The window object represents an open window in a browser.
If a document contain frames (<frame> or <iframe> tags), the browser creates one window object for the HTML document, and one additional window object for each frame.
 Note: There is no public standard that applies to the Window object, but all major browsers support it.
Window Object Properties
| Property |
Description |
| closed |
Returns a Boolean value indicating whether a window has been closed or
not |
| defaultStatus |
Sets or returns the default text in the statusbar of a window |
| document |
Returns the Document object for the window (See Document object) |
| frames |
Returns an array of all the frames (including iframes) in the current window |
| history |
Returns the History object for the window (See History object) |
| innerHeight |
Sets or returns the the inner height of a window's content area |
| innerWidth |
Sets or returns the the inner width of a window's content area |
| length |
Returns the number of frames (including iframes) in a window |
| location |
Returns the Location object for the window (See Location object) |
| name |
Sets or returns the name of a window |
| navigator |
Returns the Navigator object for the window (See
Navigator object) |
| opener |
Returns a reference to the window that created the window |
| outerHeight |
Sets or returns the outer height of a window, including
toolbars/scrollbars |
| outerWidth |
Sets or returns the outer width of a window, including
toolbars/scrollbars |
| pageXOffset |
Returns the pixels the current document has been scrolled (horizontally)
from the upper left corner of the window |
| pageYOffset |
Returns the pixels the current document has been scrolled (vertically)
from the upper left corner of the window |
| parent |
Returns the parent window of the current window |
| screen |
Returns the Screen object for the window (See
Screen object) |
| screenLeft |
Returns the x coordinate of the window relative to the screen |
| screenTop |
Returns the y coordinate of the window relative to the screen |
| screenX |
Returns the x coordinate of the window relative to the screen |
| screenY |
Returns the y coordinate of the window relative to the screen |
| self |
Returns the current window |
| status |
Sets the text in the statusbar of a window |
| top |
Returns the topmost browser window |
Window Object Methods
| Method |
Description |
| alert() |
Displays an alert box with a message and an OK button |
| blur() |
Removes focus from the current window |
| clearInterval() |
Clears a timer set with setInterval() |
| clearTimeout() |
Clears a timer set with setTimeout() |
| close() |
Closes the current window |
| confirm() |
Displays a dialog box with a message and an OK and a Cancel button |
| createPopup() |
Creates a pop-up window |
| focus() |
Sets focus to the current window |
| moveBy() |
Moves a window relative to its current position |
| moveTo() |
Moves a window to the specified position |
| open() |
Opens a new browser window |
| print() |
Prints the content of the current window |
| prompt() |
Displays a dialog box that prompts the visitor for input |
| resizeBy() |
Resizes the window by the specified pixels |
| resizeTo() |
Resizes the window to the specified width and height |
| scroll() |
|
| scrollBy() |
Scrolls the content by the specified number of pixels |
| scrollTo() |
Scrolls the content to the specified coordinates |
| setInterval() |
Calls a function or evaluates an expression at specified intervals (in
milliseconds) |
| setTimeout() |
Calls a function or evaluates an expression after a specified number of
milliseconds |
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