DOM window Reference

This chapter provides a brief reference for all of the methods, properties, and events available through the DOM window object.

The window object represents the window itself. Typically, window contains the document as a child (see DOM Document Reference), provides access to the window.navigator and window.screen objects for manipulating the browsing environment itself, and provides a number of special properties for accessing the object model below it.

DOM window Interface

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The properties, methods, and event handlers of the window object are given here.

Properties

window._content	Returns a reference to the content element in the current window.
window.closed	This property indicates whether the current window is closed or not.
window.Components	Returns an array of the components installed in the browser.
window.controllers	Returns the XUL controller objects for the current chrome window.
window.crypto	Returns the browser crypto object
window.defaultStatus	Gets/sets the status bar text for the given window.
window.directories	Returns a reference to the directories toolbar in the current chrome.
window.document	Returns a reference to the document that the window contains.
window.frames	Returns an array of the subframes in the current window.
window.history	Returns a reference to the history object.
window.innerHeight	Gets/sets the height of the content area of the browser window.
window.innerWidth	Gets/sets the height of the content area of the browser window.
window.length	Returns the number of frames in the window.
window.location	Gets/sets the location, or current URL, of the window object.
window.locationbar	Returns the locationbar object, whose visibility can be toggled in the window.
window.menubar	Returns the menubar object, whose visibility can be toggled in the window.
window.name	Gets/sets the name of the window.
window.navigator	Returns a reference to the navigator object.
window.navigator.appCodeName	Returns the internal "code" name of the current browser.
window.navigator.appName	Returns the official name of the browser.
window.navigator.appVersion	Returns the version of the browser as a string.
window.navigator.cookieEnabled	Returns a boolean indicating whether cookies are enabled in the browser or not.
window.navigator.language	Returns a string representing the language version of the browser.
window.navigator.mimeTypes	Returns a list of the MIME types supported by the browser.
window.navigator.oscpu	Returns a string that represents the current operating system.
window.navigator.platform	Returns a string representing the platform of the browser.
window.navigator.plugins	Returns an array of the plugins installed in the browser.
window.navigator.product	Returns the product name of the browser (e.g., "Gecko")
window.navigator.productSub	Returns the product version number (e.g., "5.0")
window.navigator.userAgent	Returns the user agent string for the current browser.
window.navigator.vendor	Returns the vendor name of the current browser (e.g., "Netscape6")
window.navigator.vendorSub	Returns the vendor version number (e.g., "6.1")
window.opener	Returns a reference to the window that opened this current window.
window.outerHeight	Gets/sets the height of the outside of the browser window.
window.outerWidth	Gets/sets the width of the outside of the browser window.
window.pageXOffset	Gets the amount of content that has been hidden by scrolling to the right
window.pageYOffset	Gets the amount of content that has been hidden by scrolling down.
window.parent	Returns a reference to the parent of the current window or subframe.
window.personalbar	Returns the personalbar object, whose visibility can be toggled in the window.
window.pkcs11	Returns the pkcs11 object , which can be used to install drivers other software associated with the pkcs11 protocol.
window.prompter	Returns a reference to the prompt window, if any, currently displayed.
window.screen	Returns a reference to the screen object associated with the window.
window.screen.availHeight	Specifies the y-coordinate of the first pixel that is not allocated to permanent or semipermanent user interface features.
window.screen.availLeft	Returns the first available pixel available from the left side of the screen.
window.screen.availTop	Specifies the height of the screen, in pixels, minus permanent or semipermanent user interface features displayed by the operating system, such as the Taskbar on Windows.
window.screen.availWidth	Returns the amount of horizontal space in pixels available to the window.
window.screen.colorDepth	Returns the color depth of the screen.
window.screen.height	Returns the height of the screen in pixels.
window.screen.left	Gets/sets the current distance in pixels from the left side of the screen.
window.screen.pixelDepth	Getst the bit depth of the screen.
window.screen.top	Gets/sets the distance from the top of the screen.
window.screen.width	Returns the width of the screen.
window.screenX	Returns the horizontal distance of the left border of the user's browser from the left side of the screen.
window.screenY	Returns the vertical distance of the top border of the user's browser from the top side of the screen.
window.scrollbars	Returns the scrollbars object, whose visibility can be toggled in the window.
window.scrollX	Returns the number of pixels that the document has already been scrolled horizontally.
window.scrollY	Returns the number of pixels that the document has already been scrolled vertically.
window.self	Returns an object reference to the window object itself.
window.sidebar	Returns a reference to the window object of the sidebar.
window.status	Gets/sets the text in the statusbar at the bottom of the browser.
window.statusbar	Returns the statusbar object, whose visibility can be toggled in the window.
window.toolbar	Returns the toolbar object, whose visibility can be toggled in the window.
window.top	Returns a reference to the topmost window in the window hierarchy.
window.window	Returns a reference to the current window.

