Window : Window Object « Window « JavaScript Tutorial

The Window object is a JavaScript object created when a , , or tag is encountered.

Instances of this object can also be created by using the Window.open() method.

Methods/Properties	Description
alert	Loads an alert dialog box with the text string passed.
back	Loads the previous page in place of the window instance.
blur	Removes the focus from a window.
captureEvents	Sets the window to capture all events of a specified type.
clearInterval	Clears the interval set with the setInterval method.
clearTimeout	Clears the timeout set with the setTimeout method.
close	Closes the instance of the window.
confirm	Displays a confirmation dialog box.
disableExternalCapture	Disables external event capturing.
enableExternalCapture	Enables external event capturing for the pages loaded from other servers.
find	Displays a Find dialog box where the user can enter text to search the _current page.
focus	Assigns the focus to the specified _window instance.
forward	Loads the next page in place of the window instance.
handleEvent	Invokes the handler for the event passed.
home	Loads the user's specified home page in place of the window instance.
moveBy	Moves the window by the amounts specified.
moveTo	Moves the window to the specified location.
open	Opens a new instance of a window.
print	Invokes the Print dialog box so the user can print the current window.
prompt	Displays a prompt dialog box.
releaseEvents	Releases the captured events of a specified type.
resizeBy	Resizes the window by the specified amount.
resizeTo	Resizes the window to the specified size.
routeEvent	Passes the events of a specified type to be handled natively.
scroll	Scrolls the document in the window to a specified location.
scrollBy	Scrolls the document in the window by a specified amount.
scrollTo	Scrolls the document, both width and height, in the window to a specified location.
setInterval	Invokes a function or evaluates an expression every time the number of milliseconds has passed.
setTimeout	Invokes a function or evaluates an expression when the number of milliseconds has passed.
stop	Stops the current window from loading other items within it.
closed	Specifies if the window instance has been closed.
defaultStatus	Is the default message in the window's status bar.
document	References all the information about the document within this window. See the Document object for more information.
frames	References all the information about the frames within this window. See the Frame object for more information.
history	References the URLs the user has _visited.
innerHeight	Contains the height of the display area of the current window in pixels.
innerWidth	Contains the width of the display area of the current window in pixels.
length	Represents the number of frames in the current window.
location	Contains the current URL loaded into the window.
locationbar	Reference to the browser's location bar.
menubar	Reference to the browser's menu bar.
name	Name of the window.
opener	Contains the name of the window from which a second window was opened.
outerHeight	Contains the height of the outer area of the current window in pixels.
outerWidth	Contains the width of the outer area of the current window in pixels.
pageXOffset	Contains the x-coordinate of the current window.
pageYOffset	Contains the y-coordinate of the current window.
parent	Reference to the upper most window that is displaying the current frame.
personalbar	Reference to the browser's personal bar.
scrollbars	Reference to the browser's scroll bars.
self	Reference for the current window.
status	Reference to the message in the window's status bar.
statusbar	Reference to the browser's status bar.
toolbar	Reference to the browser's tool bar.
top	Reference to the upper most window that is displaying the current frame.
window	Reference for the current window.

When using the close() and open() methods, you must take the instance's name when called within an event handler.

<html>
    <head>
    <script language="JavaScript">
    <!--
    function openWin(){
      var myBars = 'directories=no,location=no,menubar=no,status=no';
      myBars += ',titlebar=no,toolbar=no';
      var myOptions = 'scrollbars=no,width=400,height=200,resizeable=no';

      var myFeatures = myBars + ',' + myOptions;

      var myReadme = "This is a test";

      var newWin = open('', 'myWin', myFeatures);

      newWin.document.writeln('<form>');

      newWin.document.writeln('<table>');
      newWin.document.writeln('<tr><td>Readme');
      newWin.document.writeln('</td></tr>');
      newWin.document.writeln('<tr valign=TOP><td>');
      newWin.document.writeln('<textarea cols=45 rows=7 wrap=SOFT>');
      newWin.document.writeln(myReadme + '</textarea>');
      newWin.document.writeln('</td></tr>');
      newWin.document.writeln('<tr><td>');
      newWin.document.writeln('<input type=BUTTON value="Close"');
      newWin.document.writeln(' onClick="window.close()">');
      newWin.document.writeln('</td></tr>');
      newWin.document.writeln('</table></form>');

      newWin.document.close();
      newWin.focus();
    }
    -->
    </script>
    </head>
    <body>
    <form>
      <b>Click the following button to open a new window: </b>
      <input type=BUTTON value="Open" onClick='openWin()'>
    </form>
    </body>
    </html>

19.2.Window Object
	19.2.1.	Window
	19.2.2.	window.alert()
	19.2.3.	window.back()
	19.2.4.	window.captureEvents()
	19.2.5.	window.clearInterval()
	19.2.6.	window.clearTimeout()
	19.2.7.	window.defaultStatus
	19.2.8.	window.disableExternalCapture()
	19.2.9.	window.document
	19.2.10.	window.enableExternalCapture()
	19.2.11.	window.find()
	19.2.12.	window.focus()
	19.2.13.	window.forward()
	19.2.14.	window.frames
	19.2.15.	window.frames.length
	19.2.16.	window.home()
	19.2.17.	window.innerHeight
	19.2.18.	window.innerWidth
	19.2.19.	window.length
	19.2.20.	window.location
	19.2.21.	window.locationbar
	19.2.22.	window.menubar
	19.2.23.	window.moveBy()
	19.2.24.	window.moveTo()
	19.2.25.	window.name
	19.2.26.	window.onBlur
	19.2.27.	window.onDragDrop
	19.2.28.	window.onError
	19.2.29.	window.onFocus
	19.2.30.	window.onLoad
	19.2.31.	window.onMove
	19.2.32.	window.onResize
	19.2.33.	window.onUnLoad
	19.2.34.	window.open()
	19.2.35.	window.opener
	19.2.36.	window.outerHeight
	19.2.37.	window.outerWidth
	19.2.38.	window.pageXOffset
	19.2.39.	window.pageYOffset
	19.2.40.	window.parent
	19.2.41.	window.personalbar
	19.2.42.	window.print()
	19.2.43.	window.prompt()
	19.2.44.	window.releaseEvents()
	19.2.45.	window.resizeBy()
	19.2.46.	window.resizeTo()
	19.2.47.	window.routeEvent()
	19.2.48.	window.scroll()
	19.2.49.	window.scrollbars
	19.2.50.	window.scrollBy()
	19.2.51.	window.scrollTo()
	19.2.52.	window.self
	19.2.53.	window.setInterval()
	19.2.54.	window.setTimeout()
	19.2.55.	window.status
	19.2.56.	window.statusbar
	19.2.57.	window.stop()
	19.2.58.	window.toolbar
	19.2.59.	window.top