Window interface - WebIDLpedia

Definition

HTML Standard defines Window



[Global=Window,
 Exposed=Window,
 LegacyUnenumerableNamedProperties]
interface Window : EventTarget {
  // the current browsing context
  [LegacyUnforgeable] readonly attribute WindowProxy window;
  [Replaceable] readonly attribute WindowProxy self;
  [LegacyUnforgeable] readonly attribute Document document;
  attribute DOMString name;
  [PutForwards=href, LegacyUnforgeable] readonly attribute Location location;
  readonly attribute History history;
  readonly attribute Navigation navigation;
  readonly attribute CustomElementRegistry customElements;
  [Replaceable] readonly attribute BarProp locationbar;
  [Replaceable] readonly attribute BarProp menubar;
  [Replaceable] readonly attribute BarProp personalbar;
  [Replaceable] readonly attribute BarProp scrollbars;
  [Replaceable] readonly attribute BarProp statusbar;
  [Replaceable] readonly attribute BarProp toolbar;
  attribute DOMString status;
  undefined close();
  readonly attribute boolean closed;
  undefined stop();
  undefined focus();
  undefined blur();

  // other browsing contexts
  [Replaceable] readonly attribute WindowProxy frames;
  [Replaceable] readonly attribute unsigned long length;
  [LegacyUnforgeable] readonly attribute WindowProxy? top;
  attribute any opener;
  [Replaceable] readonly attribute WindowProxy? parent;
  readonly attribute Element? frameElement;
  WindowProxy? open(optional USVString url = "", optional DOMString target = "_blank", optional [LegacyNullToEmptyString] DOMString features = "");

  // Since this is the global object, the IDL named getter adds a NamedPropertiesObject exotic
  // object on the prototype chain. Indeed, this does not make the global object an exotic object.
  // Indexed access is taken care of by the WindowProxy exotic object.
  getter object (DOMString name);

  // the user agent
  readonly attribute Navigator navigator;
  [Replaceable] readonly attribute Navigator clientInformation; // legacy alias of .navigator
  readonly attribute boolean originAgentCluster;

  // user prompts
  undefined alert();
  undefined alert(DOMString message);
  boolean confirm(optional DOMString message = "");
  DOMString? prompt(optional DOMString message = "", optional DOMString default = "");
  undefined print();

  undefined postMessage(any message, USVString targetOrigin, optional sequence<object> transfer = []);
  undefined postMessage(any message, optional WindowPostMessageOptions options = {});

  // also has obsolete members
};
Window includes GlobalEventHandlers;
Window includes WindowEventHandlers;
Window includes WindowOrWorkerGlobalScope;
Window includes AnimationFrameProvider;
Window includes WindowSessionStorage;
Window includes WindowLocalStorage;

partial interface Window {
  undefined captureEvents();
  undefined releaseEvents();

  [Replaceable, SameObject] readonly attribute External external;
};

This interface is extended in the following specifications:

Compatibility Standard

partial interface Window {
    readonly attribute short orientation;
    attribute EventHandler onorientationchange;
};

DOM Standard



partial interface Window {
  [Replaceable] readonly attribute (Event or undefined) event; // legacy
};

Iframe credentialless



partial interface Window {
  readonly attribute boolean credentialless;
};

Cookie Store API



[SecureContext]
partial interface Window {
  [SameObject] readonly attribute CookieStore cookieStore;
};

Digital Goods API

partial interface Window {
  [SecureContext] Promise<DigitalGoodsService> getDigitalGoodsService(
      DOMString serviceProvider);
};

Document Picture-in-Picture Specification

[Exposed=Window]
partial interface Window {
  [SameObject, SecureContext] readonly attribute DocumentPictureInPicture
    documentPictureInPicture;
};

Fenced Frame



partial interface Window {
  // Collection of fenced frame APIs
  readonly attribute Fence? fence;
};

