The Window object
The Window object
The Window object represents the window that opens in the browser.
If the document contains a frame, or a label, the browser creates a window object for the HTML document and an additional window object for each frame.
Note: There
is no public standard applied to the window object, but it is supported by all browsers.
Window object properties
| Property | Describe |
|---|---|
| closed | Returns whether the window has been closed. |
| defaultStatus | Set or return the default text in the window status bar. |
| document | A read-only reference to a Document object. (See object .) ) |
| frames | Returns all the named frames in the window. The collection is an array of Window objects, each with a frame in the window. |
| history | A read-only reference to a History object. P lease parameter the History object. |
| innerHeight | Returns the height of the window's document display area. |
| innerWidth | Returns the width of the window's document display area. |
| length | Set or return the number of frames in the window. |
| location | The Location object used for a window or frame. See Location objects. |
| name | Set or return the name of the window. |
| navigator | A read-only reference to a Navigator object. Please parameter the Navigator object. |
| opener | Returns a reference to the window that created this window. |
| outerHeight | Returns the external height of the window, including the toolbar and scroll bar. |
| outerWidth | Returns the outer width of the window, including the toolbar and scroll bar. |
| pageXOffset | Set or return the current page's X position relative to the upper left corner of the window display area. |
| pageYOffset | Set or return the Y position of the current page relative to the upper left corner of the window display area. |
| parent | Return to the parent window. |
| screen | A read-only reference to a Screen object. P lease parameter the Screen object. |
| screenLeft | Returns x coordinates relative to the screen window |
| screenTop | Returns the y coordinates relative to the screen window |
| screenX | Returns x coordinates relative to the screen window |
| screenY | Returns the y coordinates relative to the screen window |
| self | Returns a reference to the current window. Equivalent to the Window property. |
| status | Set the text for the window status bar. |
| top | Returns the top-level parent window. |
The Window object method
| method | describe |
|---|---|
| alert() | Shows a warning box with a message and a confirmation button. |
| blur() | Remove the keyboard focus from the top window. |
| clearInterval() | Cancel the timeout set by setInterval (). |
| clearTimeout() | Cancel the Timeout set by the setTimeout () method. |
| close() | Close the browser window. |
| confirm() | Display a dialog box with a message and a confirmation button and a cancel button. |
| createPopup() | Create a POP-UP window. |
| focus() | Give the keyboard focus to a window. |
| moveBy() | The current coordinates of the can be moved to the specified pixel. |
| moveTo() | Move the upper left corner of the window to a specified coordinate. |
| open() | Open a new browser window or look up a named window. |
| print() | Print the contents of the current window. |
| prompt() | Displays a dialog that prompts users to enter. |
| resizeBy() | Adjust the size of the window according to the specified pixel. |
| resizeTo() | Adjust the size of the window to the specified width and height. |
| scroll() | |
| scrollBy() | Scroll content according to the specified pixel value. |
| scrollTo() | Scroll content to the specified coordinates. |
| setInterval() | Call the function or calculate the expression according to the specified cycle (in millisecond). |
| setTimeout() | Call the function or calculate the expression after the specified millisecond number. |