Methods

window.alert()	Displays an alert dialog.
window.back()	Moves back one in the window history.
window.blur()	Sets focus away from the window.
window.captureEvents()	Registers the window to capture all events of the specified type.
window.clearInterval()	Clears a delay that's been set for a specific function.
window.clearTimeout()	Clears the delay set by window.setTimeout().
window.close()	Closes the current window.
window.confirm()	Displays a dialog with a message that the user needs to respond to.
window.dump()	Writes a message to the console.
window.escape()	Encodes a string.
window.focus()	Sets focus on the current window.
window.forward()	Moves the window one document forward in the history.
window.GetAttention()	Flashes the application icon.
window.getSelection()	Returns the selection object representing the selected item(s).
window.home()	Returns the browser to the home page.
window.moveBy()	Moves the current window by a specified amount.
window.moveTo()	Moves the window to the specified coordinates.
window.open()	Opens a new window.
window.print()	Prints the current document.
window.prompt()	Returns the text entered by the user in a prompt dialog.
window.releaseEvents()	Releases the window from trapping events of a specific type.
window.resizeBy()	Resizes the current window by a certain amount.
window.resizeTo()	Dynamically resizes window.
window.scroll()	Scrolls the window to a particular place in the document.
window.scrollBy()	Scrolls the document in the window by the given amount.
window.scrollByLines()	Scrolls the document by the given number of lines.
window.scrollByPages()	Scrolls the current document by the specified number of pages.
window.scrollTo()	Scrolls to a particular set of coordinates in the document.
window.setCursor()	Changes the cursor.
window.setInterval()	Set a delay for a specific function.
window.setTimeout()	Sets a delay for executing a function.
window.sizeToContent()	Sizes the window according to its content.
window.stop()	This method stops window loading.
window.unescape()	Unencodes a value that has been encoded in hexadecimal (e.g., a cookie).
window.updateCommands()

Event Handlers

window.onabort	An event handler property for abort events on the window.
window.onblur	An event handler property for blur events on the window.
window.onchange	An event handler property for change events on the window.
window.onclick	An event handler property for click events on the window.
window.onclose	An event handler property for handling the window close event.
window.ondragdrop	An event handler property for drag and drop events on the window.
window.onerror	An event handler property for errors raised on the window.
window.onfocus	An event handler property for focus events on the window.
window.onkeydown	An event handler property for keydown events on the window.
window.onkeypress	An event handler property for keypress events on the window.
window.onkeyup	An event handler property for keyup events on the window.
window.onload	An event handler property for window loading.
window.onmousedown	An event handler property for mousedown events on the window.
window.onmousemove	An event handler property for mousemove events on the window.
window.onmouseout	An event handler property for mouseout events on the window.
window.onmouseover	An event handler property for mouseover events on the window.
window.onmouseup	An event handler property for mouseup events on the window.
window.onpaint	An event handler property for paint events on the window.
window.onreset	An event handler property for reset events on the window.
window.onresize	An event handler property for window resizing
window.onscroll	An event handler property for window scrolling.
window.onselect	An event handler property for window selection.
window.onsubmit	An event handler property for submits on window forms
window.onunload	An event handler property for unload events on the window.