File System Access



[SecureContext]
partial interface Window {
    Promise<sequence<FileSystemFileHandle>> showOpenFilePicker(optional OpenFilePickerOptions options = {});
    Promise<FileSystemFileHandle> showSaveFilePicker(optional SaveFilePickerOptions options = {});
    Promise<FileSystemDirectoryHandle> showDirectoryPicker(optional DirectoryPickerOptions options = {});
};

Local Font Access API

[SecureContext]
partial interface Window {
  Promise<sequence<FontData>> queryLocalFonts(optional QueryOptions options = {});
};

Manifest Incubations



partial interface Window {
  attribute EventHandler onappinstalled;
  attribute EventHandler onbeforeinstallprompt;
};

Portals



partial interface Window {
    readonly attribute PortalHost? portalHost;
};

Shared Storage API



partial interface Window {
  [SecureContext] readonly attribute WindowSharedStorage? sharedStorage;
};

Web Speech API



partial interface Window {
    [SameObject] readonly attribute SpeechSynthesis speechSynthesis;
};

Web App Launch Handler API



partial interface Window {
  readonly attribute LaunchQueue launchQueue;
};

CSS Spatial Navigation Level 1



partial interface Window {
    undefined navigate(SpatialNavigationDirection dir);
};

CSS Object Model (CSSOM)



partial interface Window {
  [NewObject] CSSStyleDeclaration getComputedStyle(Element elt, optional CSSOMString? pseudoElt);
};

CSSOM View Module



partial interface Window {
    [NewObject] MediaQueryList matchMedia(CSSOMString query);
    [SameObject, Replaceable] readonly attribute Screen screen;
    [SameObject, Replaceable] readonly attribute VisualViewport? visualViewport;

    // browsing context
    undefined moveTo(long x, long y);
    undefined moveBy(long x, long y);
    undefined resizeTo(long width, long height);
    undefined resizeBy(long x, long y);

    // viewport
    [Replaceable] readonly attribute long innerWidth;
    [Replaceable] readonly attribute long innerHeight;

    // viewport scrolling
    [Replaceable] readonly attribute double scrollX;
    [Replaceable] readonly attribute double pageXOffset;
    [Replaceable] readonly attribute double scrollY;
    [Replaceable] readonly attribute double pageYOffset;
    undefined scroll(optional ScrollToOptions options = {});
    undefined scroll(unrestricted double x, unrestricted double y);
    undefined scrollTo(optional ScrollToOptions options = {});
    undefined scrollTo(unrestricted double x, unrestricted double y);
    undefined scrollBy(optional ScrollToOptions options = {});
    undefined scrollBy(unrestricted double x, unrestricted double y);

    // client
    [Replaceable] readonly attribute long screenX;
    [Replaceable] readonly attribute long screenLeft;
    [Replaceable] readonly attribute long screenY;
    [Replaceable] readonly attribute long screenTop;
    [Replaceable] readonly attribute long outerWidth;
    [Replaceable] readonly attribute long outerHeight;
    [Replaceable] readonly attribute double devicePixelRatio;
};

DeviceOrientation Event Specification

partial interface Window {
    [SecureContext] attribute EventHandler ondeviceorientation;
};

partial interface Window {
    [SecureContext] attribute EventHandler ondeviceorientationabsolute;
};

partial interface Window {
    [SecureContext] attribute EventHandler ondevicemotion;
};

requestIdleCallback()

partial interface Window {
  unsigned long requestIdleCallback(IdleRequestCallback callback, optional IdleRequestOptions options = {});
  undefined cancelIdleCallback(unsigned long handle);
};

Selection API



partial interface Window {
  Selection? getSelection();
};

Window Management



partial interface Window {
  [SecureContext]
  Promise<ScreenDetails> getScreenDetails();
};

Consolidated IDL (across mixin and partials)



