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Window

현재 문서 내

Properties
Methods
Event handlers
Constructors
Interfaces
See also

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The window object represents a window containing a DOM document; the document property points to the DOM document loaded in that window. A window for a given document can be obtained using the document.defaultView property.

This section provides a brief reference for all of the methods, properties, and events available through the DOM window object. The window object implements the Window interface, which in turn inherits from the AbstractView interface. Some additional global functions, namespaces objects, interfaces, and constructors, not typically associated with the window, but available on it, are listed in the JavaScript Reference and DOM Reference.

In a tabbed browser, such as Firefox, each tab contains its own window object (and if you're writing an extension, the browser window itself is a separate window too - see Working with windows in chrome code for more information). That is, the window object is not shared between tabs in the same window. Some methods, namely window.resizeTo and window.resizeBy apply to the whole window and not to the specific tab the window object belongs to. Generally, anything that can't reasonably pertain to a tab pertains to the window instead.

Properties

This interface inherits properties from the EventTarget interface and implements properties from WindowTimers, WindowBase64, and WindowEventHandlers.

Note that properties which are objects (e.g.,. for overriding the prototype of built-in elements) are listed in a separate section below.

Window.applicationCache Read only: An OfflineResourceList object providing access to the offline resources for the window.
Window.closed Read only: This property indicates whether the current window is closed or not.
Window.Components: The entry point to many XPCOM features. Some properties, e.g. classes, are only available to sufficiently privileged code. Web code should not use this property.
Window.console Read only: Returns a reference to the console object providing access to the browser's debugging console.
Window.content and Window._content Read only: Returns a reference to the content element in the current window. The obsolete variant with underscore is no longer available from Web content.
Window.controllersRead only: Returns the XUL controller objects for the current chrome window.
Window.crypto Read only: Returns the browser crypto object.
Window.defaultStatus 안씀 Gecko 23: Gets/sets the status bar text for the given window.
Window.devicePixelRatio Read only: Returns the ratio between physical pixels and device independent pixels in the current display.
Window.dialogArguments Read only: Gets the arguments passed to the window (if it's a dialog box) at the time window.showModalDialog() was called. This is an nsIArray.
Window.directories: Synonym of window.personalbar
Window.document Read only: Returns a reference to the document that the window contains.
Window.frameElement Read only: Returns the element in which the window is embedded, or null if the window is not embedded.
Window.frames Read only: Returns an array of the subframes in the current window.
Window.fullScreen: This property indicates whether the window is displayed in full screen or not.
window.globalStorage 안씀 Gecko 13: Unsupported since Gecko 13 (Firefox 13). Use Window.localStorage instead.
Was: Multiple storage objects that are used for storing data across multiple pages.
Window.history Read only: 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 Read only: Returns the number of frames in the window. See also window.frames.
Window.location Read only: Gets/sets the location, or current URL, of the window object.
Window.locationbar Read only: Returns the locationbar object, whose visibility can be toggled in the window.
Window.localStorage Read only: Returns a reference to the local storage object used to store data that may only be accessed by the origin that created it.
Window.menubar Read only: Returns the menubar object, whose visibility can be toggled in the window.
Window.messageManager: Returns the message manager object for this window.
Window.mozAnimationStartTime Read only: The time in milliseconds since epoch at which the current animation cycle began.
Window.mozInnerScreenX Read only: Returns the horizontal (X) coordinate of the top-left corner of the window's viewport, in screen coordinates. This value is reported in CSS pixels. See mozScreenPixelsPerCSSPixel in nsIDOMWindowUtils for a conversion factor to adapt to screen pixels if needed.
Window.mozInnerScreenY Read only: Returns the vertical (Y) coordinate of the top-left corner of the window's viewport, in screen coordinates. This value is reported in CSS pixels. See mozScreenPixelsPerCSSPixel for a conversion factor to adapt to screen pixels if needed.
Window.mozPaintCount Read only: Returns the number of times the current document has been rendered to the screen in this window. This can be used to compute rendering performance.
Window.name: Gets/sets the name of the window.
Window.navigator Read only: Returns a reference to the navigator object.
Window.opener: Returns a reference to the window that opened this current window.
Window.outerHeight Read only: Gets the height of the outside of the browser window.
Window.outerWidth Read only: Gets the width of the outside of the browser window.
Window.pageXOffset Read only: An alias for window.scrollX.
Window.pageYOffsetRead only: An alias for window.scrollY
Window.sessionStorage Read only: Returns a reference to the session storage object used to store data that may only be accessed by the origin that created it.
SpeechSynthesisGetter.speechSynthesis Read only
Window.parent Read only: Returns a reference to the parent of the current window or subframe.
Window.performance Read only: Provides a hosting area for performance related attributes.
Window.personalbar Read only: Returns the personalbar object, whose visibility can be toggled in the window.
Window.pkcs11 안씀 Gecko 29: Formerly provided access to install and remove PKCS11 modules.
Window.returnValue: The return value to be returned to the function that called window.showModalDialog() to display the window as a modal dialog.
Window.screen Read only: Returns a reference to the screen object associated with the window.
Window.screenX Read only: Returns the horizontal distance of the left border of the user's browser from the left side of the screen.
Window.screenY Read only: Returns the vertical distance of the top border of the user's browser from the top side of the screen.
Window.scrollbars Read only: Returns the scrollbars object, whose visibility can be toggled in the window.
Window.scrollMaxXRead only: The maximum offset that the window can be scrolled to horizontally, that is the document width minus the viewport width.
Window.scrollMaxYRead only: The maximum offset that the window can be scrolled to vertically (i.e., the document height minus the viewport height).
Window.scrollX Read only: Returns the number of pixels that the document has already been scrolled horizontally.
Window.scrollY Read only: Returns the number of pixels that the document has already been scrolled vertically.
Window.self Read only: Returns an object reference to the window object itself.
Window.sessionStorage: Returns a storage object for storing data within a single page session.
Window.sidebar Read only: 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 Read only: Returns the statusbar object, whose visibility can be toggled in the window.
Window.toolbar Read only: Returns the toolbar object, whose visibility can be toggled in the window.
Window.top Read only: Returns a reference to the topmost window in the window hierarchy. This property is read only.
Window.window Read only: Returns a reference to the current window.
window[0], window[1], etc.: Returns a reference to the window object in the frames. See Window.frames for more details.

