DOM:window

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« Gecko DOM 参考

本节为 DOM window 中可用的所有方法、属性和事件提供简要的参考。window 对象实现了 Window 接口，此接口继承自 AbstractView 接口。

window 对象用于表示窗口自身。window 的 document 属性指向窗口中所载入的 DOM document 。可以通过使用 document.defaultView 属性来获取给定文档的窗口。

在 FireFox 之类的标签浏览器中，每个标签都有其自己的 window 对象（如果你在编写扩展的话，浏览器窗口也是一个单独的窗口——详情参见 Working with windows in chrome code）。也就是说，同一个窗口中的两个标签并不共用一个 window 对象。有几个方法，如 window.resizeTo 和 window.resizeBy 之类的方法会作用于整个窗口而不是该 window 对象所属的那个标签。一般而言，如果无法恰当地作用于标签，则会将其作用于窗口。

[编辑] 属性

window.Components

The entry point to many XPCOM features. Some properties, e.g. classes, are only available to sufficiently privileged code.

window.content and window._content

Returns a reference to the content element in the current window. The variant with underscore is deprecated.

window.closed

This property indicates whether the current window is closed or not.

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.dialogArguments New in Firefox 3

Gets the arguments passed to the window (if it's a dialog box) at the time window.showModalDialog() was called. This is an Template:interface.

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.frameElement

Returns the element in which the window is embedded, or null if the window is not embedded.

window.frames

Returns an array of the subframes in the current window.

window.fullScreen New in Firefox 3

This property indicates whether the window is displayed in full screen or not.

window.globalStorage New in Firefox 2

Multiple storage objects that are used for storing data across multiple pages.

window.history

Returns a reference to the history object.

window.innerHeight

Gets the height of the content area of the browser window including, if rendered, the horizontal scrollbar.

window.innerWidth

Gets the width of the content area of the browser window including, if rendered, the vertical scrollbar.

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.opener

Returns a reference to the window that opened this current window.

window.outerHeight

Gets the height of the outside of the browser window.

window.outerWidth

Gets the width of the outside of the browser window.

window.pageXOffset

An alias for window.scrollX.

window.pageYOffset

An alias for window.scrollY

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 and other software associated with the pkcs11 protocol.

window.returnValue New in Firefox 3

The return value to be returned to the function that called window.showModalDialog() to display the window as a modal dialog.

window.screen

Returns a reference to the screen object associated with the window.

window.screen.availTop

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.availHeight

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

Returns the current distance in pixels from the left side of the screen.

window.screen.pixelDepth

Gets the bit depth of the screen.

window.screen.top

Returns 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.scrollMaxX

The maximum offset that the window can be scrolled to horizontally.

(i.e., the document width minus the viewport width)

window.scrollMaxY

The maximum offset that the window can be scrolled to vertically.

(i.e., the document height minus the viewport height)

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.sessionStorage New in Firefox 3

A storage object for storing data within a single page session.

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.

[编辑] 方法

window.alert

Displays an alert dialog.

window.addEventListener

Register an event handler to a specific event type on the window.

window.atob

Decodes a string of data which has been encoded using base-64 encoding.

window.back

Moves back one in the window history.

window.blur

Sets focus away from the window.

window.btoa

Creates a base-64 encoded ASCII string from a string of binary data.

window.captureEvents Template:obsolete inline

Registers the window to capture all events of the specified type.

window.clearInterval

Cancels the repeated execution set using setInterval.

window.clearTimeout

Clears a delay that's been set for a specific function.

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.find

Searches for a given string in a window.

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.getComputedStyle

Gets computed style for the specified element. Computed style indicates the computed values of all CSS properties of the element.

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.openDialog

Opens a new dialog window.

window.print

Opens the Print Dialog to print the current document.

window.prompt

Returns the text entered by the user in a prompt dialog.

window.releaseEvents Template:obsolete inline

Releases the window from trapping events of a specific type.

window.removeEventListener

Removes an event listener from the window.

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.setInterval

Execute a function each X milliseconds.

window.setTimeout

Sets a delay for executing a function.

window.showModalDialog New in Firefox 3

Displays a modal dialog.

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

Updates the state of commands of the current chrome window (UI).

[编辑] 事件处理函数

window.onabort

window 的 abort 事件的事件处理函数。

window.onbeforeunload

window 的 before-unload 事件的事件处理函数。

window.onblur

window 的 blur 事件的事件处理函数。

window.onchange

window 的 change 事件的事件处理函数。

window.onclick

window 的 click 事件的事件处理函数。

window.onclose

window 的 close 事件的事件处理函数。

window.oncontextmenu

window 的 right-click 事件的事件处理函数。

window.ondragdrop

window 拖放事件的事件处理函数。

window.onerror

window 在发生错误时调用的事件处理函数。

window.onfocus

window 的 focus 事件的事件处理函数。

window.onkeydown

window 的 keydown 事件的事件处理函数。

window.onkeypress

window 的 keypress 事件的事件处理函数。

window.onkeyup

window 的 keyup 事件的事件处理函数。

window.onload

window 载入后触发的事件处理函数。

window.onmousedown

window 的 mousedown 事件的事件处理函数。

window.onmousemove

window 的 mousemove 事件的事件处理函数。

window.onmouseout

window 的 mouseout 事件的事件处理函数。

window.onmouseover

window 的 mouseover 事件的事件处理函数。

window.onmouseup

window 的 mouseup 事件的事件处理函数。

window.onpaint

window 的 paint 事件的事件处理函数。

window.onreset

window 的 reset 事件的事件处理函数。

window.onresize

window 大小改变时触发的事件处理函数。

window.onscroll

window 滚动条滚动时触发的事件处理函数。

window.onselect

An event handler property for window selection.

window.onsubmit

window 的表单提交时触发的事件处理函数。

window.onunload

window 的 unload 事件的事件处理函数。