[Global=Window,
 Exposed=Window,
 LegacyUnenumerableNamedProperties]
interface Window : EventTarget {
  // the current browsing context
  [LegacyUnforgeable] readonly attribute WindowProxy window;
  [Replaceable] readonly attribute WindowProxy self;
  [LegacyUnforgeable] readonly attribute Document document;
  attribute DOMString name;
  [PutForwards=href, LegacyUnforgeable] readonly attribute Location location;
  readonly attribute History history;
  readonly attribute Navigation navigation;
  readonly attribute CustomElementRegistry customElements;
  [Replaceable] readonly attribute BarProp locationbar;
  [Replaceable] readonly attribute BarProp menubar;
  [Replaceable] readonly attribute BarProp personalbar;
  [Replaceable] readonly attribute BarProp scrollbars;
  [Replaceable] readonly attribute BarProp statusbar;
  [Replaceable] readonly attribute BarProp toolbar;
  attribute DOMString status;
  undefined close();
  readonly attribute boolean closed;
  undefined stop();
  undefined focus();
  undefined blur();

  // other browsing contexts
  [Replaceable] readonly attribute WindowProxy frames;
  [Replaceable] readonly attribute unsigned long length;
  [LegacyUnforgeable] readonly attribute WindowProxy? top;
  attribute any opener;
  [Replaceable] readonly attribute WindowProxy? parent;
  readonly attribute Element? frameElement;
  WindowProxy? open(optional USVString url = "", optional DOMString target = "_blank", optional [LegacyNullToEmptyString] DOMString features = "");

  // Since this is the global object, the IDL named getter adds a NamedPropertiesObject exotic
  // object on the prototype chain. Indeed, this does not make the global object an exotic object.
  // Indexed access is taken care of by the WindowProxy exotic object.
  getter object (DOMString name);

  // the user agent
  readonly attribute Navigator navigator;
  [Replaceable] readonly attribute Navigator clientInformation; // legacy alias of .navigator
  readonly attribute boolean originAgentCluster;

  // user prompts
  undefined alert();
  undefined alert(DOMString message);
  boolean confirm(optional DOMString message = "");
  DOMString? prompt(optional DOMString message = "", optional DOMString default = "");
  undefined print();

  undefined postMessage(any message, USVString targetOrigin, optional sequence<object> transfer = []);
  undefined postMessage(any message, optional WindowPostMessageOptions options = {});
  undefined captureEvents();
  undefined releaseEvents();