Methods

This interface inherits methods from the EventTarget interface and implements methods from WindowTimers, WindowBase64, and WindowEventHandlers.

EventTarget.addEventListener(): Register an event handler to a specific event type on the window.
Window.alert(): Displays an alert dialog.
WindowBase64.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.
WindowBase64.btoa(): Creates a base-64 encoded ASCII string from a string of binary data.
Window.captureEvents(): Registers the window to capture all events of the specified type.
Window.clearImmediate(): Cancels the repeated execution set using setImmediate.
WindowTimers.clearInterval(): Cancels the repeated execution set using WindowTimers.setInterval().
WindowTimers.clearTimeout(): Cancels the repeated execution set using WindowTimers.setTimeout().
Window.close(): Closes the current window.
Window.confirm(): Displays a dialog with a message that the user needs to respond to.
Window.disableExternalCapture() 안씀 Gecko 24: FIXME: NeedsContents
Window.dispatchEvent(): Used to trigger an event.
Window.dump(): Writes a message to the console.
Window.enableExternalCapture() 안씀 Gecko 24: FIXME: NeedsContents
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.getAttentionWithCycleCount(): FIXME: NeedsContents
Window.getComputedStyle(): Gets computed style for the specified element. Computed style indicates the computed values of all CSS properties of the element.
Window.getDefaulComputedStyle(): Gets default computed style for the specified element, ignoring author stylesheets.
Window.getSelection(): Returns the selection object representing the selected item(s).
Window.home(): Returns the browser to the home page.
Window.matchMedia(): Returns a MediaQueryList object representing the specified media query string.
Window.maximize(): FIXME: NeedsContents
Window.minimize() (top-level XUL windows only): Minimizes the window.
Window.moveBy(): Moves the current window by a specified amount.
Window.moveTo(): Moves the window to the specified coordinates.
Window.mozRequestAnimationFrame(): Tells the browser that an animation is in progress, requesting that the browser schedule a repaint of the window for the next animation frame. This will cause a MozBeforePaint event to fire before that repaint occurs.
Window.open(): Opens a new window.
Window.openDialog(): Opens a new dialog window.
Window.postMessage(): Provides a secure means for one window to send a string of data to another window, which need not be within the same domain as the first.
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(): 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.restore(): FIXME: NeedsContents
Window.routeEvent() 안씀 Gecko 24: FIXME: NeedsContents
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 for the current window
Window.setImmediate(): Executes a function after the browser has finished other heavy tasks
WindowTimers.setInterval(): Schedules the execution of a function each X milliseconds.
Window.setResizable: FIXME: NeedsContents
WindowTimers.setTimeout(): Sets a delay for executing a function.
Window.showModalDialog(): Displays a modal dialog.
Window.sizeToContent(): Sizes the window according to its content.
Window.stop(): This method stops window loading.
Window.updateCommands(): Updates the state of commands of the current chrome window (UI).

