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.
IE: Internet Explorer, F: Firefox, O: Opera.
Window Object Collections
| Collection |
Description |
IE |
F |
O |
| frames[] |
Returns all named frames in the window |
4 |
1 |
9 |
Window Object Properties
| Property |
Description |
IE |
F |
O |
| closed |
Returns whether or not a window has been closed |
4 |
1 |
9 |
| defaultStatus |
Sets or returns the default text in the statusbar of the window |
4 |
No |
9 |
| document |
See Document object |
4 |
1 |
9 |
| history |
See History object |
4 |
1 |
9 |
| length |
Sets or returns the number of frames in the window |
4 |
1 |
9 |
| location |
See Location object |
4 |
1 |
9 |
| name |
Sets or returns the name of the window |
4 |
1 |
9 |
| opener |
Returns a reference to the window that created the window |
4 |
1 |
9 |
| outerHeight |
Sets or returns the outer height of a window |
No |
1 |
No |
| outerWidth |
Sets or returns the outer width of a window |
No |
1 |
No |
| pageXOffset |
Sets or returns the X position of the current page in
relation to the upper left corner of a window's display area |
No |
No |
No |
| pageYOffset |
Sets or returns the Y position of the current page in
relation to the upper left corner of a window's display area |
No |
No |
No |
| parent |
Returns the parent window |
4 |
1 |
9 |
| personalbar |
Sets whether or not the browser's personal bar (or directories bar) should be visible |
|
|
|
| scrollbars |
Sets whether or not the scrollbars should be visible |
|
|
|
| self |
Returns a reference to the current window |
4 |
1 |
9 |
| status |
Sets the text in the statusbar of a window |
4 |
No |
9 |
| statusbar |
Sets whether or not the browser's statusbar should be visible |
|
|
|
| toolbar |
Sets whether or not the browser's tool bar is visible or
not (can only be set before the window is opened and you must have UniversalBrowserWrite privilege) |
|
|
|
| top |
Returns the topmost ancestor window |
4 |
1 |
9 |
Window Object Methods
| Method |
Description |
IE |
F |
O |
| alert() |
Displays an alert box with a message and an OK button |
4 |
1 |
9 |
| blur() |
Removes focus from the current window |
4 |
1 |
9 |
| clearInterval() |
Cancels a timeout set with setInterval() |
4 |
1 |
9 |
| clearTimeout() |
Cancels a timeout set with setTimeout() |
4 |
1 |
9 |
| close() |
Closes the current window |
4 |
1 |
9 |
| confirm() |
Displays a dialog box with a message and an OK and a Cancel button |
4 |
1 |
9 |
| createPopup() |
Creates a pop-up window |
4 |
No |
No |
| focus() |
Sets focus to the current window |
4 |
1 |
9 |
| moveBy() |
Moves a window relative to its current position |
4 |
1 |
9 |
| moveTo() |
Moves a window to the specified position |
4 |
1 |
9 |
| open() |
Opens a new browser window |
4 |
1 |
9 |
| print() |
Prints the contents of the current window |
5 |
1 |
9 |
| prompt() |
Displays a dialog box that prompts the user for input |
4 |
1 |
9 |
| resizeBy() |
Resizes a window by the specified pixels |
4 |
1 |
9 |
| resizeTo() |
Resizes a window to the specified width and height |
4 |
1.5 |
9 |
| scrollBy() |
Scrolls the content by the specified number of pixels |
4 |
1 |
9 |
| scrollTo() |
Scrolls the content to the specified coordinates |
4 |
1 |
9 |
| setInterval() |
Evaluates an expression at specified intervals |
4 |
1 |
9 |
| setTimeout() |
Evaluates an expression after a specified number of milliseconds |
4 |
1 |
9 |
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