  [Replaceable, SameObject] readonly attribute External external;
  attribute EventHandler onabort;
  attribute EventHandler onauxclick;
  attribute EventHandler onbeforeinput;
  attribute EventHandler onbeforematch;
  attribute EventHandler onbeforetoggle;
  attribute EventHandler onblur;
  attribute EventHandler oncancel;
  attribute EventHandler oncanplay;
  attribute EventHandler oncanplaythrough;
  attribute EventHandler onchange;
  attribute EventHandler onclick;
  attribute EventHandler onclose;
  attribute EventHandler oncontextlost;
  attribute EventHandler oncontextmenu;
  attribute EventHandler oncontextrestored;
  attribute EventHandler oncopy;
  attribute EventHandler oncuechange;
  attribute EventHandler oncut;
  attribute EventHandler ondblclick;
  attribute EventHandler ondrag;
  attribute EventHandler ondragend;
  attribute EventHandler ondragenter;
  attribute EventHandler ondragleave;
  attribute EventHandler ondragover;
  attribute EventHandler ondragstart;
  attribute EventHandler ondrop;
  attribute EventHandler ondurationchange;
  attribute EventHandler onemptied;
  attribute EventHandler onended;
  attribute OnErrorEventHandler onerror;
  attribute EventHandler onfocus;
  attribute EventHandler onformdata;
  attribute EventHandler oninput;
  attribute EventHandler oninvalid;
  attribute EventHandler onkeydown;
  attribute EventHandler onkeypress;
  attribute EventHandler onkeyup;
  attribute EventHandler onload;
  attribute EventHandler onloadeddata;
  attribute EventHandler onloadedmetadata;
  attribute EventHandler onloadstart;
  attribute EventHandler onmousedown;
  [LegacyLenientThis] attribute EventHandler onmouseenter;
  [LegacyLenientThis] attribute EventHandler onmouseleave;
  attribute EventHandler onmousemove;
  attribute EventHandler onmouseout;
  attribute EventHandler onmouseover;
  attribute EventHandler onmouseup;
  attribute EventHandler onpaste;
  attribute EventHandler onpause;
  attribute EventHandler onplay;
  attribute EventHandler onplaying;
  attribute EventHandler onprogress;
  attribute EventHandler onratechange;
  attribute EventHandler onreset;
  attribute EventHandler onresize;
  attribute EventHandler onscroll;
  attribute EventHandler onscrollend;
  attribute EventHandler onsecuritypolicyviolation;
  attribute EventHandler onseeked;
  attribute EventHandler onseeking;
  attribute EventHandler onselect;
  attribute EventHandler onslotchange;
  attribute EventHandler onstalled;
  attribute EventHandler onsubmit;
  attribute EventHandler onsuspend;
  attribute EventHandler ontimeupdate;
  attribute EventHandler ontoggle;
  attribute EventHandler onvolumechange;
  attribute EventHandler onwaiting;
  attribute EventHandler onwebkitanimationend;
  attribute EventHandler onwebkitanimationiteration;
  attribute EventHandler onwebkitanimationstart;
  attribute EventHandler onwebkittransitionend;
  attribute EventHandler onwheel;
  attribute EventHandler onafterprint;
  attribute EventHandler onbeforeprint;
  attribute OnBeforeUnloadEventHandler onbeforeunload;
  attribute EventHandler onhashchange;
  attribute EventHandler onlanguagechange;
  attribute EventHandler onmessage;
  attribute EventHandler onmessageerror;
  attribute EventHandler onoffline;
  attribute EventHandler ononline;
  attribute EventHandler onpagehide;
  attribute EventHandler onpagereveal;
  attribute EventHandler onpageshow;
  attribute EventHandler onpageswap;
  attribute EventHandler onpopstate;
  attribute EventHandler onrejectionhandled;
  attribute EventHandler onstorage;
  attribute EventHandler onunhandledrejection;
  attribute EventHandler onunload;
  [Replaceable] readonly attribute USVString origin;
  readonly attribute boolean isSecureContext;
  readonly attribute boolean crossOriginIsolated;

  undefined reportError(any e);

  // base64 utility methods
  DOMString btoa(DOMString data);
  ByteString atob(DOMString data);

  // timers
  long setTimeout(TimerHandler handler, optional long timeout = 0, any... arguments);
  undefined clearTimeout(optional long id = 0);
  long setInterval(TimerHandler handler, optional long timeout = 0, any... arguments);
  undefined clearInterval(optional long id = 0);

  // microtask queuing
  undefined queueMicrotask(VoidFunction callback);

  // ImageBitmap
  Promise<ImageBitmap> createImageBitmap(ImageBitmapSource image, optional ImageBitmapOptions options = {});
  Promise<ImageBitmap> createImageBitmap(ImageBitmapSource image, long sx, long sy, long sw, long sh, optional ImageBitmapOptions options = {});