Event handlers

These are properties of the window object that can be set to establish event handlers for the various things that can happen in the window that might be of interest.

This interface inherits event handlers from the EventTarget interface and implements event handlers from WindowTimers, WindowBase64, and WindowEventHandlers.

Note: Starting in Gecko 9.0, you can now use the syntax if ("onabort" in window) to determine whether or not a given event handler property exists. This is because event handler interfaces have been updated to be proper web IDL interfaces. See DOM event handlers for details.

GlobalEventHandlers.onabort: An event handler property for abort events on the window.
WindowEventHandlers.onbeforeunload: An event handler property for before-unload events on the window.
GlobalEventHandlers.onblur: An event handler property for blur events on the window.
GlobalEventHandlers.onchange: An event handler property for change events on the window.
GlobalEventHandlers.onclick: An event handler property for click events on the window.
GlobalEventHandlers.onclose: An event handler property for handling the window close event.
GlobalEventHandlers.oncontextmenu: An event handler property for right-click events on the window.
Window.ondevicelight: An event handler property for any ambient light levels changes
Window.ondevicemotion: FIXME: NeedsContents
Window.ondeviceorientation: An event handler property for any device orientation changes
Window.ondeviceproximity: An event handler property for device proximity event
GlobalEventHandlers.onerror: An event handler property for error events raised on the window.
GlobalEventHandlers.onfocus: An event handler property for focus events on the window.
WindowEventHandlers.onhashchange: An event handler property for hash change events on the window; called when the part of the URL after the hash mark ("#") changes.
GlobalEventHandlers.onkeydown: An event handler property for keydown events on the window.
GlobalEventHandlers.onkeypress: An event handler property for keypress events on the window.
GlobalEventHandlers.onkeyup: An event handler property for keyup events on the window.
WindowEventHandlers.onlanguagechange: An event handler property for languagechange events on the window.
GlobalEventHandlers.onload: An event handler property for window loading.
GlobalEventHandlers.onmousedown: An event handler property for mousedown events on the window.
GlobalEventHandlers.onmousemove: An event handler property for mousemove events on the window.
GlobalEventHandlers.onmouseout: An event handler property for mouseout events on the window.
GlobalEventHandlers.onmouseover: An event handler property for mouseover events on the window.
GlobalEventHandlers.onmouseup: An event handler property for mouseup events on the window.
Window.onmozbeforepaint: An event handler property for the MozBeforePaint event, which is sent before repainting the window if the event has been requested by a call to the Window.mozRequestAnimationFrame() method.
WindowEventHandlers.onpageshow: An event handler property for pageshow events on the window.
WindowEventHandlers.onpagehide: An event handler property for pagehide events on the window.
Window.onpaint: An event handler property for paint events on the window.
WindowEventHandlers.onpopstate: An event handler property for popstate events, which are fired when navigating to a session history entry representing a state object.
GlobalEventHandlers.onreset: An event handler property for reset events on the window.
GlobalEventHandlers.onresize: An event handler property for window resizing.
GlobalEventHandlers.onscroll: An event handler property for window scrolling.
GlobalEventHandlers.onselect: An event handler property for window selection.
GlobalEventHandlers.onsubmit: An event handler property for submits on window forms.
Window.onunload: An event handler property for unload events on the window.
Window.onuserproximity: An event handler property for user proximity events

Constructors

Interfaces

See DOM Reference

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이 페이지의 공헌자: fscholz, jsx, teoli, pusanbear

최종 변경: fscholz, 2015. 2. 23. 오후 5:23:57