  // structured cloning
  any structuredClone(any value, optional StructuredSerializeOptions options = {});
  unsigned long requestAnimationFrame(FrameRequestCallback callback);
  undefined cancelAnimationFrame(unsigned long handle);
  readonly attribute Storage sessionStorage;
  readonly attribute Storage localStorage;
    readonly attribute short orientation;
    attribute EventHandler onorientationchange;
  [Replaceable] readonly attribute (Event or undefined) event;
  readonly attribute boolean credentialless;
  [SameObject] readonly attribute CookieStore cookieStore;
  [SecureContext] Promise<DigitalGoodsService> getDigitalGoodsService(
      DOMString serviceProvider);
  [SameObject, SecureContext] readonly attribute DocumentPictureInPicture
    documentPictureInPicture;
  // Collection of fenced frame APIs
  readonly attribute Fence? fence;
    Promise<sequence<FileSystemFileHandle>> showOpenFilePicker(optional OpenFilePickerOptions options = {});
    Promise<FileSystemFileHandle> showSaveFilePicker(optional SaveFilePickerOptions options = {});
    Promise<FileSystemDirectoryHandle> showDirectoryPicker(optional DirectoryPickerOptions options = {});
  Promise<sequence<FontData>> queryLocalFonts(optional QueryOptions options = {});
  attribute EventHandler onappinstalled;
  attribute EventHandler onbeforeinstallprompt;
    readonly attribute PortalHost? portalHost;
  [SecureContext] readonly attribute WindowSharedStorage? sharedStorage;
    [SameObject] readonly attribute SpeechSynthesis speechSynthesis;
  readonly attribute LaunchQueue launchQueue;
    undefined navigate(SpatialNavigationDirection dir);
  [NewObject] CSSStyleDeclaration getComputedStyle(Element elt, optional CSSOMString? pseudoElt);
    [NewObject] MediaQueryList matchMedia(CSSOMString query);
    [SameObject, Replaceable] readonly attribute Screen screen;
    [SameObject, Replaceable] readonly attribute VisualViewport? visualViewport;

    // browsing context
    undefined moveTo(long x, long y);
    undefined moveBy(long x, long y);
    undefined resizeTo(long width, long height);
    undefined resizeBy(long x, long y);

    // viewport
    [Replaceable] readonly attribute long innerWidth;
    [Replaceable] readonly attribute long innerHeight;

    // viewport scrolling
    [Replaceable] readonly attribute double scrollX;
    [Replaceable] readonly attribute double pageXOffset;
    [Replaceable] readonly attribute double scrollY;
    [Replaceable] readonly attribute double pageYOffset;
    undefined scroll(optional ScrollToOptions options = {});
    undefined scroll(unrestricted double x, unrestricted double y);
    undefined scrollTo(optional ScrollToOptions options = {});
    undefined scrollTo(unrestricted double x, unrestricted double y);
    undefined scrollBy(optional ScrollToOptions options = {});
    undefined scrollBy(unrestricted double x, unrestricted double y);

    // client
    [Replaceable] readonly attribute long screenX;
    [Replaceable] readonly attribute long screenLeft;
    [Replaceable] readonly attribute long screenY;
    [Replaceable] readonly attribute long screenTop;
    [Replaceable] readonly attribute long outerWidth;
    [Replaceable] readonly attribute long outerHeight;
    [Replaceable] readonly attribute double devicePixelRatio;
    [SecureContext] attribute EventHandler ondeviceorientation;
    [SecureContext] attribute EventHandler ondeviceorientationabsolute;
    [SecureContext] attribute EventHandler ondevicemotion;
  unsigned long requestIdleCallback(IdleRequestCallback callback, optional IdleRequestOptions options = {});
  undefined cancelIdleCallback(unsigned long handle);
  Selection? getSelection();
  [SecureContext]
  Promise<ScreenDetails> getScreenDetails();

  // also has obsolete members
};

Methods and attributes that return objects implementing `Window`

Referring IDL interfaces/dictionaries

Referring specifications

Compatibility Standard refers to Window
DOM Standard refers to Window
SVG Animations refers to Window
Long Animation Frames API refers to Window
Iframe credentialless refers to Window
Cookie Store API refers to Window
Digital Goods API refers to Window
Document Picture-in-Picture Specification refers to Window
Fenced Frame refers to Window
File System Access refers to Window
Local Font Access API refers to Window
Manifest Incubations refers to Window
Portals refers to Window
Shared Storage API refers to Window
Web Speech API refers to Window
Web App Launch Handler API refers to Window
CSS Spatial Navigation Level 1 refers to Window
CSS Object Model (CSSOM) refers to Window
CSSOM View Module refers to Window
DeviceOrientation Event Specification refers to Window
requestIdleCallback() refers to Window
Selection API refers to Window
UI Events refers to Window
Window Management refers to Window

Definition

Methods and attributes that return objects implementing Window

Referring IDL interfaces/dictionaries

Referring specifications

Methods and attributes that return objects implementing `Window`